Engine
8832 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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V-Twin - 10-0756 - Connecting Rod Wrist Pin Bushing Set
Motorshop
$42.58V-Twin - 10-0756 - Connecting Rod Wrist Pin Bushing SetDescriptionStandard bushings for piston pin.Set of two. ...$42.58 -
V-Twin - 10-0627 - Cam Chest Assembly Kit Panhead-Shovelhead
Motorshop
$710.84V-Twin - 10-0627 - Cam Chest Assembly Kit Panhead-ShovelheadDescriptionV-Twin Motor Shop cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton...$710.84 -
V-Twin - 10-0579 - Smooth Rocker Box Cover Set
Motorshop
$261.25V-Twin - 10-0579 - Smooth Rocker Box Cover SetDescriptionSmooth rocker box covers for XL models.Sold as a pair. Fits:XL 2004-UPAdditional Information <$261.25 -
V-Twin - 10-0520 - Sifton Tappet Roller Bearing Kit
Sifton
MSRP: $69.70$69.00V-Twin - 10-0520 - Sifton Tappet Roller Bearing KitDescriptionSifton repair kit includes 4 pins and 4 roller assemblies. Kit is the original 1929 design, as Torrington developed.This tappet roller...MSRP: $69.70$69.00 -
V-Twin - 10-0346 - Extreme Heavy Duty Left Side Main Bearing Kit
Eastern Motorcycle Parts
$111.55V-Twin - 10-0346 - Extreme Heavy Duty Left Side Main Bearing KitDescriptionExtreme duty left side main bearing kit is for all 2003-UP Twin Cam and M8 models. Includes bearing, spacer, thrust washers...$111.55 -
V-Twin - 10-0313 - Hydraulic Tappet Set
Sifton
$167.16V-Twin - 10-0313 - Hydraulic Tappet SetDescriptionFour piece Sifton hydraulic tappet set assembly has roller and pin installed. The outside diameter is 0.732" with an inner diameter of 12.94mm.Order...$167.16 -
V-Twin - 10-0260 - S&S Connecting Rod Set Heavy Duty
S&S Cycle
$614.15V-Twin - 10-0260 - S&S Connecting Rod Set Heavy DutyDescriptionSet is a heavy duty replacement and includes wrist pin bushings, rod races, matched rods, pins, rollers, cages and nuts for stock or...$614.15 -
V-Twin - 8860-8 - Cylinder Base Washer Tab Chrome
Colony Machine
$33.85V-Twin - 8860-8 - Cylinder Base Washer Tab Chrome Description Cylinder base washer tab, chrome for 1978-1984 Shovelhead Fits: FLT 1979-1983 FXR 1982-1983 FL 1978-1984 FX...$33.85 -
V-Twin - 8857-8 - Cylinder Base Stud Set
Colony Machine
MSRP: $44.04$43.15V-Twin - 8857-8 - Cylinder Base Stud Set Description Cylinder base stud set are heat treated black studs with an interference thread.*NOTE: Cylinder base studs should protrude 1-3/16" from case...MSRP: $44.04$43.15 -
V-Twin - 8728-12 - Pushrod Cover Seal Rubberized Cork
Colony Machine
MSRP: $14.72$14.56V-Twin - 8728-12 - Pushrod Cover Seal Rubberized Cork Description Rubberized cork pushrod cover seal. Fits: FL 1947-1978 FX 1971-1978 Additional InformationMSRP: $14.72$14.56 -
V-Twin - 8316 CHR - Stock Style Hardware Kit Chrome
Colony Machine
$282.94V-Twin - 8316 CHR - Stock Style Hardware Kit ChromeDescriptionStock hardware kit contains all the stock engine nuts, bolts, washers and studs for your engine.Includes primary cover screws, lifter...$282.94 -
V-Twin - 8314 CHR - Chrome Stock Style Hardware Kit
Colony Machine
$359.14V-Twin - 8314 CHR - Chrome Stock Style Hardware KitDescriptionStock hardware kit contains all the stock style engine nuts, bolts, washers and studs for your engine.Includes primary cover screws,...$359.14 -
V-Twin - 8224-8 - Rocker Shaft End Nut Stock Allen Type Chrome
Colony Machine
$51.48V-Twin - 8224-8 - Rocker Shaft End Nut Stock Allen Type ChromeDescriptionWhen restoring your Big Twin, don't overlook your rocker boxes. Replace the old rocker caps with our V-Twin chrome rocker...$51.48 -
V-Twin - 8204-4 - Solid Tappet Adapter Kit 4 Piece
Colony Machine
$45.17V-Twin - 8204-4 - Solid Tappet Adapter Kit 4 PieceDescriptionHydraulic tappet converter, 4 piece. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1953-1984Additional Information$45.17 -
V-Twin - 8116-1 - Chrome Motor Case Drain/Oil Pump Body Plug
Colony Machine
MSRP: $14.72$14.56V-Twin - 8116-1 - Chrome Motor Case Drain/Oil Pump Body PlugDescriptionChrome motor case drain/oil pump body plug Fits:UL 1937-1948 CaseF 1911-1920 CaseJ 1921-1929 CaseFL 1968-1984 Oil pumpFX...MSRP: $14.72$14.56 -
V-Twin - 7132-89 - S&S Crane Adjustable Pushrod 4 Piece Set
S&S Cycle
MSRP: $175.67$159.37V-Twin - 7132-89 - S&S Crane Adjustable Pushrod 4 Piece SetDescriptionS&S pushrod set contains 2 intake and exhaust pushrods which are made from 7/16" aircraft grade seamless 4130 chromoly steel...MSRP: $175.67$159.37 -
Drag Specialties - DS275104 - Custom Oil Filter Mount
Drag Specialties
$64.00Drag Specialties - DS275104 - Custom Oil Filter MountFeaturesFeatures 1/4" NPT fittings and may be used with 3/8" stainless steel or rubber linesAccepts all Evolution style oil filtersDesigned to...$64.00 -
Drag Specialties - DS194024 - Lifter Block - Black - Shovelhead
Drag Specialties
MSRP: $178.14$172.95Drag Specialties - DS194024 - Lifter Block - Black - ShovelheadFeaturesCome complete with two sets of Allen cap screws (1/4"-24 for 66-E76 and 1/4"-20 for L76-84), completely machined and ready for...MSRP: $178.14$172.95 -
Drag Specialties - DS190398 - Bolt Kit - Cam Cover - Knurled - Chrome - '93-'00 Harley-Davidson
Drag Specialties
$20.47Drag Specialties - DS190398 - Bolt Kit - Cam Cover - Knurled - Chrome - '93-'00 Harley-DavidsonFeaturesReplacement hardware for cam coverMade in the USASpecs$20.47 -
Drag Specialties - DS190398S - Bolt Kit - Cam Cover - Smooth - Chrome - '93-'00 Harley-Davidson
Drag Specialties
$23.71Drag Specialties - DS190398S - Bolt Kit - Cam Cover - Smooth - Chrome - '93-'00 Harley-DavidsonFeaturesReplacement hardware for cam coverMade in the USASpecs$23.71 -
Drag Specialties - 24011027 - Bolt Kit - Timer Cover - Black/Chrome - Knurled - M8
Drag Specialties
$13.99Drag Specialties - 24011027 - Bolt Kit - Timer Cover - Black/Chrome - Knurled - M8FeaturesMade in the U.S.A.Bolt kits for M8Specs$13.99 -
Trask - TM-018-RK - Assault Cam Cover Repair Kit - M8
Trask Performance
$39.95Trask - TM-018-RK - Assault Cam Cover Repair Kit - M8FeaturesIncludes everything to repair Trask Assault Series Cam CoversMade in the USACam covers (sold separately).Specs$39.95 -
S&S Cycle - 94-1290X - Replacement Piston Rings - 3.875" - Standard
S&S Cycle
$63.95S&S Cycle - 94-1290X - Replacement Piston Rings - 3.875" - StandardFeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$63.95 -
S&S Cycle - 94-1400X - Replacement Piston Rings - 4.125" - Standard
S&S Cycle
$63.95S&S Cycle - 94-1400X - Replacement Piston Rings - 4.125" - StandardFeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$63.95 -
S&S Cycle - 106-1724 - Back Plate Gasket - 0.0625" - Super E/G
S&S Cycle
$8.95S&S Cycle - 106-1724 - Back Plate Gasket - 0.0625" - Super E/G Features Backplate Gasket for S&S Super E/G and CV Adapter Made in the U.S.A. Specs$8.95 -
S&S Cycle - 50-8016 - Nitrile O-Ring
S&S Cycle
$6.95S&S Cycle - 50-8016 - Nitrile O-RingFeaturesO-Ring for Super E & G CarburetorsSpecsInside Diameter(-033)$6.95 -
S&S Cycle - 940-0012 - Replacement Piston Rings - 4.125" - +0.010"
S&S Cycle
$84.95S&S Cycle - 940-0012 - Replacement Piston Rings - 4.125" - +0.010"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$84.95 -
Hastings - 2M6127 - Piston Rings - 3.498" Standard - 80" Big Twin
Hastings
$87.21Hastings - 2M6127 - Piston Rings - 3.498" Standard - 80" Big TwinFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps in...$87.21 -
Feuling Parts - 3084 - Replacement Breather Line Kit for Vented Dipstick
Feuling
$59.95Feuling Parts - 3084 - Replacement Breather Line Kit for Vented DipstickFeaturesMade in the USAKit includes:One Filter elementOne Female quick disconnect breather line fittingTwo ZiptiesFits all...$59.95 -
Wiseco - K0213PS - Tracker™ Series Piston Kit - 3.498" - 883 cc Bored to 1200 cc - Standard - 883 XL
Wiseco
$268.95Wiseco - K0213PS - Tracker™ Series Piston Kit - 3.498" - 883 cc Bored to 1200 cc - Standard - 883 XLFeaturesForged piston crown with generous valve pockets for big valves and camsPrecision-fit rings...$268.95 -
Trask - TM-017CH - Assault Series Cam Cover - Chrome - Twin Cam
Trask Performance
$429.95Trask - TM-017CH - Assault Series Cam Cover - Chrome - Twin CamFeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecs$429.95 -
S&S Cycle - 90-4049 - Rocker Box Gasket Kit - Fits S&S billet Evolution Big Twin rocker boxes SUSPENSION
S&S Cycle
$91.95S&S Cycle - 90-4049 - Rocker Box Gasket KitFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecs$91.95 -
S&S Cycle - 90-4079 - Rocker Box Top Gasket
S&S Cycle
$19.95S&S Cycle - 90-4079 - Rocker Box Top GasketFeaturesReplacement seal for EVO Big Twin and S&S 4-1/8 bore motorsSpecs$19.95 -
S&S Cycle - 310-0641 - TC3 Oil Pump - Twin Cam
S&S Cycle
MSRP: $499.95$495.95S&S Cycle - 310-0641 - TC3 Oil Pump - Twin CamFeaturesThree stages for consistent pressure and reliable scavengingSeparate scavenge sections for flywheel cavity and cam chest (no interface)Screens...MSRP: $499.95$495.95 -
S&S Cycle - 94-2217X - Replacement Piston Rings - 3.5" - +.010
S&S Cycle
MSRP: $65.95$64.95S&S Cycle - 94-2217X - Replacement Piston Rings - 3.5" - +.010FeaturesReplacement rings sets for S&S pistons onlyRings come as a set for two pistonsMade in the U.S.A.SpecsMSRP: $65.95$64.95 -
S&S Cycle - 106-4381 - Camshaft Kit - 570C Chain Drive - Twin Cam
S&S Cycle
$399.95S&S Cycle - 106-4381 - Camshaft Kit - 570C Chain Drive - Twin Cam Features Designed for 88" to 103" CID engines with compression ratios between 9:1 and 10:1 Kit includes camshafts, gearcover...$399.95 -
Kibblewhite - 20-21012H - Valve - Intake - 1.571" - Standard - M8
Kibblewhite
$36.98Kibblewhite - 20-21012H - Valve - Intake - 1.571" - Standard - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA 360 anode is...$36.98 -
Hastings - 2M4985 - Piston Rings - 3.875" Standard - 95" Big Bore Twin Cam
Hastings
$92.40Hastings - 2M4985 - Piston Rings - 3.875" Standard - 95" Big Bore Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel...$92.40 -
K & N - KN-171C - Oil Filter - Chrome
K&N
$19.99K & N - KN-171C - Oil Filter - ChromeFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA...$19.99 -
Jims - 24334-36 - Wrist Pin Bushing - Big Twin
Jims
MSRP: $51.95$51.45Jims - 24334-36 - Wrist Pin Bushing - Big Twin Features Machined from solid bronze bar stock Hold concentricity to less than .0002" Lead-in edge for easy installation Made in the U.S.A...MSRP: $51.95$51.45
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.