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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Out of stock
Drag Specialties - 09330075 - Top Stabilizer Link - FLT/FXR
Drag Specialties
$86.87Drag Specialties - 09330075 - Top Stabilizer Link - FLT/FXRFeaturesIncludes mounting hardwareReplacement Part for OEM Number(s):1621979A,1621979B,1621979CSpecs$86.87 -
Out of stock
Drag Specialties - 09110093 - Piston Kit - +0.010 - XL 883 to 1200 Conversion
Drag Specialties
$167.43Drag Specialties - 09110093 - Piston Kit - +0.010 - XL 883 to 1200 ConversionFeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and...$167.43 -
Out of stock
Drag Specialties - 09110091 - Piston Kit - Standard - XL 883 to 1200 Conversion
Drag Specialties
$167.43Drag Specialties - 09110091 - Piston Kit - Standard - XL 883 to 1200 ConversionFeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and...$167.43 -
Out of stock
Drag Specialties - 09110092 - Piston Kit - +0.005 - XL 883 to 1200 Conversion
Drag Specialties
$167.43Drag Specialties - 09110092 - Piston Kit - +0.005 - XL 883 to 1200 ConversionFeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and...$167.43 -
Out of stock
Drag Specialties - 09110090 - Piston Kit - +0.010 - XL 883
Drag Specialties
$129.27Drag Specialties - 09110090 - Piston Kit - +0.010 - XL 883FeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and circlipsPiston...$129.27 -
Out of stock
Drag Specialties - 09110089 - Piston Kit - +0.005 - XL 883
Drag Specialties
$129.27Drag Specialties - 09110089 - Piston Kit - +0.005 - XL 883FeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and circlipsPiston...$129.27 -
Out of stock
Drag Specialties - 09110088 - Piston Kit - Standard - XL 883
Drag Specialties
$129.27Drag Specialties - 09110088 - Piston Kit - Standard - XL 883FeaturesIdeal for OEM replacementAccepts OEM or Hastings rings (sold separately)Kit includes two pistons, wrist pins and circlipsPiston...$129.27 -
Out of stock
Drag Specialties - 09110041 - Piston Kit - 3.750" Standard - 88" Motor -Twin Cam
Drag Specialties
$157.89Drag Specialties - 09110041 - Piston Kit - 3.750" Standard - 88" Motor -Twin CamFeaturesOEM-quality cast aluminum alloy constructionPiston for Twin Cam motorsIdeal for OEM replacementIncludes two...$157.89 -
Out of stock
Drag Specialties - 09110017 - Piston - Twin Cam
Drag Specialties
$135.63Drag Specialties - 09110017 - Piston - Twin CamFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows...$135.63 -
Out of stock
Drag Specialties - 07110042 - Oil Line Kit - Stainless Steel - Dyna
Drag Specialties
$129.27Drag Specialties - 07110042 - Oil Line Kit - Stainless Steel - DynaFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$129.27 -
Out of stock
Drag Specialties - 07110041 - Oil Line Kit - Stainless Steel - Sportster
Drag Specialties
$130.33Drag Specialties - 07110041 - Oil Line Kit - Stainless Steel - SportsterFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$130.33 -
Out of stock
Drag Specialties - 07110040 - Oil Line Kit - Stainless Steel - Sportster
Drag Specialties
$168.49Drag Specialties - 07110040 - Oil Line Kit - Stainless Steel - SportsterFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$168.49 -
Out of stock
Drag Specialties - 07110039 - Oil Line Kit - Stainless Steel - Sportster
Drag Specialties
$146.23Drag Specialties - 07110039 - Oil Line Kit - Stainless Steel - SportsterFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$146.23 -
Out of stock
Drag Specialties - 07110038 - Oil Line Kit - Stainless Steel - FXR
Drag Specialties
$174.85Drag Specialties - 07110038 - Oil Line Kit - Stainless Steel - FXRFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$174.85 -
Out of stock
Drag Specialties - 07110037 - Oil Line Kit - Stainless Steel - FXR
Drag Specialties
$174.85Drag Specialties - 07110037 - Oil Line Kit - Stainless Steel - FXRFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$174.85 -
Out of stock
Drag Specialties - 07110036 - Oil Line Kit - Stainless Steel - Softail
Drag Specialties
$144.11Drag Specialties - 07110036 - Oil Line Kit - Stainless Steel - SoftailFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$144.11 -
Out of stock
Drag Specialties - 07110035 - Oil Line Kit - Stainless Steel - Softail
Drag Specialties
$198.17Drag Specialties - 07110035 - Oil Line Kit - Stainless Steel - SoftailFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$198.17 -
Out of stock
Drag Specialties - 07110034 - Oil Line Kit - Stainless Steel - Softail
Drag Specialties
$167.43Drag Specialties - 07110034 - Oil Line Kit - Stainless Steel - SoftailFeaturesDirect replacements for OEM oil linesCompression and NPT fittings are chrome-platedMade in the USASpecs$167.43 -
Out of stock
Drag Specialties - 07100280 - Pop-Up Dipstick - Chrome - Sportster
Drag Specialties
$35.99Drag Specialties - 07100280 - Pop-Up Dipstick - Chrome - SportsterFeaturesSold eachReplacement Part for OEM Number(s):6300004bSpecs<$35.99 -
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 -
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 - 31-2068 - Lower End Gasket Kit - 4" and 4.125" Super Side Winder Plus
S&S Cycle
$63.95S&S Cycle - 31-2068 - Lower End Gasket Kit - 4" and 4.125" Super Side Winder PlusFeaturesContain the best quality gaskets availableMade in the U.S.A.Specs$63.95 -
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
Kb Performance - KB425C.020 - Piston Kit - 3.750" +0.020" - 8.8:1 CR - 88" Twin Cam
KB Performance
$287.95Kb Performance - KB425C.020 - Piston Kit - 3.750" +0.020" - 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.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 -
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
Jagg Oil Coolers - 211-JSSN06 - Oil Hose Upgrade Kit - Stainless Steel - 3'
Jagg Oil Coolers
$69.95Jagg Oil Coolers - 211-JSSN06 - Oil Hose Upgrade Kit - Stainless Steel - 3'FeaturesSets your bike apart and gives your Jagg oil cooler a racy look with performance braided oil hoses straight from the...$69.95 -
Out of stock
Goodridge - 822-06SCH - Oil Line Fitting - 90° - 1/4" NPT
Goodridge
MSRP: $15.47$14.95Goodridge - 822-06SCH - Oil Line Fitting - 90 - 1/4" NPTFeaturesFemale fittings match stainless steel braided hoses to form complete oil line assembliesMade in the USASpecsMSRP: $15.47$14.95 -
Out of stock
Goodridge - 823-06-02SCH - Oil Line Fitting - 45° - 1/8" NPT
Goodridge
MSRP: $15.47$14.95Goodridge - 823-06-02SCH - Oil Line Fitting - 45 - 1/8" NPTFeaturesFemale fittings match stainless steel braided hoses to form complete oil line assembliesMade in the USASpecsMSRP: $15.47$14.95 -
Out of stock
Cometic - C10377-030 - Head Gasket - 4.250" - .030" - Center Cooled - MLS - M8
Cometic
$59.95Cometic - C10377-030 - Head Gasket - 4.250" - .030" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$59.95 -
Out of stock
Cometic - C10377 - Head Gasket - 4.250" - .040" - Center Cooled - MLS - M8
Cometic
$59.95Cometic - C10377 - Head Gasket - 4.250" - .040" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...$59.95 -
Out of stock
Cometic - C9917 - Top End Gasket - 4" - S&S - Fits S&S Big Twin w/ 4.00" bore, S&S rocker box gaskets
Cometic
$142.75Cometic - C9917 - Top End Gasket - 4" - S&SFeaturesEST gasket kit includes embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber materialMaterial allows heat to be...$142.75 -
Out of stock
Bassani Xhaust - 1202P - O2 Sensor Port Plugs - 12 mm
Bassani Exhaust
$11.95Bassani Xhaust - 1202P - O2 Sensor Port Plugs - 12 mmFeaturesAllow non-sensor HD models to run newer-style exhaust systems equipped with O2 sensor portsSimply screw into non-essential sensor...$11.95 -
Out of stock
Bassani Xhaust - 102P2 - O2 Port Bung Adapter - 18 mm to 12 mm
Bassani Exhaust
$11.95Bassani Xhaust - 102P2 - O2 Port Bung Adapter - 18 mm to 12 mmFeaturesThreaded outer and inner adapters reduce O² sensor port from 18 mm to 12 mm allowing riders to use our exhaust pipes on select,...$11.95 -
Out of stock
Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"
Alloy Art
$20.95Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.Specs$20.95 -
Wiseco - S534 - Wrist Pin
Wiseco
$25.95Wiseco - S534 - Wrist PinFeaturesWiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesSpecs$25.95
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.