Engine
8416 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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
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 -
WRONG PART NUMBER WITH DRAG Cometic - C10378-030 - Head Gasket - 4.310" - .036" - Center Cooled - MLS - M8
Cometic
$64.95Cometic - C10378-030 - Head Gasket - 4.310" - .036" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$64.95 -
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 -
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 -
S&S Cycle - 320-0350 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,795.95$1,695.95S&S Cycle - 320-0350 - Flywheel - Twin CamFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...MSRP: $1,795.95$1,695.95 -
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 -
Kb Performance - KB409C.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Twin Cam Big Bore
KB Performance
$236.95Kb Performance - KB409C.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum...$236.95 -
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 - 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 -
Feuling Parts - 1370 - Camshafts - 505/515 XL
Feuling
$459.95Feuling Parts - 1370 - Camshafts - 505/515 XLFeaturesProduce a wide powerband in stock enginesSplit lift camshaft produces a solid powerband with top fuel soundCan be used with stock pushrods and...$459.95 -
Feuling Parts - 8080 - Hydraulic Tensioner Kit for Conversion Style Camshafts - Stock Replacement T/C '07-'17 | Dyna '06
Feuling
$399.95Feuling Parts - 8080 - Hydraulic Tensioner Kit for Conversion Style Camshafts - Stock Replacement T/C '07-'17 | Dyna '06FeaturesKit allows engine builders to update early style mechanical cam chain...$399.95 -
Feuling Parts - 2070 - Camshaft Installation Kit - Chain Drive
Feuling
$99.95Feuling Parts - 2070 - Camshaft Installation Kit - Chain DriveFeaturesEach kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and...$99.95 -
Hastings - 2M4805 - Piston Rings - 3.750" Standard - 96" Twin Cam
Hastings
$107.08Hastings - 2M4805 - Piston Rings - 3.750" Standard - 96" Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps in...$107.08 -
Eastern Motorcycle Parts - A-6506 - Flywheel Thrust Washers - Fits L1970-1999 Big Twin (except Twin Cam)
Eastern Motorcycle Parts
$35.95Eastern Motorcycle Parts - A-6506 - Flywheel Thrust WashersFeaturesReplacement-type made from top-quality bronze and designed to meet or exceed OEM specificationsMade in the U.S.A.Replacement Part...$35.95 -
Colony - 8143-34 - Studs - Motor Case - Big Twin
Colony Machine
$64.95Colony - 8143-34 - Studs - Motor Case - Big Twin Features Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Replacement Part for OEM Number(s):...$64.95 -
Cometic - C10305 - Oil Pump Seal
Cometic
MSRP: $10.95$8.51Cometic - C10305 - Oil Pump SealFeaturesReplacement Oil Pump SealReplacement Part for OEM Number(s): 62400205SpecsMSRP: $10.95$8.51 -
Cometic - C9624F - Cam Service Gasket Kit - EVO Big Twin
Cometic
$26.95Cometic - C9624F - Cam Service Gasket Kit - EVO Big TwinFeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers...$26.95 -
Cometic - C9148 - Complete Gasket Kit - 3.750” - '06-'17 Dyna
Cometic
$225.95Cometic - C9148 - Complete Gasket Kit - 3.750” - '06-'17 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$225.95 -
Cometic - C9743 - Head Gasket - 4.125" x .040" - 117 - '99-'13 Twin Cam
Cometic
$64.95Cometic - C9743 - Head Gasket - 4.125" x .040" - 117 - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep,...$64.95 -
Cometic - C9664 - Cam Change Gasket Kit - Twin Cam
Cometic
$77.95Cometic - C9664 - Cam Change Gasket Kit - Twin CamFeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to do...$77.95 -
Cometic - C9891 - Motor Gasket Kit - Standard - EVO
Cometic
$197.95Cometic - C9891 - Motor Gasket Kit - Standard - EVOFeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$197.95
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.