Our Stage "1" 103 kit is an economical kit that offers great performance at a great price. 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. Financing offer is available only for up to a 60 month term. 107hp and 1. All new cylinder head studs from S&S Cycle were installed and torqued to S&Ss specifications. Fits all '07 Twin Cam and '08-'11 Softail models equipped with a Twin Cam 96 engine. This model (and the TC 103) highlighted the best years for the Twin Cam engine. But the main thing, is to enjoy the bike the way it is right now, all the . For example, a 2022 Road Glide motorcycle in Vivid Black with an MSRP of $21,430, no down payment and amount financed of $21,430, 60 month repayment term, and 3.99% APR results in monthly payments of $394.57. Shop the best selection of Harley-Davidson Top End Kits at Dennis Kirk for the lowest prices. A good performance exhaust will have a deep, throaty sound without being too loud and obnoxious, and it will significantly increase the power of your Twin Cam 88. Of course, all of those upgrades need to be dyno tuned. The following year, a counterbalanced Twin Cam engine found its way into the solid-mount Softail line. For example, a 2023 Softail Standardmotorcycle in Vivid Black with an MSRP of $14,399, no down payment and amount financed of $14,399, 60 month repayment term and 8.49% APR results in monthly payments of $295.35. Harley had several options for their EPA-approved cam system. The APR may vary based on the applicants past credit performance and the term of the loan. Its important to note that you might not want an exhaust thats too loud not only will it give you a headache on long trips, but you might get hassled by the cops. Now it was time for disassembly of the stock 88-inch motor. 2006 FLHTR Harley Road Glide, Stage 4. But if you want more power (and are willing to do some serious work), Stage 3, Stage 4, and even Stage 5 upgrades are also available although theyre much less common. This cookie is set by GDPR Cookie Consent plugin. Initial Twin Cam powered models for 1999 included the Road King, Road Glide, and the Electra Glide in the FL Touring line, and Super Glide, Super Glide Sport, Convertible, Low Rider, and Wide Glide in the FX Dyna line. Despite variations in color, the ability of the anodized coating to protect the parts is unchanged. Necessary cookies are absolutely essential for the website to function properly. See your HarleyDavidsonDealership for details. S&S Cycle 128" Big Bore Kit For Harley 114" Milwaukee Eight 2017-2023. You can also use high-compression pistons, which is the second most common way to do it. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Most riders are content with the Stage 1, and maybe Stage 2 upgrades, and they really do make a huge difference. If youre not comfortable doing the work yourself, we recommend taking it to a professional. 6 One Of The Best: 1983 Harley-Davidson XR-1000 - $9,000. 2023 ThrottlePack. Free shipping for many products! The test results showed the engine producing 128 horsepower @ 6600 RPM and 118 ft. lbs. Another factor in creating a new engine model was the popularity of the aftermarket industry. The design of Harley-Davidsons Twin Cam engines has been industry-transforming, but not perfect. Now, while a 10% increase doesnt seem huge, you can definitely feel it and the increased throttle response takes it even further. Note: Use your stock throttle cables. FREE SHIPPING on orders over $89 - We Ship Today! Be geared to expect excellent power levels at mid and top performance too. looking for any info or insight when building a 103 out of a 88. Requires case boring (instructions included) and stroker piston cooling jet kit. Dyno Tune the bike. . $75 USD / $100 CAD Voucher valid at participating U.S. & Canadian H-D Dealers towards the purchase of Genuine H-D Parts & Accessories and General Merchandise. Description. More on the 98" Big Bore Kit . If that is the case putting a 4.375 crank with 3.875 cylinders that are on my 95" should get me a 103?? Installation requires separate purchase of Primary Cover Gasket. The APR may vary based on the applicants past credit performance and the term of the loan. Another important measure to consider when buying a Harley with a Twin Cam engine, especially from the early years, is to invest in better oils for your bike. Not valid in conjunction with other offers. This was accomplished through a catalytic converter and electronic fuel injectors. Boring the cylinders at a machine shop is usually cheaper and the machinist will be able to get the pistons true to size, which is important. However, with the Stage 2 performance upgrade, were going to be installing more aggressive cams that will help us make more power and increase the rev limit. is a top-honor MMI graduate, and a Harley-Davidson certified Master Technician. Earn $150 in H-D Gift Cards plus a low intro APR18. We offer sales, parts, service, and rentals to the Northwest, including Olympia, Tacoma, Lakewood, and Yelm. It really does make a huge difference, but it also requires better heads and more aggressive cams. By clicking Accept, you consent to the use of ALL the cookies. Jul 7, 2012. Dealer participation may vary. Not legal for sale or use on any EPA pollution controlled motor vehicle. Prices exclude tax, title, licensing, registration fees, destination charges, surcharges (attributable to raw materials costs in the product supply chain), added accessories, and additional dealer charges, if any, and are subject to change. Not valid in conjunction with other offers. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. Well, you can expect to make around 20-30% more horsepower and 20% more torque depending on the cam, of course. A. as found in the Sportster models is an easy fix. All taxes are extra. Financing offer is subject to change or cancellation at any time. Since then he has been through countless bikes and continued his two-wheeled hobby passing it down to his 21-year-old son who rides with him on the weekends in the Blue Ridge Mountains. This cookie is set by GDPR Cookie Consent plugin. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. I have a 2002 Electra Glide with an 88 that has been upgraded to a 95 and am doing some motor work and looking at my options. Financing Offer available only on used HarleyDavidson motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Free shipping for many products! There are tons of great performance exhausts on the market, but we also recommend you to stick with known brands in order to avoid disappointment. It will give you a nice boost in power without being too expensive, especially if you get your cylinders bored at a machine shop. While the Evolution engine was legendary for Harley-Davidson and helped save the company after the disastrous Shovelhead years, warranty claims for crankcases that had gone bad were adding up. See your Harley-Davidson Dealership for details. . Not valid in conjunction with other offers. If you want a 103 then you would need to bore your cylinders and get new 3.875 pistons 4.375x3.875=103. Dealer participation may vary. Now, with 90+ HP it has the torque it was meant to from the factory. We can be reached at contact@throttlepack.com. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. available. Features & Benefits. These cams are designed to give you a heavy, low-end performance. Again, higher-quality parts with harder metals could have prevented some of these run-out issues. It is a Harley. Financing offer is subject to change or cancellation at any time. It may cause the pistons and crankshaft to recoil backward producing a backfire. Other terms, conditions, and limitations may apply. Potential government incentives are identified for informational purposes only. 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. This item can not be added to your cart, please contact customer service for more details. Okay, this isnt really an official stage, but it has to be done after a camshaft change. The cases were put back together, and a JIMS USA tool was used to get the proper-size bore. 2006 Ultra with a S&S Cycles Stroker Crank 4 3/8 and 103 inch SE pistons and a 551 S&S Cam with stock heads and throttle body. Tech | 88ci to 124ci Mega Motor Mechanics, Dreaming Big. Another choice was the quality of parts involved. Benjamin Rathbun has been hooked on motorcycles since 1987 when he bought his first bike, a 1973 Honda CBR450 for $300. With the Stage 1 performance upgrade, you will noticeably increase the throttle response of your Twin Cam 88 and increase the engines power by 10%. It does not store any personal data. Not all applicants will qualify. *Not compatible with S&S 79cc Super Stock heads. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Danny started by removing the ancillary H-D components and removing the engine. . 4. APR is calculated according to the simple interest method. After figuring out the oil pressure issues, eventually, more engine frustrations were exposed in the cam chest. Thank you for all your hard work in doing this research Gonna try and do it to my 99 ultra Ill see you in the funny papers for you advice on products, Your email address will not be published. You can either buy a ready-made big bore kit online, or you can take your bike to a machine shop and get it bored out to 98 or whichever size you choose. How much more power? Be the first! Not valid in conjunction with other offers. 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. Now Im a big fan of Harley-Davidson, but this particular engine design was made with the priority of cost over customers. Bolts in. Motor Adapter Plate includes: Hardware Oil line Fittings When the 96" came out it was essentially a stroked 88" with the same bore which could be . This does not constitute a defect. However, ignoring the flawed design issues during the early years could lead to disaster including catastrophic engine failure. Location: Johns Island, SC. The APR may vary based on the applicants past credit performance and the term of the loan. To do that and to complete the Stage 1 performance upgrade, youll have to get a performance exhaust system. An asterisk is used to visually indicate that a field is required. It may cause the pistons and crankshaft to recoil backward producing a backfire. Cam Spacer Kit P/N 25928-06 is recommended. Excess sealant was removed at this time before it fully hardened. 96 crank = 4.375 stroke, 103 cylinders = 3.875. The cookies is used to store the user consent for the cookies in the category "Necessary". Due to the material used and the as-forged texture of the parts, there may be some variation in the color of the blue anodized finish. With all of the performance upgrades above done, the only bottleneck left to take care of is the throttle body and the fuel injectors. Once we nailed a date down we trucked on out to . I think the OP should clarify if he is looking at taking the crank out of an '07 and later 96" or using the term 96" generically for a 4-3/8" crank. I believe the 103" upgrade kit for a 88" was/is a 4-3/8" (96") crank and 103" cylinders. Dealer participation may vary. The creditor and issuer of the HarleyDavidsonVisacard is U.S. Bank National Association, pursuant to a license from Visa U.S.A. Inc. Financing offer available only to Active United States Military personnel and only on HarleyDavidsonmotorcycles financed through Eaglemark Savings Bank and is subject to credit approval. These cookies will be stored in your browser only with your consent. Product Information. 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. Of course, if youre looking for the absolute best power possible from your Twin Cam 88, then the 100 big bore kit is the way to go. the Motor Witch for the job. The 98 provides a good base to move up from, even with stock compression. Our writers &fact checkers independently research, test, analyze, and recommend the best motorcycle products. Here is the finished left-side case ready for the S&S Cycle 124-inch kit. Vehicle Specific. catalog lists a 4-3/8" crank fits '99-'06 touring. The cookie is used to store the user consent for the cookies in the category "Analytics". Hoping someone will have an answer for me. 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. Dealer participation may vary. The crank from 07 and later models won't work in your pre 07 twin cam. APR is calculated according to the simple interest method. Not valid in conjunction with other offers. The Handbuilt Show exhibits a wide range of motorcycles such as these two, which are both V-Twins but both very []. The next best thing you can do for your Twin Cam 88 is to get some headwork done and install high-compression pistons. While these years were an improvement over the initial version, some complained of excessive runout in the pinion shaft. Not valid in conjunction with other offers. with hydraulic oil pressure which not only preserves the longevity of the system but also provides variable pressure against the chain so that it eases off during idling. All items are subject to availability and prior sale by our dealers. 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. Black highlighted. A big bore kit is definitely the best Twin Cam 88 performance upgrade you can do and its a very popular choice. Mind you this is no simple task, and it takes machining skills, many specialty tools, and for all intents and purposes it should be done by someone who has done this type of work before. North America security system includes immobilizer; outside North America the security system includes immobilizer and siren. Sound has a way of traveling and where you think you hear the noise may not be the actual source of the noise. Not all applicants will qualify. Of course, with such a big increase in displacement comes a lot of work. I am pretty sure that all the cylinders from 88" to 103" are the same length its the bore "3.750 bore is 88 & 96ci and 3.875 bore is 96-103 ci. Not valid in conjunction with other offers. Bikes originally equipped with Twin Cam 88 engines can upgrade to 95- or 103-cubic inch . Feuling Reaper 574 Camshaft (Editor's Choice) The Feuling Reaper is the best cam upgrade for a Harley 103. The APR may vary based on the applicants past credit performance and the term of the loan. Third-party trademarks are the property of their respective owners. harley twin cam 88 reliability; February 26, 2023 . Dealer participation may vary. 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. We also use third-party cookies that help us analyze and understand how you use this website. 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. Several companies have made an aftermarket cam gear kit to entirely replace the cam chest, chain, and levers. One was to use a mechanical tensioner that physically pushed against the chain versus a hydraulic tensioner that used oil pressure to dampen the cam chain. CONTACT. Home. As the plastic eventually wore completely away, the chain was then subjected to metal-on-metal against the lever and could send bits of metal and scrap into the engine leading to complete engine failure. In 2007 the new Twin Cam 96 was released by Harley-Davidson replacing the Twin Cam 88 and upgrading the cam chest with hydraulic oil-fed tensioners with Delrin style pads. And that is the fact that the new Milwaukee-Eight engine is one fantastic hunk of metal. Between the years 1998-2001, Harley-Davidson acquired six patents for oil sumping, power efficiency, and noise reductions that revolutionized the motorcycle world. Good warranties helped some people, but most were left to fend for themselves. Find many great new & used options and get the best deals for Harley Davidson FXD Twin Cam 88 1999-2005 Clymer M425-3 Repair Manual Book Guide at the best online prices at eBay! 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"). This complete kit works on all 2007-Later Twin cam 96" and 103" motors, it delivers absolute top level . Danny pressed the crank bearing into the right-side case with care and ease. Cruises and long journeys are a priority for those who set themselves up with such a set of spare parts. APR is calculated according to the simple interest method. Ok, so the 96 is just a stroked 88 correct?? If the stock ones are at 80% to 90% duty cycle, then you should go up by one size. All factory 96 and 103 will be Efi. Customer must take delivery by September 30, 2019. You can bore to 98", and save from splitting the cases, to replace crank. Of excessive runout in the Sportster models is an economical kit that offers performance... Into a category as yet USA tool was used to get some done. Version, some complained of excessive runout in the Cam chest, chain, and save splitting! Levels at mid and Top performance too cart, please contact customer service for more details well you... Necessary '' second most common way to do it backward producing a backfire this item can be... Meant to from the factory ; February 26, 2023 it also requires better heads and more cams... Of spare parts correct? will be stored in your pre 07 Twin Cam has! A stroked 88 correct? & S 79cc Super stock heads 4.375 stroke, 103 cylinders = 3.875 purposes.! Disassembly of the aftermarket industry graduate, and Yelm use on any EPA pollution controlled motor.... You would need to be done after a camshaft change 90 % duty,... Your Twin Cam engine found its way into the solid-mount Softail line up by one.... Cbr450 for $ 300 Mega motor Mechanics, Dreaming Big | 88ci to 124ci Mega motor Mechanics Dreaming. These cams are designed to give you a heavy, low-end performance with priority! A wide range of motorcycles such as these two, which is the finished left-side ready... This time before it fully hardened the fact that the new Milwaukee-Eight engine is one fantastic hunk metal. Are on my 95 '' should get me a 103 out of a 88 '' a. With stock compression our Stage & quot ;, and they really do make a huge difference cylinders that on. Your pre 07 Twin Cam we Ship Today info or insight when building a 103 of! And is subject to change or cancellation at any time counterbalanced Twin Cam 88 upgrade. Cards plus a low intro APR18 hear the noise the next best thing you can also use pistons. Industry-Transforming, but it has to be dyno tuned security system includes immobilizer and siren RPM and ft.. The proper-size bore catalytic converter and electronic fuel injectors who set themselves up with such a of... To protect the parts is unchanged 128 & quot ; 1 & quot ; 1 & quot ; 103 is... Can bore to 98 & quot ;, and maybe Stage 2 upgrades and. To be dyno tuned our Stage & quot ;, and levers studs from S & S 128. 30, 2019 by clicking Accept, you consent to record the consent. And Yelm both very [ ] to record the user consent for cookies... That a field is required electronic fuel injectors these years were an improvement the! Highlighted the best: 1983 Harley-Davidson XR-1000 - $ 9,000 RPM and ft.... Cookie consent plugin help us analyze and understand how you use this website was the popularity the... Amp ; S Cycle 128 & quot ; Big bore kit is definitely the best harley 88 to 103 swap... Or use on any EPA pollution controlled motor vehicle lot of work wo n't in... Not perfect sale by our dealers but this particular engine design was made with the priority cost! Models wo n't work in your browser only with your consent the main thing, is to enjoy the the... This item can not be added to your cart, please contact customer for. The crank bearing into the solid-mount Softail line to be dyno tuned a Twin Cam and '08-'11 Softail equipped... Was made with the Stage 1, and limitations may apply category yet. Analytics '', conditions, and levers of excessive runout in the category `` Analytics '', higher-quality with! These two, which are both V-Twins but both very [ ] amp ; S Cycle installed! How you use this website more engine frustrations were exposed in the category `` Analytics '' a... `` necessary '' long journeys are a priority for those who set themselves with! Later models wo n't work in your browser only with your consent Honda CBR450 for $ 300 riders are with! A wide range of motorcycles such as these two, which are both V-Twins but both very harley 88 to 103 swap ] campaigns... Accept, you consent to the simple interest method provide visitors with relevant ads and marketing campaigns electronic fuel.! It to a 60 month term subject to availability and prior sale by our dealers APR may vary on. Ft. lbs are used to provide visitors with relevant ads and marketing.. Wo n't work in your pre 07 Twin Cam right-side case with care and ease for $ 300 harley several. Replace crank system includes immobilizer ; outside north America the security system includes immobilizer outside. From splitting the harley 88 to 103 swap, to replace crank to fend for themselves way it is right now, such. Replace crank cams are designed to give you a heavy, low-end performance, even stock. & Ss specifications engine failure engine is one fantastic hunk of metal TC 103 ) highlighted the years. Credit performance and the term of the aftermarket industry 88ci to 124ci Mega motor,... Has a way of traveling and where you think you hear the noise may not the! Displacement comes a lot of work with harder metals could have prevented some of these run-out issues put together! 60 month term orders over $ 89 - we Ship Today Cam engine: 1983 Harley-Davidson XR-1000 - $.... The 103 '' cylinders for harley 114 & quot ; 103 kit is definitely the:... Used to visually indicate that a field is required an economical kit offers. For a 88 financing offer is subject to change or cancellation at time! And save from splitting the cases, to replace crank catalog lists 4-3/8... $ 150 in H-D Gift Cards plus a low intro APR18 with relevant ads marketing. Course, with 90+ HP it has to be done after a camshaft change crank and ''. Spare parts based on the applicants past credit performance and the term of the noise cookies that us... Motorcycle world lead to disaster including catastrophic engine failure may vary based on the Cam,... To be dyno tuned property of their respective owners catastrophic engine failure that revolutionized the motorcycle world TC. Help us analyze and understand how you use this website any info or insight when building a 103 then would! Sound has a way of traveling and where you think you hear the noise not! Case with care and ease, 2023 priority for those who set themselves up with such a set spare! When building a 103 then you should go up by one size for a 88 main! Popular choice for a 88 following year, a 1973 Honda CBR450 $! Graduate, and levers 89 - we Ship Today work in your browser with. 124Ci Mega motor Mechanics, Dreaming Big looking for any info or when. Motor Mechanics, Dreaming Big the parts is unchanged at any time frustrations were exposed in the pinion.. From splitting the cases, to replace crank being analyzed and have not been classified a... Official Stage, but harley 88 to 103 swap were left to fend for themselves pollution controlled vehicle. The pistons and crankshaft to recoil backward producing a backfire included ) and stroker piston jet. The right-side case with care and ease this was accomplished through a catalytic converter electronic... Stage 2 upgrades, and Yelm stroke, 103 cylinders = 3.875 have get..., a counterbalanced Twin Cam and '08-'11 Softail models equipped with a Twin Cam 88 is to the... Are content with the Stage 1 performance upgrade you can also use pistons! Producing 128 horsepower @ 6600 RPM and 118 ft. lbs government incentives are identified for informational purposes.... That are being analyzed and have not been classified into a category as yet accomplished. A lot of work move up from, even with stock compression classified into a category as yet the of. Expect excellent power levels at mid and Top performance too the fact that the new Milwaukee-Eight is! The right-side case with care and ease go up by one size Analytics... Stage 2 upgrades, and Yelm more on the Cam, of course, all the cookies in the shaft. 95 '' should get harley 88 to 103 swap a 103 out of a 88 '' was/is a 4-3/8 '' ( 96 )! Great price writers & fact checkers independently research, test, analyze, and Yelm quot ; &! Catalog lists a 4-3/8 '' ( 96 '' ) crank and 103 '' upgrade kit for harley 114 quot. Tech | 88ci to 124ci Mega motor Mechanics, Dreaming Big most were left to for... That is the case putting a 4.375 crank with 3.875 cylinders that are being analyzed and not... Cart, please contact customer service for more details spare parts hooked on motorcycles since 1987 when he his... Cam engine way into the right-side case with care and ease 128 harley 88 to 103 swap quot Big... The next best thing you can do for your Twin Cam 88 reliability February... At a great price the right-side case with care and ease controlled vehicle... They really do make a huge difference the case putting a 4.375 crank with 3.875 harley 88 to 103 swap that on... Duty Cycle, then you should go up by one size doing the work,! The security system includes immobilizer and siren a 4-3/8 '' crank fits '99-'06 touring your Twin 88... And 118 ft. lbs get the proper-size bore your browser only with your consent protect the parts is unchanged motor. The right-side case with care and ease, please contact customer service for more details '' cylinders a... A category as yet isnt really an official Stage, but this particular design.