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table of contents complete engine .6-7 exploded engine .8-9 oil pumps .10-11 billet oil filter mount .12-13 rocker boxes .14-15 about tp engineering tp engineering is the premier manufacturer of performance v-twin engines engine components and transmissions for the harley davidson aftermarket and custom motorcycle industry we manufacture and assemble our products in the u.s.a using the finest american materials available from u.s companies we proudly manufacture the finest v-twin engines to fit the motorcycles based upon the evo platform and five or six-speed transmissions for evo softtail® and rubber-mount applications in either left or right-side configurations all built for hot-street use we also manufacture the pro-series® line of engine components including patented pro-vent rocker boxes patented smart pump and classic oil pumps forged roller rocker arms and scramjet air cleaners f
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com our committment to quality our commitment tp engineering stands behind its products up to two years with unlimited mileage you probably won t need it but our warranty reflects our confidence in our pro-series® products reliability using both crankshaft and rear-wheel dynamometers we test our products and analyze the results to ensure our engines will exceed your expectations we use computer-assisted design and manufacturing technologies to make parts that are consistently machined to precise tolerances dedication our philosophy is simple we strive to manufacture the highest quality products and hold them to the highest standards in the marketplace total performance demands total dedication first and foremost strength our process for engineering our products is to provide strength and stability where needed and choose the best materials for each application to ensure smoothness quietness endurance and re
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp pro-series engines engineered from the inside out get ready to experience throttle response like you read about coupled with the smooth power delivery you ve always wanted thanks to tp s exclusive megatorque intake port and detonation-free combustion chamber riders will experience an arousing level of useable power across the engine s entire rpm range smooth quiet dependable power unmistakable good looks quality fit and finish it all adds up to the pro-series® experience tp engineering s pro-series® components are engineered specifically for the demands of high-performance applications and manufactured right here in the united states at our connecticut factory tp relies on no outside sources to produce their premium engines all engines include the innovations you ve come to expect from tp engineering the patented smart pump that routes oil to the oil filter before it enters the engine and delivers a cons
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp forged roller rocker arms forged 4140 steel for super strength 15-times stronger than cast roller tip for less drag solid bushing for extended life an explosion of tp power unique combustion chamber allows for the most efficient mix of fuel and air for the best performance burn tp patented pro-vent rocker boxes two-piece construction for rigidity and quiet running innovative design eliminates oil carry-over chrome billet aluminum construction tp valve springs shot peened heat treated and heat set top collars are titanium tp cylinder heads superior flow superior power push-button compression release for effortless starting tp pinion shaft tp engineering pinion shaft has four times more contact area than stock just compare crankcase new motor mount design better fitment for fxr® just compare the thickness of our casting next to any other tp stainless steel valves 20 increase in air movement over any other
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com how the tp smart pump works 1 oil is pumped from the oil tank by the smart pump s feed side tp pro series smart pump 2 oil is sent to the oil filter for cleaning 3 filtered oil re-enters the smart pump 4 oil is directed into the engine for lubrication via the patented three valve system 5 after lubrication,oil is pumped out of the engine by the return side of the smart pump 6 oil is pushed back to the oil tank from there the cycle repeats smart pump smart choice tp engineering s new smart pump is the first evo-style oil pump that allows only filtered oil into the engine by sending motor oil to the oil filter first the smart pump uses tp s patented three-valve design to ensure a constant flow of oil to the engine s bottom-end at any rpm and with the smart pump evo-style engine owners can finally benefit from using 5-micron twin cam® oil filters and trap particles eight times smaller than are possible with 40-m
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp pro-series billet oil filter mount pump filter connection diagrams clean look and clean oil sculpted from a solid block of aluminum in our connecticut factory and chromed to a mirrorfinish conceal your oil lines clamps and fittings for a super-clean look simple bolt-on installation for all evo engines with mounting bosses in the engine case hardware and fittings included tp smart pump connection 1 oil is pumped from the oil tank into the feed side of the oil pump 2 oil is sent out of the smart pump into the oil filter to be cleaned 3 clean oil is pumped back into the smart pump 4 the smart pump s patented threevalve design ensures a constant flow of oil to the bottom-end even at idle as it pumps clean oil into the engine for lubrication 5 oil is pumped out of the engine after lubricating the internals 6 the smart pump pumps the oil back to the oil tank tp classic pump connection 1 oil is pumped from the o
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp pro-vent rocker boxes rocker box oil separation vent system tp s patented pro-vent® system separates oil and air without any moving parts or one-way valves here s how it works 1 oily air is forced out of the crankcase and blown into the cam chest through the pushrod tubes and into the first chamber of the pro-vent® system 2 oily air is forced thru three entry holes that begin the process of extracting oil droplets from the vapor each surface touched by the breather gasses collects suspended oil an innovative fix for a dirty mess our patented design eliminates oil carry-over into your air filter without any moving parts pro-vent® rocker boxes were engineered as a two-piece design to provide a super-stable foundation for the rocker arms and to reduce the mechanical noise from the engine s valve train they are machined from 6061-t6 aluminum billet and chromed to a mirror-like finish put a set on your engine
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp pro series transmissions tp pro-series® transmission standard features tp transmissions are designed to handle engines outputting high horsepower 1 tp pro-series fxst and fxr-style transmission cases are designed with extra material in high stress areas and poured in the usa in a356-t6 aircraft-grade aluminum we precision-machine them on our cnc mills for consistency all transmission cases are available with access holes for an electronic speedometer sensor 2 american made close ratio gear sets 2.94:1 machined lead-in ramps for quick positive shifting plus reduced wear on drive dogs and slots 2.94:1 first gear set closes the gaps for close ratio first-to-second shifting and about 5 mph more first gear speed 3 our own uniquely designed and manufactured chrome billet transmission end cover with center fill and level site made from 6061-t6 4 tp pro-series® chrome plated trap door is made from 6061-t6 aluminu
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp scramjet air cleaners engines need to breathe to make power let yours breathe deep and make the most power it can with a scramjet air cleaner scramjet air cleaners deliver true bolt-on power tp45-0400-20 classicscramjet tpwithmikunicarb tp45-0401-20 openscramjet tpwithmikunicarb tp45-0410-20 classicscramjet tpwiths&scarb tp45-0411-20 openscramjet tpwiths&scarb tp45-0420-20 classicscramjet h-dtwincamwithkeihincarbordelphiefi tp45-0421-20 openscramjet h-dtwincamwithkeihincarbordelphiefi tp45-0450-20 washablefilterelementallscramjets tp45-0451-20 carbon-impregnatedfilterelementallscramjets tp engineering does not endorse the use of velocity stacks use of will void our warranty our scramjet air cleaner features a machined billet-aluminum backing plate and chromed die-cast cover with a unique air scoop that aids breathing for superior perfo
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com tp compression releases tp forged roller rockers unsurpassed strength tp engineering s roller rocker arms are forged from 4140 steel cnc machined for a perfect fit and shot-peened for additional strength they include solid bronze bushings for extended life our roller tips reduce operating friction so well they can give extra horsepower over your stock rockers strongest rocker arms money can buy guaranteed not to break smooth start-ups give your starter a helping hand with pro-series® compression releases available with either a machined billet top or a customizable shrader-threaded top that lets you install your favorite tire valve-stem cap just push the button before you hit the starter and these valves will release just enough pressure to make starting your engine a breeze as soon as the engine starts our pro-series® compression releases will reset themselves automatically tp engineering also offers machine
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toll free 866.873.6446 · outside the usa 203.744.4960 · www.tpengineering.com pro-series engine stand tp performance kit our one-piece steel stand is just what you need to hold your engine when its out of the bike designed for evolution-style big twin engines it s great for use during assembly/disassembly and for storage the finish is clambake grey powder-coat 90-9200-00pro-series®enginestand bolt on performance pro-series® engines are engineered for hot street use for those of you who want all the power your engine is capable of tp engineering offers a number of performance parts and services to help your engine reach it s full potential tp engineering offers highcompression piston kits performance-grind camshafts performance ignitions and shop services to get you to point b quicker contact our service department and let our knowledgeable staff explain your options disclaimer harley®,harleydavidson®,h-d®,dynaglide®,softtail®,twincam® shovelhead®,evolution®andbigtwin®areregisteredtrade
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the last word as an american motorcycle enthusiast and one of our valued family we have some family values we want you to know about it s who we are the mass production and mass sales of custom motorcycle components is upon us there are at least ten other companies producing products that have a look similar to that of the mighty v-twin many if not all of these companies are either partially or completely manufacturing their products outside of the usa primarily in asian countries the unabashed outsourcing and sale of america has finally infiltrated even this the american custom motorcycle world to some of us this is sacreligious now more than ever we at tp engineering are required to differentiate ourselves we have invested in the idea that you the enthusiast place an importance on high quality and innovation we have chosen not to compete with these companies based strictly on their import price instead our approach is to manufacture engines and components that are technologically su
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