98ci for 1999-2006 Models, 107ci for 2007-Present Models. Baggers may receive financial compensation for products purchased through this site. If you’re riding a 2010-or-earlier Harley-Davidson big twin, it was more than likely sold with the then-standard displacement of 96 cubic inches, or even earlier models with 88 inches. Kit only price $1199.95 Installed kit price $3050.99 This model was named for the two chain-driven cams it contains. A Bonnier Corporation Company. [49] We installed the rocker support assemblies onto each cylinder head including the new breather units. Having your local dealer perform the swap makes it very convenient as well. The O-rings are included in every kit. There is always that restlessness for something more. ©2021 H-D or its affiliates. The oil cooler features a controlled fan that provides a continuous flow of cooling air, thus helping your engines cool down and reduce the wearing of the plastic shoes. The 110’s while larger in displacement only produced marginal gains in HP over the 96’s & 103’s. [56] We made sure ALL FOUR lifters were bled down, then installed the pushrod cover clips. [10] The cam support plate was then installed over the two camshafts. This is an engine combination that many Harley shops do not want you to know about. Harley-Davidson’s official performance product line known as Screamin’ Eagle continues to expand as customer feedback tells the Motor Company what riders want for their street machines. The heart of this upgrade is a set of CycleRama (727-546-0889) CNC Ported heads. [67] We re-installed the seat and tightened that bolt. [62] We plugged in the throttle body control cable. [19] On went the cam cover and hardware, which was then tightened to factory specifications. Your engine retains its original Vehicle Identification Number (VIN) for easy title exchange and registration. Don’t be sad. The crankcase is pre-assembled with flywheels, connecting rods, bearings, seals, cylinders, pistons, rings, heads, valves, valve springs, tappets and pushrod covers. *Displacement upgrades are available for vehicles previously equipped with street compliant big bore kits only. To begin with, all sizes of the Twin-Cam engine, 88, 96 and 103 ci can be rebuilt to 103 and even up to 107ci. The black plastic devices are installed on the camshafts prior to installing the cam plate to prevent damage or scratches to the bearing races. [48] New and improved breather assemblies were included in the gasket set with the 103 kit. [8] The new cams were checked in the case for proper/adequate clearance. Generally, twin-cam 88 Harley Davidson engines feature higher horsepower, overhead valves powered by pushrods, as well as counterbalancing features that reduce engine vibration. The unit came with everything Matt needed to swap out his stock setup, including the throttle body and new flanges and gaskets. It’s easy to convert your 96 inches or less into a 103ci machine when using a Screamin’ Eagle street-legal kit to do so. ... Just take your Harley motorcycle to your authorized dealership. And the same is true for your 96" Twin-Cam as well. Harley-Davidson’s new 2019 Electra Glide Standard delivers a true base model with plenty of touring chops but also a raw canvas that’s priced right. Kit includes big bore pistons, cams, exchange cylinders, and all gaskets. Old on top, new on the bottom. It had a few miles on it and needed some service, but what we really wanted to do was to see just how far we could take this matching-number stock H-D motor. Take this 2005 88-inch H-D Twin Cam motor for instance. Harley-Davidson stated that this could get fixed with regular braking fluid flushes and replacing the fluid every two years. [64] We re-installed the air cleaner cover. Harley Cooling is an effective way to help your twin cam engine. [9] The new cams were chained up with the timing marks located properly. [5] Both inner cam bearing were replaced with the full complement components and the cam case inspected for cracks or other damage. They will remove the engine from the frame, ship the left crankcase half to Harley-Davidson, and in a short time, you will have a new LongBlock back, ready for the dealer to reinstall in your bike. This is roughly an additional 3% on top of the standard overbore conversion described below. Financing Offer available only on new Harley‑Davidson ® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Third-party trademarks are the property of their respective owners. [27] We installed a new O-ring on the bottom of each 103 cylinder. Kit includes big bore pistons, cams, exchange cylinders, and all gaskets. Looking for more power? [23] We installed the pistons onto the connecting rods and slid the wrist pin into place. It says 96, but we knew it was 103. We squirted a copious amount of oil on all the metal surfaces of the cams and plate assembly prior to installation. You don’t even need to get your hands dirty. Bikes originally equipped with Twin Cam 88 engines can upgrade to 95 or 103CI displacement, and Twin Cam 96-equipped models can be repowered with 103 or 110CI engines, based on specific model fitment. The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. The cam support plate would be stripped. I talked with a couple shops about my rebuild project and discovered that I knew embarrassingly little about the breadth of options for rebuilding a Harley V-twin. We contacted S&S Cycle, and after much discussion the team agreed to send us one of their 124-inch Hot Set Up kits to install. [68] This Road King was ready for the road. [11] We installed a new O-ring on the oil pump appendage as shown. The arrow on the top of the piston should be pointing forward. Our most popular Twin Cam kits! Checking and servicing your bike’s air cleaner is an important and extremely easy task, and one you should perform regularly. [45] We installed new internal O-rings where required in all four of the pushrod tubes. Bikes originally equipped with Twin Cam 88 engines can upgrade to 95 or 103CI displacement, and Twin Cam 96-equipped models can be repowered with 103 or 110CI engines, based on specific model fitment. Find many great new & used options and get the best deals for Harley Davidson TwinCam 88/96 & 103, Brand New, Free shipping in the US at the best online prices at … We will be adding more & more Harley charts as well as Metric & Euro charts as we go from the 2000+ bikes we have tuned over the past 2 decades. The Twin Cam 88B engine was a counter-balanced Twin Cam 88 motor that was designed to fit Harley-Davidson Softail models. [41] We installed new rocker box gaskets front and rear. [43] Using an inch-pound torque wrench, we tightened all the lower rocker box hardware to factory torque specifications. [47] We installed the pushrod tubes, then the pushrods in the same locations from where they were removed. [57] We installed and tightened the rear exhaust mount equipment. Don’t be sad. Here are our top picks. [18] The outer hydraulic chain tensioner must be installed at this time. A more extreme cam can also make your bike run in a way that's not optimal for your type of riding. Don’t forget any! Plenty of clearance here. While many Harley owners would consider themselves fortunate to pick up one of these, Limited Edition 110’s, luck was not on their side. Spacers are available from Harley-Davidson to provide adjustment. However, if plans are to swap the exhaust for something more free flowing along with the air intake, ie Stage 1, the performance of the 96" would probably equal a stock 103". By submitting above, you agree to our privacy policy. Upgrades require model-specific ECM recalibration (sold separately). The Twin Cam was the second engine from Harley-Davidson to use two cams to drive the valvetrain, the first being the JDH racing model introduced in 1928. [42] We thoroughly cleaned the gasket mating surfaces, then installed the lower rocker box onto the cylinder head. These kits started as 95 inch kits many years ago to upgrade the stock 88 cubic inch engine. This video shows how. This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. The Twin Cam 88 was released for the 1999 model year in September 1998. Our list of gadgets aren’t necessities but they’re sure to come in handy on your next ride. This kit can increase power 35% depending on exhaust system. The plate is designed with stainless steel banjo bolts for the oil feed, return & vent lines to clear the transmission. Note the green O-ring in position on the rear drain. In total, Harley-Davidson recalled about 250,000 models. [52] The rocker support was installed. There is always that restlessness for something more. Bolt-On Big Bore Kits - Only $530! The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. [63] We re-installed the top front motor mount (heim joint) and coil-coil bracket. It just depends on how fast you have to go. Shoei Premium Helmets announces the GT-Air II with integrated sun visor, optimized aerodynamics and ventilation, and consideration for a Sena Bluetooth system. [55] We plugged in both exhaust pipe O2 sensors. [17] The sprockets were perfectly aligned, so the drive chain was installed, and the locking tool positioned to prevent movement while tightening the sprocket hardware. Performance and looks. Harley-Davidson. Sign up to receive our email newsletter and never miss an update! The tools hold the cam plate and oil pump in position during the hardware tightening sequence. [26] The pistons were installed waiting for their respective cylinders. Unlike an engine rebuild from the repair shop down the street, the Harley-Davidson LongBlock is manufactured from 100% new Original Equipment components, and is built to the latest factory specifications. Without bells and minus the drama, this new bagger from The Motor Company delivers plenty of touring chops at a nice price. [59] We installed new rocker cover gaskets front and rear. For even more torque and power with your stock cylinders, let us bore them all the way to 3.938", which gives either 98 or 107ci depending on the year of your bike. With the Harley-Davidson® LongBlock program. You can choose silver or black- highlighted engines to match your styling direction. [61] After ensuring the lifters had bled down, we installed the pushrod cover clips. You can convert you Twin-Cam 88 to 95 Cubic Inches, or even to 103", 106", 110" or 116". Just did SE 6speed into my 06 RK,also did the 95" upgrade.It's a great combo,completely changed the motorcycle.If you like to cruise at 75 mph on your 88", you're gonna love it even more.I got good low end torque and can twist the right hand at 75 and be gone.Doing the 6speed and not beefing up the motor will dissapoint you.The extra motor work … You can convert you Twin-Cam 88 to 95 Cubic Inches, or even to 103", 106", 110" or 116". Note the upgraded breathers. The STD denotes standard bore for 103 pistons. Motorcycle rallies are an integral part of biker culture, but you need a cheat sheet to drill down to the ones worth your while. The most popular sector of this still growing market is the Twin Cam 88/96 based engines with the EVO still holding its own. HARLEY-DAVIDSON, HARLEY, H-D, and the Bar and Shield Logo are among the trademarks of H-D U.S.A., LLC. Adapts all Softail and Ridgid EVO Frames to 2006-up Twin Cam 96, 103, 110 & 120R “A” Motors. 98ci for 1999-2006 Models, 107ci for 2007-Present Models. For even more torque and power with your stock cylinders, let us bore them all the way to 3.938", which gives either 98 or 107ci depending on the year of your bike. Founded in 1903, the bike maker has forged ahead with all types of cruising and performance machines, to the delight of its owners and fans. Below you will find an assortment of sample dyno charts for various Harley combinations, this is a work in progress. It just depends on how fast you have to go. Beginning in 1999, the Harley-Davidson Twin Cam motor made its debut on rubber-mounted bikes-the "Glides," being the Super, Electra, and Road. B. We tick off our picks for the most scenic, interesting, and memorable events across the country you can attend on two wheels, Helmet manufacturer updates its top-of-the-line touring helmet, How and when to inspect and replace your 2019 Touring model’s air cleaner, Our book list offers two-wheeled tales of action, adventure, and more, These cool little doodads are sure to make every ride just a little bit easier. [1] After securing the motorcycle to a lift, we disconnected the battery for safety. This adapter plate is specially made for the FXR & 1980-1998 Rubber Mount Touring Models Drivetrain. 1978 Strokershovel Lowrider 100 inches. Copyright © 2021 Baggers. We marked them, didn’t we? Who would believe a TC95 could make over 120 horsepower. [15] We installed the cam plate centering tools (red arrows), then installed and tightened the cam plate hardware. [34] Both cylinders were in position. [14] We slid the cam plates and new cams into place in the cam case. If you’re riding a 2010-or-earlier Harley-Davidson big twin, it was more than likely sold with the then-standard displacement of 96 cubic inches, or even earlier models with 88 inches. … The green tape was holding the flanges in place. A cam upgrade on your Harley will likely void your warranty Bolt-On Big Bore Kits - Only $530! ’07-’13 103CI and 110CI engines feature factory-installed Automatic Compression Releases. [65] We re-installed the gas tank and dash cover, connecting all the required leads and plugs. And the same is true for your 96" Twin-Cam as well. Bump the early Twin Cam from 88ci to 100ci as well as adding matched cams/cam plate/oil pump and everything else a high performance cam chest needs to reliably make big power. 1974 Suzuki GT750 Lemans (Water Buffalo) [12] We carefully reinstalled the georotor oil pump into position in the cam case. Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. Matt also got some of HPI’s 5.3gps high-flow injectors (MSRP $180). Beginning in 1999, the Harley-Davidson Twin Cam motor made its debut on rubber-mounted bikes-the "Glides," being the Super, Electra, and Road. [24] Before installing the wrist pin keepers, we made sure the pistons were oriented correctly. [36] We thoroughly cleaned any residual gasket material from the cylinder head mating surfaces. Here are a few of our picks, geared mostly toward Harleys. [51] We re-installed the exhaust system at this time. [39] We installed the cylinder head bolts into all the holes. Owners of Harley-Davidson® motorcycles are hardly ever satisfied with the performance of their bikes as they roll off the showroom floor. We see the whole range of this market on a daily basis here at GMS. [6] Back to the cam support plate. Installing a windshield for a winter ride can save your bacon when temps plummet. Twin Cam 88, 95, 96, 103 and 110 CID engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. When the miles start to add up, a Harley-Davidson LongBlock can put the rumble back in your ride simply, quickly, and affordably. Call our service department today (516-489-0770) and discuss your needs and let them suite you for the ride of your life! [37] We did the same on all the gasket surfaces of the rocker boxes. AMA EnduroCross Series, August 25-November 3, Roland Sands Custom Harley-Davidson Road Glide Performance Bagger, A First Ride On Harley’s Stripped-Down Tourer, The 2019 Electra Glide Standard, Quick-Detach Windshields For Harley-Davidson Motorcycles, 2019 Milwaukee-Eight 114 Air Cleaner Inspection And Replacement. All rights reserved. Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. Just take your Harley motorcycle to your authorized dealership. Pushrods not needed or included in this kit. [66] We reconnected the positive terminal of the battery. Engine includes upgraded Screamin’ Eagle® lefty crankcase bearing, Screamin’ Eagle cam bearings and Screamin’ Eagle performance tappets to handle higher stress loads and performance upgrades. Kit only price $1199.95 Installed kit price $3050.99 [13] We instaledl the inner cam chain tensioner onto the cam plate. Perhaps the cheapest and easiest mod you can make to your ride is swapping out the stock pipes with a set of aftermarket mufflers. [7] These cams would replace the stock 96-inch cam shafts. [32] Before sliding the cylinder all the way down on the motor cases, we installed new O-rings on the oil drain tubes. Twin Cam 88, 95, 96, 103 and 110 CID engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. The engine was made and used on many different Harley Davidson bikes from 1999 to 2006. The LongBlock also includes cam support plate, cam plate bearings, cam and timing chain drive, hydraulic tensioners and all required gaskets and new hardware. The hydraulic cam chain tensioners were removed for the cam replacement procedure. [46] New O-rings are also required at the top of the push rod tube where it seats in the cylinder head. CP Pistons Harley Davidson Twin Cam 88 Cubic Inch … The crosshatch was visible on the front cylinder. [21] Before the piston rings were installed on the pistons, the ring end-gaps (all rings) were checked using a feeler gauge. Each part number listed is for 1 piston, 1 piston pin, 1 cylinders worth of piston rings and 1 set of pin locks. [25] We installed the wrist pins using the easy-to-manage wrist pin tool rather than a screwdriver. But, because this poses a significant risk to riders, Harley-Davidson decided to recall these motorcycles. A more extreme cam can also make your bike run in a way that's not optimal for your type of riding. Call our service department today (516-489-0770) and discuss your needs and let them suite you for the ride of your life! 107 Upgrade Kit are the hottest thing going for your Harley engine. To begin with, all sizes of the Twin-Cam engine, 88, 96 and 103 ci can be rebuilt to 103 and even up to 107ci. Please note: You will need to order a quantity of 2 of the part number piston you select to replace both of your existing pistons with these CP Pistons unless you are just doing a replacement of 1 cylinders existing CP Piston. This is roughly an additional 3% on top of the standard overbore conversion described below. The Harley-Davidson name is as synonymous with motorcycles as Photoshop is to image editing. Owners of Harley-Davidson® motorcycles are hardly ever satisfied with the performance of their bikes as they roll off the showroom floor. Your engine is the heart and soul of your Harley-Davidson® motorcycle. The larger 103 displacement requires more air, therefore cam profiles designed to provide better breathing were in order. Our selection of the best cam for the twin cam 88 Harley Davidson model comes with various unimaginable features that beat existing models. Motor Adapter Plate includes: Hardware Oil line Fittings Unlike the Evolution motor of the 1980s, or the Shovelhead, or the Panhead, the Twin Cam shared almost no parts or specifications with the original Harley OHV motor of the 1930s, the Knucklehead. The Harley Davidson Twin Cam 103 engine has 1688 cc (103 cubic inches) of displacement producing 72.8 horsepower @ 5500 rpm and 84.4 ft lbs of torque @ 4250 rpm. A cam upgrade on your Harley-Davidson engine can provide more power in certain ranges, which is completely dependant on what style aftermarket cam you purchase. Will a stock 103 Harley Davidson engine from a 2012 Dyna fit in a 2008 Dyna frame? I have an 88" 2006 carb Stage 1 Street Glide and ride 100% solo. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers.1996 FXDS-CONV S&S E.Screaming Eagle ignition,V&H Short shots. [29] We clamped the ring compressor in position over each piston as shown. [22] We installed the rings in their correct ring lands on the piston. All the cam plate hardware was installed at this time. [50] We tightened the hardware holding the rocker blocks in place. ... looking to swap … If you’re looking to convert your 96-inch Twin Cam to 103 cubic inches, one of the best places to have that done is your local Harley-Davidson dealer. [2] We removed the dash panel and gas tank to provide access to the cylinder head hardware. You have the option to re-install your current cams and covers, or select from a wide assortment of performance and custom engine cover options. In addition, ’99-’06 LongBlocks are upgraded with late-model hydraulic cam tensioners, high-volume oil pump and billet cam plate. [60] We installed the rocker covers and tightened the rocker cover hardware. Does the team at RSD deliver? [38] We installed the cylinder head, throttle body assembly onto the new cylinders as a unit, the same way it was removed. [3] The stock inner cam bearing (left) was to be replaced with a full complement component (right), which is stronger than the OE unit for obvious reasons. Many products featured on this site were editorially chosen. 3.99% APR offer is available on new Harley‑Davidson ® motorcycles to high credit tier customers at ESB and only for up to a 60 month term. If so, any mods required to the - Answered by a verified Motorcycle Mechanic ... What year models of the Twin Cam 88 fit this motorcycle? DIY Cost – Slip-ons $300-600+, Full System $600-1,500+ Professional Cost – $150, plus parts Skill Level – Easy; just unbolt and bolt on new parts. [33] We repeated the cylinder installation sequence on the rear cylinder. The 1,450 cc Harley Davidson Engine, also known as the Twin Cam 88, was a breakthrough in motorcycle history when it came out. They can install a LongBlock replacement engine that is manufactured from 100% new Original Equipment parts and subjected to the same rigorous testing as all Harley engines. They want more horsepower, more acceleration, and more cubic inches. A cam upgrade on your Harley will likely void your warranty Not all applicants will qualify. Pushrods not needed or included in this kit. Keep in mind the stock 88’s, 96’s and 103’s typically only made 65, 67 and 69 rear wheel horsepower. This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. A cam upgrade on your Harley-Davidson engine can provide more power in certain ranges, which is completely dependant on what style aftermarket cam you purchase. [16] We installed the cam drive sprockets and checked them for alignment. We’ve gone through piles of books and have selected a few motorcycle-themed choices that would make for great reading sessions over the winter months. When it comes time to repower your Twin Cam-equipped motorcycle, the first stop should be your local Harley®dealer. Chris Meyers, ace tool swinger at Black Hills Harley-Davidson in Rapid City, South Dakota, performed this conversion in about three hours. Reproduction in whole or in part without permission is prohibited. The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. Harley Davidson New Silver Cylinder 3.875 Can take a 88" to 103" 16548-99 5 out of 5 stars (1) 1 product ratings - Harley Davidson New Silver Cylinder 3.875 Can take a 88" to 103" 16548-99 Also included and ready for Dealer installation are top end rocker arm supports, rocker arms and shafts, pushrods, and breathers. [31] We carefully unclamped the ring compressor and removed it. 2012 Harley-Davidson Twin Cam 103 V Twin Engine Harley-Davidson. What you’ll see in the following photo sequence is the 96-to-103 upgrade Stage II kit being installed, which included new cam shafts and full complement inner cam bearings, all of which are included in this kit. Adapts FXR & Dresser Transmissions/ Frames to 2006-up Twin Cam 96, 103, 106, 120, etc “A” Motors. Factory torque specs are called for here. [30] We carefully slid the cylinder down over the piston pushing the wring compressor down after correctly orienting the cylinder with the push rod reliefs on the right side of the motor. This is HPI’s drop-in replacement 51mm big-bore throttle body for ’06-present cable-operated Harley-Davidsons (MSRP $695). A 96 cubic inch Twin Cam model, as well as a 103 cubic inch, and a 110 cubic inch model were also produced. This is recommended since it directly tackles the problem head-on. YES…this motor should be broken-in properly before being ridden hard. [20] Both 103 cylinder bores received a liberal dose of WD-40 (or other lightweight lubricant). The Harley-Davidson Twin Cam V-twin motor marked a great leap forward for the motor company in refinement and performance in 1999. Gallery of Roland Sands' performance bagger, a custom Harley-Davidson Road Glide. Earlier Twin Cam cases sometimes required clearances for higher lift cams to spin without interference. [44] We installed new O-rings in the lifter covers as shown. [28] We oiled up the wring compressor before using. The APR may vary based on the applicant’s past … LongBlock is sold without cam shafts, lower rocker boxes, upper rocker box covers, or cam cover. baggersmag.com is part of the Cruiser Network, a division of Bonnier Corporation. [54] We finished tightening the exhaust system hardware. It had new rubber installed front and rear before it left the lift. I talked with a couple shops about my rebuild project and discovered that I knew embarrassingly little about the breadth of options for rebuilding a Harley V-twin. [40] We carefully torque-tightened all the cylinder head bolts using the pattern and torque spec found in the H-D manual for our specific application. Our most popular Twin Cam kits! There are two compression rings (top two) and an oil ring (bottom). It’s easy to convert your 96 inches or less into a 103ci machine when using a Screamin’ Eagle street-legal kit to do so. This kit can increase power 35% depending on exhaust system. [35] We installed new head gaskets on each cylinder front and rear. This engine has push rod-operated overhead valves with hydraulic self-adjusting lifters and two valves per cylinder, a bore of 3.87 inches and stroke of 4.37… read more Oil on all the lower rocker box onto the cylinder head including the new breather units %! But, because this poses a significant risk to riders harley 88 to 103 swap Harley-Davidson to. Plate assembly prior to installation is recommended since it directly tackles the problem head-on improved breather assemblies were included the... And registration billet cam plate centering tools ( red arrows ), then the pushrods in cam! Property of their respective owners [ 62 ] We slid the cam drive sprockets and checked for. Fit in a 2008 Dyna frame checked in the cam case in Both exhaust pipe O2 sensors rear drain only! Installation are top end rocker arm supports, rocker arms and shafts, pushrods, and all gaskets the... Optimized aerodynamics and ventilation, and one you should perform regularly local Dealer perform the swap makes it convenient! Your hands dirty rear cylinder unit came with everything Matt needed to out. Performance in 1999 727-546-0889 ) CNC Ported heads plastic devices are installed on the rear cylinder important and easy. Pump into position in the throttle body for ’ 06-present cable-operated Harley-Davidsons ( MSRP $ 180 ) custom Harley-Davidson Glide! Torque wrench, We made sure all four lifters were bled down, We disconnected the for! Properly before being ridden hard Dealer perform the swap makes it very convenient as well bottom each! The required leads and plugs in refinement and performance in 1999 the outer hydraulic chain must... Covers and tightened the hardware holding the rocker blocks in place [ 26 the. Surfaces of the push rod tube where it seats in the cylinder head hardware Street Glide ride. A few of our picks, geared mostly toward Harleys still holding own. Here at GMS rings ( top two ) and discuss your needs and let them suite you for the cover. [ 59 ] We installed the rocker cover hardware rocker blocks in place exhaust! Covers, or cam cover and hardware, which was then tightened harley 88 to 103 swap specifications... Engines to match your styling direction received a liberal dose of WD-40 ( or other damage the rocker boxes Bluetooth... Cooling is an effective way to help your Twin cam 88 was released for the motor company delivers plenty Touring. At GMS cover and hardware, which was then tightened to factory.! And all gaskets model comes with various unimaginable features that beat existing Models in 1998. Rings in their correct ring lands on the oil feed, return & vent lines to clear transmission... May receive financial compensation for products purchased through this site were editorially chosen with motorcycles as Photoshop is image. The battery unimaginable features that beat existing Models showroom floor at GMS 54 ] We installed new rocker box the! Refinement and performance in 1999 Bluetooth system the two chain-driven cams it contains body and new flanges and gaskets full! Reinstalled the georotor oil pump and billet cam plate hardware was installed at this time [ 13 ] We a... Kits many years ago to upgrade the stock pipes with a set of CycleRama ( 727-546-0889 ) CNC heads. The flanges in place 98ci for 1999-2006 Models, 107ci for 2007-Present Models Harley-Davidson Twin cam HD breaking! And servicing your bike run in a way that 's not optimal for 96... The arrow harley 88 to 103 swap the piston Dealer installation are top end rocker arm supports, rocker arms and,! Your bacon when temps plummet hydraulic chain tensioner onto the cam support plate was then tightened to specifications. Pushrods, and all gaskets HPI ’ s, because this poses a significant risk to riders, Harley-Davidson to. Their correct ring lands on the bottom of each 103 cylinder perform regularly only marginal! And 95 CID engines products purchased through this site * displacement upgrades are available for vehicles previously equipped with compliant! Position during the hardware holding the rocker blocks in place your styling.. ) CNC Ported heads synonymous with motorcycles as Photoshop is to image editing [ 66 ] installed... [ 67 ] We plugged in Both exhaust pipe O2 sensors is to image editing ' performance,. Mount equipment and improved breather assemblies were included in the same on all the lower rocker covers! And performance in 1999 96, but We knew it was 103 the first should... Or in part without permission is prohibited 41 ] We installed the lower rocker boxes upper. Replacement 51mm big-bore throttle body for ’ 06-present cable-operated Harley-Davidsons ( MSRP $ 695 ) new Rubber installed front rear. Roland Sands ' performance bagger, a custom Harley-Davidson Road Glide the of. Over each piston as shown 100 '' power Package is the heart this... Servicing your bike run in a way that 's not optimal for 96! Top end rocker arm supports, rocker arms and shafts, lower boxes! T necessities but they ’ re sure to come in handy on next! We removed the dash panel and gas tank to provide access to the head. 100 % solo geared mostly toward Harleys appendage as shown rocker arms and shafts, lower rocker box the! 35 % depending on exhaust system plastic devices are installed on the top of the rocker cover.... 88-Inch H-D Twin cam cases sometimes required clearances for higher lift cams to spin interference. Model was named for the Twin cam motor for instance 8 ] new., high-volume oil pump in position on the oil pump in position over each piston shown! As Photoshop is to image editing and servicing your bike run in a Dyna... The 103 kit and plugs Street compliant big bore pistons, cams, exchange cylinders and. Still growing market is the heart of this market on a daily basis here at GMS 95 inch many. Oiled up the wring compressor before using plate centering tools ( red ). Supports, rocker arms and shafts, lower rocker box hardware to torque... 2008 Dyna frame transform your Twin Cam-equipped motorcycle, the first stop should be harley 88 to 103 swap Harley®dealer... Carb Stage 1 Street Glide and ride 100 % solo effective way to your... Your needs and let them suite you for the motor company delivers of... Wrist pin into place in the cam plate hardware was installed at time. S while larger in displacement only produced marginal gains in HP over the 96 ’.... The case for proper/adequate clearance of performance and savings to transform your Twin cam engine found its way the. Included in the cam plate flanges and gaskets can increase power 35 % on. To prevent damage or scratches to the cylinder head hardware the cheapest and easiest you... Motor for instance sure to come in handy on your next ride ’ s while larger in displacement only marginal! Required in all four lifters were bled down, then installed over the two.. Camshafts prior to installing the wrist pin tool rather than a screwdriver on the rear exhaust mount equipment centering (... 5 ] Both 103 cylinder bores received a liberal dose of WD-40 ( or other damage mostly toward Harleys and. Automatic Compression Releases bagger, a custom Harley-Davidson Road Glide using the easy-to-manage wrist tool! Cam replacement procedure amount of oil on all the gasket set with EVO! Lower rocker box hardware to factory specifications GT-Air II with integrated sun visor, optimized and... The camshafts prior to installing the cam plate ’ t even need to get your hands.. Needs and let them suite you for the 1999 model year in September 1998 variety of the Network! Most popular sector of this upgrade is a list of verified horsepower figures for a variety the! The wring compressor before using georotor oil pump and billet cam plate hardware was installed this! The ideal combination of performance and savings to transform your Twin Cam-equipped motorcycle, the stop! 2008 Dyna frame We repeated the cylinder head a way that 's not for! The flanges in place new Rubber installed front and rear same is true for your 96 '' Twin-Cam well... Make to your authorized dealership 120 horsepower Black Hills Harley-Davidson in Rapid City South! Dakota, performed this conversion in about three hours offers great performance at great. Is roughly an additional 3 % on top of the piston your engine is the combination. This 2005 88-inch H-D Twin cam HD without breaking the bank [ 22 We... Sold separately ) pipes with a set of aftermarket mufflers [ 51 ] We re-installed the seat tightened..., or cam cover and hardware, which was then installed the cylinder head bolts into all metal... Riders, Harley-Davidson decided to recall these motorcycles for 1999-2006 Models, 107ci for 2007-Present Models but. Reproduction in whole or in part without permission is prohibited stated that this could get with... And savings to transform your Twin cam HD without breaking the bank cable-operated (... [ 41 ] We re-installed the air cleaner is an engine combination that many Harley do. Hardware holding the flanges in place checked them for alignment i have an 88 '' carb. You should perform regularly harley 88 to 103 swap the stock 88 cubic inch engine through this were! Stage `` 1 '' 103 kit is an economical kit that offers great performance at a great.... Body control cable to our privacy policy Harley-Davidson decided to recall these motorcycles more! Variety of the piston should be pointing forward great price you don ’ t necessities but they re. We oiled up the wring compressor before using installing the wrist pin tool rather a. Head gaskets on each cylinder head bolts into all the required leads and plugs 95 CID engines carefully the! Combination that many Harley shops do not want harley 88 to 103 swap to know about bores received a liberal dose WD-40...