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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Out of stock
Drag Specialties - 07100115 - Custom Oil Dipstick - Peaked - Chrome - Touring/Trike
Drag Specialties
$62.49Drag Specialties - 07100115 - Custom Oil Dipstick - Peaked - Chrome - Touring/TrikeFeaturesChrome-plated with clean "peaked" design capExact replacement for OEM dipstickIncludes the swiveling...$62.49 -
Out of stock
Drag Specialties - 07100089 - Oil Tank Dipstick - Chrome - Softail
Drag Specialties
$27.51Drag Specialties - 07100089 - Oil Tank Dipstick - Chrome - SoftailFeaturesFeatures a 4.375” long swiveling dipstick1.45” diameter rubber plug body with a 1.75” diameter chrome capFits most '00-'17...$27.51 -
Out of stock
Tp Engineering - 45-4022-23 - Compression Release Brass with Brass Cap
Tp Engineering
$49.95Tp Engineering - 45-4022-23 - Compression Release Brass with Brass CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or threaded to accept any standard...$49.95 -
Out of stock
Tp Engineering - 45-4021-21 - Custom Manual Compression Release with Threaded End for Valve Stem Cap
Tp Engineering
$34.95Tp Engineering - 45-4021-21 - Custom Manual Compression Release with Threaded End for Valve Stem CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or...$34.95 -
Out of stock
Tp Engineering - 45-4020-21 - Manual Compression Release with Billet Cap
Tp Engineering
$34.95Tp Engineering - 45-4020-21 - Manual Compression Release with Billet CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or threaded to accept any standard...$34.95 -
Out of stock
Tp Engineering - 45-7102-23 - Rocker Box Gasket Kit - Evo
Tp Engineering
$55.95Tp Engineering - 45-7102-23 - Rocker Box Gasket Kit - EvoFeaturesDesigned only for TP Rocker boxes.Made in the U.S.A.Specs$55.95 -
Out of stock
Tp Engineering - 45-7101-23 - Rocker Box Gasket Kit - Twin Cam
Tp Engineering
$55.95Tp Engineering - 45-7101-23 - Rocker Box Gasket Kit - Twin CamFeaturesDesigned only for TP Rocker boxes.Made in the U.S.A.Specs$55.95 -
Out of stock
S&S Cycle - 94-1291X - Replacement Piston Rings - 3.875" - +0.010"
S&S Cycle
$61.95S&S Cycle - 94-1291X - Replacement Piston Rings - 3.875" - +0.010"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$61.95 -
Out of stock
S&S Cycle - 94-1294X - Replacement Piston Rings - 3.875" - +0.005"
S&S Cycle
$67.95S&S Cycle - 94-1294X - Replacement Piston Rings - 3.875" - +0.005"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$67.95 -
Out of stock
S&S Cycle - 94-1297X - Replacement Piston Rings - 3.875" - +0.020"
S&S Cycle
$75.95S&S Cycle - 94-1297X - Replacement Piston Rings - 3.875" - +0.020"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$75.95 -
Out of stock
Revolution Performance, Llc - RP9791-040-020 - Head and Base Gasket Kit - Fits 1250cc XL w/ 3 (/" bore)
Revolution Performance
$89.95Revolution Performance, Llc - RP9791-040-020 - Head and Base Gasket KitFeaturesrevolution performance logoMade in the U.S.A.revolution performance logoSpecs<$89.95 -
Out of stock
Revolution Performance, Llc - RP9925-036-030 - Gasket Kit - 117" - Twin Cam
Revolution Performance
$89.95Revolution Performance, Llc - RP9925-036-030 - Gasket Kit - 117" - Twin CamFeaturesrevolution performance logoMade in the U.S.A.revolution performance logoSpecs$89.95 -
Out of stock
S&S Cycle - 50-8334 - Magnetic Plug - 1/8" NPT
S&S Cycle
$15.95S&S Cycle - 50-8334 - Magnetic Plug - 1/8" NPTFeaturesOEM replacement NPT Plug for Big Twin/XL oil pumpsSpecsType$15.95 -
Out of stock
Revolution Performance, Llc - RP201-140TM - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - Screamin' Eagle 120R Twin Cam
Revolution Performance
$1,599.95Revolution Performance, Llc - RP201-140TM - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - Screamin' Eagle 120R Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum...$1,599.95 -
Out of stock
S&S Cycle - 90-4014 - Rocker Arm Bushing
S&S Cycle
$14.95S&S Cycle - 90-4014 - Rocker Arm BushingFeaturesReplacement bushing for S&S roller rocker armsMade in the U.S.A.Specs$14.95 -
Out of stock
S&S Cycle - 94-1214X - Replacement Piston Rings - 3.625" - +0.040"
S&S Cycle
$65.95S&S Cycle - 94-1214X - Replacement Piston Rings - 3.625" - +0.040"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecs$65.95 -
Out of stock
S&S Cycle - 31-0181A - Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam
S&S Cycle
MSRP: $2,182.95$2,155.95S&S Cycle - 31-0181A - Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin CamFeaturesReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and...MSRP: $2,182.95$2,155.95 -
Out of stock
S&S Cycle - 31-0172A - Engine Case - 3.750" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black -Twin Cam
S&S Cycle
MSRP: $2,427.95$2,195.95S&S Cycle - 31-0172A - Engine Case - 3.750" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black -Twin CamFeaturesReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and...MSRP: $2,427.95$2,195.95 -
Out of stock
Revolution Performance, Llc - RP301-124WR - Piston Kit - Domed - For 124R Big Bore Cylinder Kit - 120R Screamin Eagle
Revolution Performance
$627.95Revolution Performance, Llc - RP301-124WR - Piston Kit - Domed - For 124R Big Bore Cylinder Kit - 120R Screamin EagleFeaturesrevolution performance logoTop-quality custom-forged piston kits...$627.95 -
Out of stock
S&S Cycle - 106-0434 - Piston Kit - For 103" Hot Set Up Kit® - 3.875" - +0.010"
S&S Cycle
$467.95S&S Cycle - 106-0434 - Piston Kit - For 103" Hot Set Up Kit® - 3.875" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...$467.95 -
Out of stock
S&S Cycle - 310-1052B - 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,265.95$3,109.95S&S Cycle - 310-1052B - 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8FeaturesMade in the USABig Bore Kit107" to 124" Big bore kitBolt on kitNo case matching...MSRP: $3,265.95$3,109.95 -
Out of stock
S&S Cycle - 310-1050B - 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,265.95$3,109.95S&S Cycle - 310-1050B - 124" Power Package - Chain Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8FeaturesMade in the U.S.A.Big Bore Kit107" to 124" Big bore kitBolt on kit.No case...MSRP: $3,265.95$3,109.95 -
Out of stock
S&S Cycle - 310-1109B - 128" Power Package - Chain Drive - Black Granite with Highlighted Fins - 114"/117" M8
S&S Cycle
MSRP: $3,265.95$3,169.95S&S Cycle - 310-1109B - 128" Power Package - Chain Drive - Black Granite with Highlighted Fins - 114"/117" M8FeaturesMade in the USABig Bore KitBig-bore bolt-on kit increases 114"/117" with 4-1/2"...MSRP: $3,265.95$3,169.95 -
Out of stock
S&S Cycle - 310-1110A - 128" Power Package - Gear Drive - Black Granite with Highlighted Fins - 114"/117" M8
S&S Cycle
$3,460.95S&S Cycle - 310-1110A - 128" Power Package - Gear Drive - Black Granite with Highlighted Fins - 114"/117" M8FeaturesMade in the USABig Bore KitBig-bore bolt-on kit increases 114"/117" with 4-1/2"...$3,460.95 -
Out of stock
S&S Cycle - 310-1103B - 128" Power Package - Chain Drive - Wrinkle Black with Highlighted Fins - 114"/117" M8
S&S Cycle
MSRP: $3,265.95$3,169.95S&S Cycle - 310-1103B - 128" Power Package - Chain Drive - Wrinkle Black with Highlighted Fins - 114"/117" M8FeaturesMade in the USABig Bore KitBig-bore bolt-on kit increases 114"/117" with 4-1/2"...MSRP: $3,265.95$3,169.95 -
Out of stock
S&S Cycle - 310-1056B - 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,265.95$3,109.95S&S Cycle - 310-1056B - 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8FeaturesMade in the USABig Bore Kit107" to 124" Big bore kitBolt on kitNo case matching...MSRP: $3,265.95$3,109.95 -
Out of stock
S&S Cycle - 310-1054B - 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,265.95$3,169.95S&S Cycle - 310-1054B - 124" Power Package - Chain Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8FeaturesMade in the U.S.A.Big Bore Kit107" to 124" Big bore kitBolt on kit.No case machining...MSRP: $3,265.95$3,169.95 -
Out of stock
S&S Cycle - 310-1105B - 128" Power Package - Chain Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8
S&S Cycle
MSRP: $3,265.95$3,109.95S&S Cycle - 310-1105B - 128" Power Package - Chain Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8FeaturesMade in the USABig Bore KitBig-bore bolt-on kit increases 114"/117" with...MSRP: $3,265.95$3,109.95 -
Out of stock
S&S Cycle - 310-1059A - 124" Power Package - Gear Drive - Non-Highlighted Fins - Black Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,695.95$3,289.95S&S Cycle - 310-1059A - 124" Power Package - Gear Drive - Non-Highlighted Fins - Black Pushrod Tubes - 107" M8FeaturesMade in the USABig Bore Kit107" to 124" Big bore kitBolt on kitNo case matching...MSRP: $3,695.95$3,289.95 -
Out of stock
S&S Cycle - 310-1104A - 128" Power Package - Gear Drive - Wrinkle Black with Highlighted Fins - 114"/117" M8
S&S Cycle
MSRP: $3,460.95$3,359.95S&S Cycle - 310-1104A - 128" Power Package - Gear Drive - Wrinkle Black with Highlighted Fins - 114"/117" M8FeaturesMade in the USABig Bore KitBig-bore bolt-on kit increases 114"/117" with 4-1/2"...MSRP: $3,460.95$3,359.95 -
Out of stock
S&S Cycle - 310-1058A - 124" Power Package - Gear Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,460.95$3,359.95S&S Cycle - 310-1058A - 124" Power Package - Gear Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8 Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case...MSRP: $3,460.95$3,359.95 -
Out of stock
S&S Cycle - 310-1055A - 124" Power Package - Gear Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8
S&S Cycle
$3,427.95S&S Cycle - 310-1055A - 124" Power Package - Gear Drive - Highlighted Fins - Black Pushrod Tubes - 107" M8FeaturesMade in the U.S.A.Big Bore Kit107" to 124" Big bore kitBolt on kit.No case machining...$3,427.95 -
Out of stock
S&S Cycle - 310-1053A - 124" Power Package - Gear Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8
S&S Cycle
MSRP: $3,460.95$3,359.95S&S Cycle - 310-1053A - 124" Power Package - Gear Drive - Highlighted Fins - Chrome Pushrod Tubes - 107" M8FeaturesMade in the USABig Bore Kit107" to 124" Big bore kitBolt on kitNo case matching...MSRP: $3,460.95$3,359.95 -
Out of stock
Kb Performance - KB426C.010 - Piston Kit - 3.750" +0.010" - 10.5:1 CR - 88" Twin Cam
KB Performance
$295.95Kb Performance - KB426C.010 - Piston Kit - 3.750" +0.010" - 10.5:1 CR - 88" Twin CamFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...$295.95 -
Out of stock
Kb Performance - KB426C.005 - Piston Kit - 3.750" +0.005" - 10.5:1 CR - 88" Twin Cam
KB Performance
$281.29Kb Performance - KB426C.005 - Piston Kit - 3.750" +0.005" - 10.5:1 CR - 88" Twin CamFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...$281.29 -
Out of stock
Kb Performance - KB425C.STD - Piston Kit - 3.750" Standard - 8.8:1 CR - 88" Twin Cam
KB Performance
$287.95Kb Performance - KB425C.STD - Piston Kit - 3.750" Standard - 8.8:1 CR - 88" Twin CamFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...$287.95 -
Out of stock
Kb Performance - KB425C.005 - Piston Kit - 3.750" +0.005" - 8.8:1 CR - 88" Twin Cam
KB Performance
$287.95Kb Performance - KB425C.005 - Piston Kit - 3.750" +0.005" - 8.8:1 CR - 88" Twin CamFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...$287.95 -
Out of stock
Hastings - 2M6127030 - Piston Rings - 3.498" + 0.030" - 80" Big Twin
Hastings
$87.21Hastings - 2M6127030 - Piston Rings - 3.498" + 0.030" - 80" Big TwinFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps...$87.21 -
Out of stock
Jagg Oil Coolers - GK4600 - Replacement Gasket Service Kit
Jagg Oil Coolers
$10.95Jagg Oil Coolers - GK4600 - Replacement Gasket Service KitFeaturesService kit (repl. gasket) for oil filter adapterMade in the USASpecs<$10.95 -
Out of stock
Figurati Designs - FD100-M8-TBOLT-BLK - Engine Bolt Kit - Titanium/Race Black - M8
Figurati Designs
MSRP: $799.95$239.95Figurati Designs - FD100-M8-TBOLT-BLK - Engine Bolt Kit - Titanium/Race Black - M8FeaturesBolt and washers included for: crank case, lifter blocks, transmission bearing cover, rocker cover, cam...MSRP: $799.95$239.95
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.