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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S&S Cycle - 310-1010A - Cam Chest Kit with Plate - Gear Drive - Water Cooled - 475 Cam - Black Pushrods- M8
S&S Cycle
$1,924.95S&S Cycle - 310-1010A - Cam Chest Kit with Plate - Gear Drive - Water Cooled - 475 Cam - Black Pushrods- M8FeaturesAll parts in each kit are matched to ensure superior quality, fit, finish and...$1,924.95 -
S&S Cycle - 310-1002A - Cam Chest Kit with Plate - Gear Drive - Water Cooled - 475 Cam - Chrome Pushrods -M8
S&S Cycle
$1,924.95S&S Cycle - 310-1002A - Cam Chest Kit with Plate - Gear Drive - Water Cooled - 475 Cam - Chrome Pushrods -M8FeaturesAll parts in each kit are matched to ensure superior quality, fit, finish and...$1,924.95 -
S&S Cycle - 330-0546 - Cam Chest with Plate Kit - 585CE - Easy Start Cams - Twin Cam
S&S Cycle
MSRP: $2,529.95$2,025.95S&S Cycle - 330-0546 - Cam Chest with Plate Kit - 585CE - Easy Start Cams - Twin CamFeaturesUpgrade to S&S bolt-in performance camshaftsS&S Quickie pushrods - easy installation, without removing...MSRP: $2,529.95$2,025.95 -
S&S Cycle - 330-0647 - Camshaft Kit - 550G Gear Drive - M8
S&S Cycle
$465.95S&S Cycle - 330-0647 - Camshaft Kit - 550G Gear Drive - M8 Features Kit includes all required bearings, o-rings, and hardware Ideal horsepower cam for 114" and larger engines Maximizes peak...$465.95 -
S&S Cycle - 310-0856 - Crankcase - 4.125" Bore w/Stock Bolt Pattern - Wrinkle Black - Dyna
S&S Cycle
MSRP: $2,249.95$2,245.95S&S Cycle - 310-0856 - Crankcase - 4.125" Bore w/Stock Bolt Pattern - Wrinkle Black - DynaFeatures4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124,...MSRP: $2,249.95$2,245.95 -
S&S Cycle - 31-0078 - Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big Twin
S&S Cycle
MSRP: $2,099.95$1,995.95S&S Cycle - 31-0078 - Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big TwinFeatures3.625" big bore cylinder case for any stroke up to and including 5" and most stock length connecting...MSRP: $2,099.95$1,995.95 -
S&S Cycle - 310-0878 - Crankcase - 3.937" Bore - Alternator Style - Wrinkle Black - Dyna
S&S Cycle
MSRP: $2,249.95$2,195.95S&S Cycle - 310-0878 - Crankcase - 3.937" Bore - Alternator Style - Wrinkle Black - DynaFeatures4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or...MSRP: $2,249.95$2,195.95 -
S&S Cycle - 31-2100 - REED VALVE, 84-99 +.030
S&S Cycle
$171.95S&S Cycle - 31-2100 - REED VALVE, 84-99 +.030FeaturesNew-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the...$171.95 -
S&S Cycle - 310-0369 - Engine Case - 4.125" Bore w/Stock Stud Pattern - Wrinkle Black - Twin Cam
S&S Cycle
$2,155.95S&S Cycle - 310-0369 - Engine Case - 4.125" Bore w/Stock Stud Pattern - Wrinkle Black - Twin CamFeaturesReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Features greater...$2,155.95 -
S&S Cycle - 310-0742 - Breather Valve - Twin Cam
S&S Cycle
$152.95S&S Cycle - 310-0742 - Breather Valve - Twin CamFeaturesSolves the problem of oil carryover in Twin Cam "A" motors with stock oil pumpOil carryover is oil that comes out of your breather and all over...$152.95 -
S&S Cycle - 31-0055 - Engine Case - Super Stock® - 3.500" - Evolution Big Twin
S&S Cycle
$1,995.95S&S Cycle - 31-0055 - Engine Case - Super Stock® - 3.500" - Evolution Big TwinFeatures3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rodsMachined...$1,995.95 -
S&S Cycle - 92-1210 - Piston Kit - for 106" Stroker Kit - Standard
S&S Cycle
$546.95S&S Cycle - 92-1210 - Piston Kit - for 106" Stroker Kit - StandardFeaturesRequired for S&S 106" stock bore stroker kit with 4-1/2" stroke flywheelsCompatible with stock or S&S Super Stock® cylinder...$546.95 -
S&S Cycle - 31-2096 - REED VALVE, 93-99 STD
S&S Cycle
$165.95S&S Cycle - 31-2096 - REED VALVE, 93-99 STDFeaturesNew-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase...$165.95 -
S&S Cycle - 94-9254 - Wrist Pin Circlips - Harley Davidson
S&S Cycle
$7.95S&S Cycle - 94-9254 - Wrist Pin Circlips - Harley Davidson Features For use with S&S Cycle wrist pins Sold in pack of 4 Specs$7.95 -
S&S Cycle - 940-0060 - Ring Set - Fits use in S&S 124"/128"/131" M-Eight big bore kits (4.250" bore)
S&S Cycle
$168.95S&S Cycle - 940-0060 - Ring SetFeaturesComplete set of piston ringsMade in the U.S.A.SpecsUnits$168.95 -
S&S Cycle - 94-1213X - Replacement Piston Rings - 3.625" - +0.030"
S&S Cycle
MSRP: $65.95$64.95S&S Cycle - 94-1213X - Replacement Piston Rings - 3.625" - +0.030"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsMSRP: $65.95$64.95 -
S&S Cycle - 94-2209X - Replacement Piston Rings - 3.4375" - +0.090"
S&S Cycle
MSRP: $61.95$54.95S&S Cycle - 94-2209X - Replacement Piston Rings - 3.4375" - +0.090"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsMSRP: $61.95$54.95 -
S&S Cycle - 106-5225 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$1,070.95S&S Cycle - 106-5225 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000...$1,070.95 -
S&S Cycle - 920-0141 - Big Bore Piston Kit - 124" - +.010 - M8
S&S Cycle
$648.95S&S Cycle - 920-0141 - Big Bore Piston Kit - 124" - +.010 - M8FeaturesPiston kit includes set of pistons, rings, wristpins, and clipCompression ratios listed are approximate and are calculated using...$648.95 -
S&S Cycle - 920-0148 - Big Bore Piston Kit - 131" - +.010 - M8
S&S Cycle
$648.95S&S Cycle - 920-0148 - Big Bore Piston Kit - 131" - +.010 - M8FeaturesPiston kit includes set of pistons, rings, wristpins, and clipCompression ratios listed are approximate and are calculated using...$648.95 -
S&S Cycle - 920-0142 - Big Bore Piston Kit - 128" - +.010 - M8
S&S Cycle
$636.95S&S Cycle - 920-0142 - Big Bore Piston Kit - 128" - +.010 - M8FeaturesPiston kit includes set of pistons, rings, wristpins, and clipCompression ratios listed are approximate and are calculated using...$636.95 -
Revolution Performance, Llc - RP301-414W - Piston Kit - Dished - For 1250 cc Big Bore Cylinder Kit - XL883
Revolution Performance
$495.95Revolution Performance, Llc - RP301-414W - Piston Kit - Dished - For 1250 cc Big Bore Cylinder Kit - XL883Featuresrevolution performance logoTop-quality custom-forged piston kits manufactured with...$495.95 -
S&S Cycle - 106-5233 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$549.95S&S Cycle - 106-5233 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000...$549.95 -
S&S Cycle - 106-5807 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$549.95S&S Cycle - 106-5807 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000...$549.95 -
S&S Cycle - 106-5234 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$540.95S&S Cycle - 106-5234 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000...$540.95 -
S&S Cycle - 106-5737 - Easy Start Cam Kit
S&S Cycle
$1,070.95S&S Cycle - 106-5737 - Easy Start Cam KitFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without...$1,070.95 -
S&S Cycle - 106-4947 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$549.95S&S Cycle - 106-4947 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000...$549.95 -
S&S Cycle - 106-4383 - Camshaft Kit - 625C - Chain Drive - Twin Cam
S&S Cycle
$418.95S&S Cycle - 106-4383 - Camshaft Kit - 625C - Chain Drive - Twin Cam Features For 95" or larger engines with compression ratios between 10.0 to 10.75:1 High-lift springs and adjustable pushrods...$418.95 -
S&S Cycle - 106-4382 - Camshaft Kit - 585C - Chain Drive - Twin Cam
S&S Cycle
$399.95S&S Cycle - 106-4382 - Camshaft Kit - 585C - Chain Drive - Twin Cam Features Designed for 88" to 107" engines with compression ratios from 10.0:0 to 10.5:1 and 100" and 107" engines with...$399.95 -
S&S Cycle - 33-5268 - Camshaft Kit - 585G - Gear Drive -Twin Cam
S&S Cycle
$948.95S&S Cycle - 33-5268 - Camshaft Kit - 585G - Gear Drive -Twin Cam Features Designed for 88/96/103/110 cubic-inch engines with compression ratios from 10.0:1 to 10.5:1 Reverses the rear cam's...$948.95 -
S&S Cycle - 33-5269 - Camshaft Kit - 625G - Gear Drive - Twin Cam
S&S Cycle
$948.95S&S Cycle - 33-5269 - Camshaft Kit - 625G - Gear Drive - Twin Cam Features For 95/96/103 and 110 cubic inch engines with compression ratios from 10.0 to 10.75:1 Strongest from 3000-6000...$948.95 -
S&S Cycle - 33-5267 - Camshaft Kit - 570G Gear Drive - Twin Cam
S&S Cycle
$948.95S&S Cycle - 33-5267 - Camshaft Kit - 570G Gear Drive - Twin Cam Features Designed for 88" to 103" CID engines with compression ratios between 9:1 and 10:1 Strongest from 3200-3700 rpm Increases...$948.95 -
S&S Cycle - 106-4380 - Camshaft Kit - 510C Chain Drive - Twin Cam
S&S Cycle
$399.95S&S Cycle - 106-4380 - Camshaft Kit - 510C Chain Drive - Twin Cam Features Kit includes cams, gearcover gasket, bearings, retaining ring, o-ring, thread lock and instructions Bolt in cam for...$399.95 -
S&S Cycle - 33-5270 - 640G Gear Drive Cam Kit
S&S Cycle
$948.95S&S Cycle - 33-5270 - 640G Gear Drive Cam KitFeaturesFor 95/96/103/110 cubic-inch enginesCompression ratios from 10.5:1 to 11.5:1Strongest from 3000-6000 rpmHigh-lift springs and adjustable pushrods...$948.95 -
S&S Cycle - 33-5266 - Camshaft Kit - 510G Gear Drive - Twin Cam
S&S Cycle
$948.95S&S Cycle - 33-5266 - Camshaft Kit - 510G Gear Drive - Twin Cam Features Cams designed as bolt-in cam for 88\ Kit includes camshafts with inner gears, outer cam drive gear kit and camshaft...$948.95 -
S&S Cycle - 33-4285 - 4 Gear Cam Gear Drive Kit - Twin Cam
S&S Cycle
$634.95S&S Cycle - 33-4285 - 4 Gear Cam Gear Drive Kit - Twin CamFeaturesA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer...$634.95 -
S&S Cycle - 33-4160Z - Over Sized Pinion Gear
S&S Cycle
$132.95S&S Cycle - 33-4160Z - Over Sized Pinion GearFeaturesA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive...$132.95 -
S&S Cycle - 33-5124 - Camshaft - 510V - Evolution Big Twin
S&S Cycle
$255.95S&S Cycle - 33-5124 - Camshaft - 510V - Evolution Big Twin Features S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each...$255.95 -
S&S Cycle - 33-5108 - 640 Cam - Evolution
S&S Cycle
MSRP: $299.95$255.95S&S Cycle - 33-5108 - 640 Cam - EvolutionFeaturesS&S Cams are tested on the dyno, street and track before being offered to the publicWith hundreds of hours of testing on each cam, you know you are...MSRP: $299.95$255.95 -
S&S Cycle - 33-5212 - Cam Bearing Plate - Twin Cam
S&S Cycle
$13.95S&S Cycle - 33-5212 - Cam Bearing Plate - Twin CamFeaturesHeavy-duty steel cam bearing plate is recommended for use with all gear-drive cams and is included in S&S complete gear-drive cam kitsMade in...$13.95
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.