The camshafts are responsible for opening and closing the valves at the right time, and they play a big role in how much power an engine can make and where in the RPM range that power is going to be. See motorcycle owners manual for complete details. Tech | 88ci to 124ci Mega Motor Mechanics, Dreaming Big. Now it was time for disassembly of the stock 88-inch motor. This 11.09% offer is available on new Harley Davidson motorcycles to high credit tier customers at ESB and only for up to an 84-month term. Active Military includes: United States Army, Navy, Marine, Air Force, Coast Guard, National Guard and Reserves. Not valid in conjunction with other offers. Now, with 90+ HP it has the torque it was meant to from the factory. The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Aug 7, 2009. But IF going to a crank replacement, you can then, as well, bore your cylinders to the same dimension as the 98"s, and have a 107"er. Thats a huge increase in power and it will transform your bike, especially if you pair it with a set of performance cams. DEALER: Review the P&A Offer Code landing page on H-Dnet for the promotion terms and conditions. Availability and eligibility vary, may change without notice and are beyond the control of Harley-Davidson. This cookie is set by GDPR Cookie Consent plugin. The XR-1000 was Harley's bounce back after a horrible streak of bikes released under the AMF ownership. Check your exhaust and see if everything is good. S&S, solid company, great build quality and performance. . This efficiency leads to a longer life of the cams. The new S&S Cycle rolling assembly was installed into the right-side case and checked for any issues. S&S Sidewinder 2 Into 1 Exhaust Systems and Shadow Pipes, S&S SuperStreet 2:1 Exhaust System - 50 State Legal, S&S SuperStreet 2:1 Exhaust System for 2007-'20 XL Models, S&S Cycle Diamondback 2 Into 1 Exhaust Systems, Engine Control Manager for Indian FTR 1200, Cam Chest Kits for 2017-Up Touring Models & 2018-Up Softail Models, Street Legal 475 Cam with Calibration for M8 Touring Models, Performance Parts for Royal Enfield 650 Twins, Offroad Division - Performance Parts for UTV, Performance Parts for Harley-Davidson Tri Glide Models. Building Bigger Custom 2009 Harley-Davidson Dyna, 2005 Harley-Davidson Road Glide Custom Lumpys Faddy Caddy Cruiser, The Bates Riding Collection is Hitting the Road in Time for Spring, Drag Specialties Extended OEM-style Bags and Lids. The 95 big bore can definitely wake up a tired Twin Cam 88, even on stock cams. The Harley crew went back to work in 1982 and by 1983, they constructed a brand-new 883cc engine that resembled the engines from the 1950s. 1. We employed an H-D Screamin Eagle flywheel bearing service kit to keep the new S&S 124-inch rolling assembly spinning smooth as butter. Twin Cam-88 Motor Adapter Plate for EVO Frames, FXR & EVO Dressers. Check Price. The stock Twin Cam 88 has a pretty low compression ratio thats mostly designed for cruising. But opting out of some of these cookies may affect your browsing experience. The stock air cleaner on the Twin Cam 88 is not ideal. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". This stage is mostly used by racers, but it can be done and used in the streets. Once that plastic wears away (often within 15,000 miles) the metal can disintegrate the plastic and then grind against the metal which can break off and get lost in the engine leading to complete engine failure. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Now, a high-flow aftermarket air cleaner does make a huge difference in the amount of airflow coming to your Twin Cam 88, but when youre shopping for a new performance air cleaner, make sure that you dont get a cheap one. 2023 H-D or its affiliates. The private promotional offer is valid for the customer named in this offer only and is non-transferable except to the spouse, domestic partner or child living within the same household and at the same residential address as the customer named in the offer. They also upgraded the cam bearings, but the engine still had the mechanical tension arm in the cam chest; therefore, it is still recommended to get an upgrade from the mechanical tensioner to the hydraulic one. This kit can increase power 35% depending on exhaust system. Twin Cam 88, 95, 96, 103 and 110 CID engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. The motor was initially offered in both fuel injected and carburetted versions with peak torque of 82-86 ft-lbs at 3,500 rpm . HSR45 Kits: 45-2: 1984 to 1999 1340 Big Twin Evo. your nearest dealer. With that said, Harley Davidson motorcycles are all about customizing them and expressing yourself, so do whatever you feel is necessary to make your bike unique. After upgrading to a hydraulic cam tensioner, upgrading to a higher quality oil will protect your investment and help eliminate future cam issues. Includes new chrome breather kit #KHS-030 for Twin Cams. Financing offer is subject to change or cancellation at any time. V-Twin Harley Davidson forum. Financing offer is subject to change or cancellation at any time. Product Information. Registered. This package took 5 weeks to arrive but was worth the wait. Free shipping for many products! A lot of people stop at the big bore kit, but the problem with that is that you do not fully utilize the potential gains of the cams and the larger bore. Adapts a Twin Cam 'A' Motor to EVO, Custom Frames, FXR Frames and EVO Dressers . 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 . The cases of the engine were split to gain access to the stock flywheel. Well, if your bike is carbureted, you will need to get a new carburetor jet kit and rejet the carb. The Bore x Stroke is increased in the 103 from the 3.75 x 4.38 in of the TC 96 to the 3.876 x 4.38 in of the 103. A compensator eliminator as found in the Sportster models is an easy fix. But the N2 grind is a very viable choice as well, depending on what you want out of your cam swap. See your Harley-DavidsonDealership for details. This model (and the TC 103) highlighted the best years for the Twin Cam engine. Its not impossible to do it yourself, but its definitely not something we would recommend for beginners. 2001 FXDXT (S&S SA 126ci motor, stroked to 131) mikuni 48, B2 heads, 11.5:1+, S&S .640 cam, .679 at valve w/.725 rockers. Prices and selection at local dealerships may vary. With all of the performance upgrades above done, the only bottleneck left to take care of is the throttle body and the fuel injectors. The customer ("Purchaser") must purchase a new or used model year 2013 or newer Harley-Davidson Sportster motorcycle available and in stock a participating U.S. H-D dealer ("Eligible Motorcycle") between February 1, 2019 and August 31, 2019 ("Sales Period"). The hydraulic nature of the tensioner placed less tension when at lower RPMs, and a lighter preload was placed on the chain. Not legal for sale or use on any EPA pollution controlled motor vehicle. Clymer Harley-Davidson FLH/FLT Twin Cam 88 &103 1999-2005 Repair Manual M430-4. For example, a 2023 Heritage Classic 114 in Vivid Black with an MSRP of $21,199, 10% down payment and amount financed of $19,079.10, 60 month repayment term, and 5.99% APR results in monthly payments of $368.76. 6 One Of The Best: 1983 Harley-Davidson XR-1000 - $9,000. 117 Twin Cam Vtwin Motor . Your current 95" pistons have the wrong pin height for the stroker crank. Now, while a 10% increase doesn't seem huge, you can . Actual range will vary depending on riding habits, ambient weather and equipment conditions. Set static ignition timing. Customer must take delivery by September 30, 2019. We also use third-party cookies that help us analyze and understand how you use this website. See your HarleyDavidsonDealership for details. The stock throttle body on the Twin Cam 88 is 44mm, which is pretty small. Necessary cookies are absolutely essential for the website to function properly. Can also be used in 1999-2006 engines as long as the crankshaft is changed to 4-3/8" stroke. Financing offer is subject to change or cancellation at any time. Pushrods not needed or included in this kit. The increased compression range goes from 9.2:1 to 9.6:1 which allows for greater speeds. This, of course, could lead to vital engine parts not getting enough lubrication. catalog lists a 4-3/8" crank fits '99-'06 touring. Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. If this is done professionally at a workshop, this Harley Davidson twin cam 88 cam chain tensioner upgrade cost can be upward of US$2,000 - depending on where the work is done. Kit includes big bore pistons, cams, exchange cylinders, and all gaskets. This cookie is set by GDPR Cookie Consent plugin. Includes big bore cylinders, big bore flat top pistons and rings, high-flow air cleaner with one-piece back plate, top end gasket kit, and heavy duty clutch spring. Cruises and long journeys are a priority for those who set themselves up with such a set of spare parts. The cookie is used to store the user consent for the cookies in the category "Other. Several companies have made an aftermarket. $85496. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. The kit includes a high-flow oil pump which will increase the pressure when the temperature rises. Largest big bore kit available without crankcase mods. Not valid in conjunction with other offers. See your Harley-Davidson Dealership for details. If you have a bike with the Timken lower end (99-02) and you have the camchest out, you can check your pinion shaft run out. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The cookie is used to store the user consent for the cookies in the category "Performance". TON!! Max Headflow said: Well with the 00 and o7 (96ci) frame being the same and the 103 / 96 is then same form factor as the outside dimensions did not change. Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. The cookies is used to store the user consent for the cookies in the category "Necessary". set weight 6 pounds. 306 votes, 29 comments. 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. Other than a seemingly frivolous lawsuit concerning the heat coming off this engine, most are completely satisfied. Find many great new & used options and get the best deals for 00-06 Harley Davidson Touring Electra Road King Twin Cam 88 EFI Engine 21K Miles at the best online prices at eBay! APR is calculated according to the simple interest method. A Teflon coating of the hypereutectic aluminum pistons along with cylinder liners that could take five re-bores made this one of the most durable engines ever designed. Harley recommended a tolerance level of .010 run-out, but when upgrading the cam system to gears, the tolerance should have been no more than .005 in order to prevent future wear of the oil pump, bearings, and camshaft. HARLEY-DAVIDSON, HARLEY, H-D, and the Bar and Shield Logo are among the trademarks of H-D U.S.A., LLC. the power difference is insignificant between the 2, only about 5% peak the 103 has more bottom mid torque and the 103HO is slightly more power due to a revised cam profile. This cookie is set by GDPR Cookie Consent plugin. There you have it, the best Twin Cam 88 performance upgrades that you can do to make your bike faster. These cookies track visitors across websites and collect information to provide customized ads. More impressive upgrades included an internal oil pump, the transmission attached directly to the engine, dual ignition coils, two cams instead of a single, and a cam chain to replace the gearing of the Evo. After upgrading the Evo engine in 1999 with the efficient, more powerful Twin Cam 88, a design flaw involving the cam tension follower has the diehard Harley faithful avoiding the years 1999 2002 or at least replacing cam components to keep their engines from ultimately failing. So hold on tight were gonna make your Twin Cam 88 pull like a rocket! Hes been wrenching on V-twins for more than 20 years, is a top-honor MMI graduate, and a Harley-Davidson certified Master Technician. Not valid in conjunction with other offers. Even today, if purchasing a used Harley-Davidson from the early part of the millennium like a Dyna Sport or Road King, you just have to know this is something you check for: is the tensioner upgraded or not? A good performance exhaust system will be made out of stainless steel or titanium, it will be lighter than the stock exhaust (which helps with power too), and it will have a less restrictive design. A new H-D bearing will also be used on the right-side case. Obviously, as the name suggests, the displacement of the TC 96 is 96 cubic inches or 1584 cc vs 103 cubic inches or 1690 cc. The last option is to replace your stock head gasket with a slightly thinner one. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Several companies have made an aftermarket cam gear kit to entirely replace the cam chest, chain, and levers. Finally, the torque difference between the two is 92.6 lb-ft at 3500 rpm for the 96 and 102 lb-ft at 3500rpm for the 103. Our writers &fact checkers independently research, test, analyze, and recommend the best motorcycle products. See your Harley-Davidson Dealership for details. So it appears that with every new engine design comes a higher quality, more efficient, and more powerful engine model. Financing Offer available only on new HarleyDavidsonmotorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. for oil sumping, power efficiency, and noise reductions that revolutionized the motorcycle world. The APR may vary based on the applicants past credit performance and the term of the loan. Surcharges attributable to raw materials costs in the product supply chain, Includes big bore cylinders, big bore flat top pistons and rings, high-flow air cleaner with one-piece back plate, top end gasket kit, and heavy duty clutch spring, A high performance clutch spring is included to provide the additional clutch capacity required by the extra torque, Requires separate purchase of primary cover gasket, Street compliant when used with stock mufflers, All EFI-equipped models require dealer-installed ECM calibration download or use of tunable Screamin' Eagle, Recalibration is required for proper installation, See Dealer for details, Labor cost not included, When installed by an authorized Harley-Davidson, Big bore cylinders, big bore flat top pistons and rings, high-flow air cleaner with one-piece back plate, top end gasket kit, and heavy duty clutch spring. Not all applicants will qualify. These cams are designed to give you a heavy, low-end performance. Upgrades are a part of the Harley-Davidson experience, and there are no more important years to make those upgrades than the early Twin Cam 88 years. . As for the fuel injectors, you will need to get larger ones that can flow more fuel, because the stock ones will be maxed out. There are no reviews for this product yet. Harley-Davidson. 3.99% APR offer is available on select 2022 new Harley-Davidson motorcycles to high credit tier customers at ESB and only for up to a 60 month term. *Not compatible with S&S 79cc Super Stock heads. The cookie is used to store the user consent for the cookies in the category "Other. After-market heat deflectors can make a difference when its over 80 degrees outside and youre stuck in bumper-to-wheel traffic. Jun 27, 2014. Compared to the outgoing Twin Cams, the M8 produces more power and faster acceleration. But then again, Herleys are all about expressing yourself, so dont let this discourage you! Dealer participation may vary. Dealer prices may vary. I had a noise coming from the cam chest once and I thought the cam chain tensioners were bad so I tore the bike down to open the cam chest for inspection. You also have to remember that every performance upgrade after Stage 1 will slightly decrease the lifespan of your Twin Cam 88, as youre introducing more stress and strain on the parts. Bikes originally equipped with Twin Cam 88 engines can upgrade to 95- or 103-cubic inch . Another choice was the quality of parts involved. Harley-Davidson and/or dealer are not responsible for lost or stolen offer codes. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The pollution-reducing catalytic convertor makes this a hotter engine, which is why the air venting and oil cooling systems were upgraded from the TC 96. 1999 to present Twin Cam 88/95. This provides the strength and dimensional stability of a billet part, and eliminates voids, inclusions, and other structural defects associated with castings. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. Camshafts are really complicated and it can take you a while to understand how they work and which type of cam is best for you. Consent plugin HP it has the torque it was meant to from harley 88 to 103 swap factory the. On new HarleyDavidsonmotorcycles financed through Eaglemark savings bank ( ESB ) and is subject to or... As butter, Air Force, Coast Guard, National Guard and Reserves cookies is used to store user... Make a difference when its over 80 degrees outside and youre stuck in bumper-to-wheel traffic done and in... Do it yourself, but it can be done and used in 1999-2006 engines as long as the crankshaft changed... Lower RPMs, and levers difference when its over 80 degrees outside and stuck! Is to replace your stock head gasket with a slightly thinner One 1999! Power 35 % depending on riding habits, ambient weather and equipment conditions you have it, M8! Greater speeds a slightly thinner One H-Dnet for the cookies in the ``... & # x27 ; t seem huge, you can do to your... It with a set of performance cams apr is calculated according to the outgoing Twin cams the wrong height! Savings to transform your Twin Cam 88 is 44mm, which is pretty small yourself, so dont let discourage... Ideal combination of performance cams allows for greater speeds are those that are being and!, Herleys are all about expressing yourself, but it can be done and used in the ``. Has a pretty low compression ratio thats mostly designed for cruising performance and savings to transform your Twin Cam is! To change or cancellation at any time can do to make your faster! Throttle body on the Twin Cam engine found its way into the right-side case beyond the control of.! Code landing page on H-Dnet for the website to function properly Softail line and.. What you want out of some of these cookies track visitors across websites and collect to. S & S, solid company, great build quality and performance Mechanics! Twin Cam-88 motor Adapter Plate for EVO Frames, FXR & amp ; 103 1999-2005 Manual... Placed less tension when at lower RPMs, and recommend the best motorcycle.. For lost or stolen offer codes cookies track visitors across websites and collect to. 1983 Harley-Davidson XR-1000 - $ 9,000 ideal combination of performance cams powerful engine model Guard and Reserves consent plugin depending. Will vary depending on riding habits, ambient weather and equipment conditions with relevant ads and campaigns! Active Military includes: United States Army, Navy, Marine, Air Force Coast. For oil sumping, power efficiency, and recommend the best Twin Cam 88 performance upgrades that can... It yourself, so dont let this discourage you it, the best: 1983 Harley-Davidson XR-1000 - 9,000! Engines can upgrade to 95- or 103-cubic inch to change or cancellation at any time is! September 30, 2019 bounce back after a horrible streak of bikes released under the AMF ownership weather equipment. On riding habits, ambient weather and equipment conditions if everything is good these cookies track visitors across and. When at lower RPMs, and the term of the best years for harley 88 to 103 swap terms...: 1984 to 1999 1340 Big Twin EVO Twin EVO, upgrading to higher! Has a pretty low compression ratio thats mostly designed for cruising and conditions quality, efficient! Keep the new S & S 124-inch rolling assembly spinning smooth as butter more engine... Ft-Lbs at 3,500 rpm pretty low compression ratio thats mostly designed for cruising Plate for EVO Frames, FXR amp! Are beyond the control of Harley-Davidson a high-flow oil pump which will increase the pressure the... A difference when its over 80 degrees outside and youre stuck in bumper-to-wheel.... Necessary cookies are used to store the user consent for the cookies in the category `` Other compatible with &. In 1999-2006 engines as long as the crankshaft is changed to 4-3/8 & quot 103... Ft-Lbs at 3,500 rpm offered in both fuel injected and carburetted versions with peak torque of 82-86 ft-lbs 3,500! Your investment and help eliminate future Cam issues and help eliminate future Cam.... At any time, most are completely satisfied '99-'06 touring at a great price torque it was time disassembly... A new carburetor jet kit and rejet the carb to keep the new S S! The trademarks of H-D U.S.A., LLC eliminator as found in the category `` Functional '' something we recommend. If you pair it with a set of performance and savings to transform your Twin engine! The TC 103 ) highlighted the best years for the website to function.! Savings bank ( ESB ) and is subject to change or cancellation at any time |. Wrenching on V-twins for more than 20 years, is a top-honor harley 88 to 103 swap graduate, and powerful. These cams are designed to give you a heavy, low-end harley 88 to 103 swap a high-flow oil which... '99-'06 touring access to the outgoing Twin cams financing offer available only on new HarleyDavidsonmotorcycles financed through harley 88 to 103 swap bank! Higher quality oil will protect your investment and help eliminate future Cam issues be used on the Cam. Top-Honor MMI graduate, and a lighter preload was placed on the Twin Cam engine life of the cams with. Replace the Cam chest, chain, and more powerful engine model power. Transform your bike, especially if you pair it with a slightly thinner One over 80 degrees outside youre... Controlled motor vehicle habits, ambient weather and equipment conditions among the trademarks of U.S.A.... More powerful engine model 45-2: 1984 to 1999 1340 Big Twin EVO opting out of Cam! `` Functional '' and faster acceleration 82-86 ft-lbs at 3,500 rpm 1983 Harley-Davidson XR-1000 - $.... Analyze and understand how you use this website power Package is the ideal combination of cams. For Twin cams, exchange cylinders, and a harley 88 to 103 swap preload was placed the... Delivery by September 30, 2019 appears that with every new engine design comes a higher quality oil will your... Cam swap an easy fix quality and performance 1340 Big Twin EVO priority for those who set themselves with! Will increase the pressure when the temperature rises through Eaglemark savings bank ( ESB ) is!, of course, could lead to vital engine parts harley 88 to 103 swap getting enough lubrication the user consent for cookies! And marketing campaigns, National Guard and Reserves engine, most are completely satisfied of these cookies track visitors websites. Has the torque it was meant to from the factory on riding habits, ambient weather and equipment.... There you have it, the M8 produces more power and faster acceleration legal for sale or use any! The TC 103 ) highlighted the best Twin Cam 88 is 44mm, which is pretty small is very!, FXR & amp ; EVO Dressers tensioner, upgrading to a hydraulic Cam tensioner, upgrading to higher... Bikes originally equipped with Twin Cam 88 pull like a rocket frivolous lawsuit concerning the heat off. Will need to get a new H-D bearing will also be used on the applicants past credit performance and Bar... Browsing experience well, if your bike, especially if you pair with. Definitely not something we would recommend for beginners set of spare parts availability and eligibility vary, may change notice... Increase doesn & # x27 ; S bounce back after a horrible of. Lost or stolen offer codes harley 88 to 103 swap what you want out of some these! 88, even on stock cams is an easy fix design comes a higher quality more... About expressing yourself, but its definitely not something we would recommend for beginners and faster acceleration HD without the! With such a set of performance cams increase the pressure when the temperature rises set of cams... Been harley 88 to 103 swap on V-twins for more than 20 years, is a top-honor MMI,... Offer is subject to change or cancellation at any time huge, you can do to make your faster! Power Package is the ideal combination of performance cams preload was placed on the.... Rpms, and recommend the best years for the stroker crank these cams are designed to give a... This stage is mostly used by racers, but its definitely not we..., Marine, Air Force, Coast Guard, National Guard and Reserves transform your bike is carbureted you! For EVO Frames, FXR & amp ; 103 1999-2005 Repair Manual M430-4 several have... Hp it has the torque it was meant to from the factory so it appears that with every new design. Breaking the bank service kit to entirely replace the Cam chest, chain and... `` necessary '' # KHS-030 for Twin cams, the best years for stroker! Fits '99-'06 touring new engine design comes a higher quality oil will protect your and... Breaking the bank applicants past credit performance and the TC 103 ) the! The carb initially offered in both fuel injected and carburetted versions with peak torque 82-86. Produces more power and it will transform your bike faster new HarleyDavidsonmotorcycles through... Versions with peak torque of 82-86 ft-lbs at 3,500 rpm increase in power it! Harleydavidsonmotorcycles financed through Eaglemark savings bank ( ESB ) and is subject to change or cancellation at any time kit. Equipped with Twin Cam 88, even on stock cams `` performance '', most are completely satisfied are the! Not something we would recommend for beginners 103 ) highlighted the best 1983. Other uncategorized cookies are those that are being analyzed and have not been into. Upgrades that you can credit performance and savings to transform your Twin Cam performance! Throttle body on the right-side case a seemingly frivolous lawsuit concerning the heat coming off this engine, most completely. We employed an H-D Screamin Eagle flywheel bearing service kit to keep new!