Engine
8284 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 - 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 - 50-8009 - Silicone O-Ring - 50-8009
S&S Cycle
$6.95S&S Cycle - 50-8009 - Silicone O-Ring - 50-8009FeaturesO-Ring for Super E & G CarburetorsSpecsInside Diameter Imp$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 -
Dakota Digital - SEN-1044 - Oil Temperature Sender for Bagger-Style Oil Pan - 3/8" NPT
Dakota Digital
$55.00Dakota Digital - SEN-1044 - Oil Temperature Sender for Bagger-Style Oil Pan - 3/8" NPTFeaturesOil temperature sensor screws into crankcase, oil reserve tank, or oil lineDrilling and tapping may be...$55.00 -
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 -
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 - 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 - 94-2216X - Replacement Piston Rings - 3.5" - Standard
S&S Cycle
MSRP: $65.95$64.95S&S Cycle - 94-2216X - Replacement Piston Rings - 3.5" - StandardFeaturesReplacement 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 -
Jims - 24002-70 - Sprocket Shaft Oil Seal Spacer - Fits 1970-1999 Big Twin (except Twin Cam); repl. OEM #24002-70 (Motor sprocket shaft spacer, 1970-1984)
Jims
MSRP: $43.95$43.65Jims - 24002-70 - Sprocket Shaft Oil Seal SpacerFeaturesMachined to a 32-micron, burr-free finish for extended seal lifeMade in the U.S.A.SpecsMSRP: $43.95$43.65 -
Feuling Parts - 3026 - Cylinder Stud Kit - Big Twin/Evolution
Feuling
$129.95Feuling Parts - 3026 - Cylinder Stud Kit - Big Twin/EvolutionFeaturesPrecision J-form threads for optimum engagement, to prevent galling and promote more consistent torque loadingSuperior in strength...$129.95 -
Feuling Parts - 3037 - Stud/Nut Kit - Rocker Arm Shaft Stud - M8
Feuling
$145.95Feuling Parts - 3037 - Stud/Nut Kit - Rocker Arm Shaft Stud - M8 Features Feuling® studs and nuts help relieve the stress put on the factory and SE cylinder heads, which have an extremely weak...$145.95 -
Feuling Parts - 3048 - Stud Kit - Exhaust - 12-Point - EVO
Feuling
$89.95Feuling Parts - 3048 - Stud Kit - Exhaust - 12-Point - EVOFeaturesQuality 12-point heat treated 8740 chrome moly steel bolts with black oxide finishFeatures precision rolled threads for optimum...$89.95 -
Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8
Feuling
$1,229.95Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8 Features Includes FUELING® High Flow billet camplate made from 7075 aluminum which is 50% harder and stronger than the...$1,229.95 -
Feuling Parts - 7078 - Chain Drive Conversion Kit - Twin Cam
Feuling
$49.95Feuling Parts - 7078 - Chain Drive Conversion Kit - Twin CamFeaturesChain drive conversion kit for '99-'06 Twin Cam with gear driven cams except '06 dynaMade in the USAFor use with PART #0932-0027...$49.95 -
Feuling Parts - 4018 - Lifters - Race Series® - Oversize - M8
Feuling
$299.95Feuling Parts - 4018 - Lifters - Race Series® - Oversize - M8FeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts and...$299.95 -
Feuling Parts - 4000 - Tappet Set - Twin Cam/M8
Feuling
$219.95Feuling Parts - 4000 - Tappet Set - Twin Cam/M8FeaturesPerformance hydraulic roller lifters dyno developed and track testedCNC-machined and precision groundWhen used with Feuling® oil pump, they will...$219.95 -
Feuling Parts - 4072 - HP+® Pushrods - Standard - Twin Cam
Feuling
$179.95Feuling Parts - 4072 - HP+® Pushrods - Standard - Twin CamFeaturesFeuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce...$179.95
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.