Baggers may receive financial compensation for products purchased through this site. Bolt-On Big Bore Kits - Only $530! 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. It says 96, but we knew it was 103. [33] We repeated the cylinder installation sequence on the rear cylinder. Adapts all Softail and Ridgid EVO Frames to 2006-up Twin Cam 96, 103, 110 & 120R “A” Motors. The plate is designed with stainless steel banjo bolts for the oil feed, return & vent lines to clear the transmission. 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. Our selection of the best cam for the twin cam 88 Harley Davidson model comes with various unimaginable features that beat existing models. Spacers are available from Harley-Davidson to provide adjustment. 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. [26] The pistons were installed waiting for their respective cylinders. Note the upgraded breathers. [14] We slid the cam plates and new cams into place in the cam case. [46] New O-rings are also required at the top of the push rod tube where it seats in the cylinder head. [61] After ensuring the lifters had bled down, we installed the pushrod cover clips. [18] The outer hydraulic chain tensioner must be installed at this time. [44] We installed new O-rings in the lifter covers as shown. The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. [48] New and improved breather assemblies were included in the gasket set with the 103 kit. [6] Back to the cam support plate. [13] We instaledl the inner cam chain tensioner onto the cam plate. [34] Both cylinders were in position. 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. Harley-Davidson. LongBlock is sold without cam shafts, lower rocker boxes, upper rocker box covers, or cam cover. Pushrods not needed or included in this kit. By submitting above, you agree to our privacy policy. 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. 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. Matt also got some of HPI’s 5.3gps high-flow injectors (MSRP $180). Installing a windshield for a winter ride can save your bacon when temps plummet. Our most popular Twin Cam kits! The Twin Cam 88 was released for the 1999 model year in September 1998. [12] We carefully reinstalled the georotor oil pump into position in the cam case. 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. Motor Adapter Plate includes: Hardware Oil line Fittings 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 … Copyright © 2021 Baggers. [38] We installed the cylinder head, throttle body assembly onto the new cylinders as a unit, the same way it was removed. Reproduction in whole or in part without permission is prohibited. Twin Cam 88, 95, 96, 103 and 110 CID engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. Having your local dealer perform the swap makes it very convenient as well. B. 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. It just depends on how fast you have to go. Chris Meyers, ace tool swinger at Black Hills Harley-Davidson in Rapid City, South Dakota, performed this conversion in about three hours. Kit only price $1199.95 Installed kit price $3050.99 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 [20] Both 103 cylinder bores received a liberal dose of WD-40 (or other lightweight lubricant). Performance and looks. *Displacement upgrades are available for vehicles previously equipped with street compliant big bore kits only. [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. Who would believe a TC95 could make over 120 horsepower. 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. ©2021 H-D or its affiliates. [8] The new cams were checked in the case for proper/adequate clearance. 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. The larger 103 displacement requires more air, therefore cam profiles designed to provide better breathing were in order. They want more horsepower, more acceleration, and more cubic inches. [21] Before the piston rings were installed on the pistons, the ring end-gaps (all rings) were checked using a feeler gauge. [59] We installed new rocker cover gaskets front and rear. Here are a few of our picks, geared mostly toward Harleys. [52] The rocker support was installed. 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. Just take your Harley motorcycle to your authorized dealership. [24] Before installing the wrist pin keepers, we made sure the pistons were oriented correctly. [45] We installed new internal O-rings where required in all four of the pushrod tubes. 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. HARLEY-DAVIDSON, HARLEY, H-D, and the Bar and Shield Logo are among the trademarks of H-D U.S.A., LLC. [51] We re-installed the exhaust system at this time. 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. [2] We removed the dash panel and gas tank to provide access to the cylinder head hardware. In addition, ’99-’06 LongBlocks are upgraded with late-model hydraulic cam tensioners, high-volume oil pump and billet cam plate. 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 … This is recommended since it directly tackles the problem head-on. [68] This Road King was ready for the road. [22] We installed the rings in their correct ring lands on the piston. 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 crankcase is pre-assembled with flywheels, connecting rods, bearings, seals, cylinders, pistons, rings, heads, valves, valve springs, tappets and pushrod covers. We squirted a copious amount of oil on all the metal surfaces of the cams and plate assembly prior to installation. [11] We installed a new O-ring on the oil pump appendage as shown. And the same is true for your 96" Twin-Cam as well. [49] We installed the rocker support assemblies onto each cylinder head including the new breather units. 98ci for 1999-2006 Models, 107ci for 2007-Present Models. This is roughly an additional 3% on top of the standard overbore conversion described below. 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 black plastic devices are installed on the camshafts prior to installing the cam plate to prevent damage or scratches to the bearing races. 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. The 1,450 cc Harley Davidson Engine, also known as the Twin Cam 88, was a breakthrough in motorcycle history when it came out. [64] We re-installed the air cleaner cover. The green tape was holding the flanges in place. 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. The heart of this upgrade is a set of CycleRama (727-546-0889) CNC Ported heads. Financing Offer available only on new Harley‑Davidson ® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. [27] We installed a new O-ring on the bottom of each 103 cylinder. Adapts FXR & Dresser Transmissions/ Frames to 2006-up Twin Cam 96, 103, 106, 120, etc “A” Motors. 2012 Harley-Davidson Twin Cam 103 V Twin Engine Harley-Davidson. Call our service department today (516-489-0770) and discuss your needs and let them suite you for the ride of your life! [10] The cam support plate was then installed over the two camshafts. 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. This is roughly an additional 3% on top of the standard overbore conversion described below. 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. Plenty of clearance here. The most popular sector of this still growing market is the Twin Cam 88/96 based engines with the EVO still holding its own. Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. Owners of Harley-Davidson® motorcycles are hardly ever satisfied with the performance of their bikes as they roll off the showroom floor. 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 … 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. A Bonnier Corporation Company. Also included and ready for Dealer installation are top end rocker arm supports, rocker arms and shafts, pushrods, and breathers. [39] We installed the cylinder head bolts into all the holes. Beginning in 1999, the Harley-Davidson Twin Cam motor made its debut on rubber-mounted bikes-the "Glides," being the Super, Electra, and Road. Call our service department today (516-489-0770) and discuss your needs and let them suite you for the ride of your life! baggersmag.com is part of the Cruiser Network, a division of Bonnier Corporation. The arrow on the top of the piston should be pointing forward. Motorcycle rallies are an integral part of biker culture, but you need a cheat sheet to drill down to the ones worth your while. I have an 88" 2006 carb Stage 1 Street Glide and ride 100% solo. 1974 Suzuki GT750 Lemans (Water Buffalo) [37] We did the same on all the gasket surfaces of the rocker boxes. The O-rings are included in every kit. [43] Using an inch-pound torque wrench, we tightened all the lower rocker box hardware to factory torque specifications. [16] We installed the cam drive sprockets and checked them for alignment. Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. Many products featured on this site were editorially chosen. CP Pistons Harley Davidson Twin Cam 88 Cubic Inch … Your engine retains its original Vehicle Identification Number (VIN) for easy title exchange and registration. Your engine is the heart and soul of your Harley-Davidson® motorcycle. ’07-’13 103CI and 110CI engines feature factory-installed Automatic Compression Releases. [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. There is always that restlessness for something more. [41] We installed new rocker box gaskets front and rear. This adapter plate is specially made for the FXR & 1980-1998 Rubber Mount Touring Models Drivetrain. Note the green O-ring in position on the rear drain. [60] We installed the rocker covers and tightened the rocker cover hardware. 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". Harley Cooling is an effective way to help your twin cam engine. [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. The unit came with everything Matt needed to swap out his stock setup, including the throttle body and new flanges and gaskets. The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. When the miles start to add up, a Harley-Davidson LongBlock can put the rumble back in your ride simply, quickly, and affordably. This model was named for the two chain-driven cams it contains. 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. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers.1996 FXDS-CONV S&S E.Screaming Eagle ignition,V&H Short shots. Don’t be sad. [19] On went the cam cover and hardware, which was then tightened to factory specifications. The Twin Cam 88B engine was a counter-balanced Twin Cam 88 motor that was designed to fit Harley-Davidson Softail models. Our list of gadgets aren’t necessities but they’re sure to come in handy on your next ride. [54] We finished tightening the exhaust system hardware. This video shows how. Kit only price $1199.95 Installed kit price $3050.99 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. The 110’s while larger in displacement only produced marginal gains in HP over the 96’s & 103’s. Owners of Harley-Davidson® motorcycles are hardly ever satisfied with the performance of their bikes as they roll off the showroom floor. [29] We clamped the ring compressor in position over each piston as shown. In total, Harley-Davidson recalled about 250,000 models. A cam upgrade on your Harley will likely void your warranty Each part number listed is for 1 piston, 1 piston pin, 1 cylinders worth of piston rings and 1 set of pin locks. 1978 Strokershovel Lowrider 100 inches. [56] We made sure ALL FOUR lifters were bled down, then installed the pushrod cover clips. [67] We re-installed the seat and tightened that bolt. 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. Looking for more power? Generally, twin-cam 88 Harley Davidson engines feature higher horsepower, overhead valves powered by pushrods, as well as counterbalancing features that reduce engine vibration. You don’t even need to get your hands dirty. Harley-Davidson stated that this could get fixed with regular braking fluid flushes and replacing the fluid every two years. 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. 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. [25] We installed the wrist pins using the easy-to-manage wrist pin tool rather than a screwdriver. 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. [1] After securing the motorcycle to a lift, we disconnected the battery for safety. [63] We re-installed the top front motor mount (heim joint) and coil-coil bracket. Our most popular Twin Cam kits! The cam support plate would be stripped. The hydraulic cam chain tensioners were removed for the cam replacement procedure. A more extreme cam can also make your bike run in a way that's not optimal for your type of riding. [32] Before sliding the cylinder all the way down on the motor cases, we installed new O-rings on the oil drain tubes. You can choose silver or black- highlighted engines to match your styling direction. All the cam plate hardware was installed at this time. A 96 cubic inch Twin Cam model, as well as a 103 cubic inch, and a 110 cubic inch model were also produced. [62] We plugged in the throttle body control cable. The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. We marked them, didn’t we? 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. [50] We tightened the hardware holding the rocker blocks in place. Gallery of Roland Sands' performance bagger, a custom Harley-Davidson Road Glide. [9] The new cams were chained up with the timing marks located properly. Don’t forget any! Old on top, new on the bottom. [36] We thoroughly cleaned any residual gasket material from the cylinder head mating surfaces. With the Harley-Davidson® LongBlock program. 98ci for 1999-2006 Models, 107ci for 2007-Present Models. If so, any mods required to the - Answered by a verified Motorcycle Mechanic ... What year models of the Twin Cam 88 fit this motorcycle? We see the whole range of this market on a daily basis here at GMS. There is always that restlessness for something more. It just depends on how fast you have to go. [23] We installed the pistons onto the connecting rods and slid the wrist pin into place. You can convert you Twin-Cam 88 to 95 Cubic Inches, or even to 103", 106", 110" or 116". [7] These cams would replace the stock 96-inch cam shafts. ... Just take your Harley motorcycle to your authorized dealership. 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. Pushrods not needed or included in this kit. [15] We installed the cam plate centering tools (red arrows), then installed and tightened the cam plate hardware. [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. [31] We carefully unclamped the ring compressor and removed it. 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. Does the team at RSD deliver? Third-party trademarks are the property of their respective owners. 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. Will a stock 103 Harley Davidson engine from a 2012 Dyna fit in a 2008 Dyna frame? This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. This is HPI’s drop-in replacement 51mm big-bore throttle body for ’06-present cable-operated Harley-Davidsons (MSRP $695). The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. Factory torque specs are called for here. You can convert you Twin-Cam 88 to 95 Cubic Inches, or even to 103", 106", 110" or 116". YES…this motor should be broken-in properly before being ridden hard. The Harley-Davidson name is as synonymous with motorcycles as Photoshop is to image editing. [47] We installed the pushrod tubes, then the pushrods in the same locations from where they were removed. A more extreme cam can also make your bike run in a way that's not optimal for your type of riding. Twin Cam 88, 95, 96, 103 and 110 CID engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. But, because this poses a significant risk to riders, Harley-Davidson decided to recall these motorcycles. 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. [66] We reconnected the positive terminal of the battery. This is an engine combination that many Harley shops do not want you to know about. Upgrades require model-specific ECM recalibration (sold separately). Below you will find an assortment of sample dyno charts for various Harley combinations, this is a work in progress. While many Harley owners would consider themselves fortunate to pick up one of these, Limited Edition 110’s, luck was not on their side. [28] We oiled up the wring compressor before using. Kit includes big bore pistons, cams, exchange cylinders, and all gaskets. Without bells and minus the drama, this new bagger from The Motor Company delivers plenty of touring chops at a nice price. 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. Bolt-On Big Bore Kits - Only $530! Checking and servicing your bike’s air cleaner is an important and extremely easy task, and one you should perform regularly. The crosshatch was visible on the front cylinder. ... looking to swap … There are two compression rings (top two) and an oil ring (bottom). This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. [55] We plugged in both exhaust pipe O2 sensors. Don’t be sad. 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 APR may vary based on the applicant’s past … These kits started as 95 inch kits many years ago to upgrade the stock 88 cubic inch engine. Beginning in 1999, the Harley-Davidson Twin Cam motor made its debut on rubber-mounted bikes-the "Glides," being the Super, Electra, and Road. [57] We installed and tightened the rear exhaust mount equipment. Sign up to receive our email newsletter and never miss an update! Not all applicants will qualify. And the same is true for your 96" Twin-Cam as well. This kit can increase power 35% depending on exhaust system. Perhaps the cheapest and easiest mod you can make to your ride is swapping out the stock pipes with a set of aftermarket mufflers. [42] We thoroughly cleaned the gasket mating surfaces, then installed the lower rocker box onto the cylinder head. [5] Both inner cam bearing were replaced with the full complement components and the cam case inspected for cracks or other damage. The tools hold the cam plate and oil pump in position during the hardware tightening sequence. 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. Take this 2005 88-inch H-D Twin Cam motor for instance. This kit can increase power 35% depending on exhaust system. It had new rubber installed front and rear before it left the lift. Keep in mind the stock 88’s, 96’s and 103’s typically only made 65, 67 and 69 rear wheel horsepower. 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. [65] We re-installed the gas tank and dash cover, connecting all the required leads and plugs. The Harley-Davidson Twin Cam V-twin motor marked a great leap forward for the motor company in refinement and performance in 1999. 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. A cam upgrade on your Harley will likely void your warranty 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. 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. Here are our top picks. When it comes time to repower your Twin Cam-equipped motorcycle, the first stop should be your local Harley®dealer. 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 STD denotes standard bore for 103 pistons. [35] We installed new head gaskets on each cylinder front and rear. Earlier Twin Cam cases sometimes required clearances for higher lift cams to spin without interference. Kit includes big bore pistons, cams, exchange cylinders, and all gaskets. All rights reserved. Shoei Premium Helmets announces the GT-Air II with integrated sun visor, optimized aerodynamics and ventilation, and consideration for a Sena Bluetooth system.