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 - 09110055 - Piston Kit - 4.000" +0.010" - 114" Motor - M8
Drag Specialties
$180.15Drag Specialties - 09110055 - Piston Kit - 4.000" +0.010" - 114" Motor - M8FeaturesPistons are coated to extend piston life, reduces friction and allows for cooler running enginesIdeal for OEM...$180.15 -
Out of stock
Drag Specialties - 09110054 - Piston Kit - 4.000" +0.005" - 114" Motor - M8
Drag Specialties
$180.15Drag Specialties - 09110054 - Piston Kit - 4.000" +0.005" - 114" Motor - M8FeaturesPistons are coated to extend piston life, reduces friction and allows for cooler running enginesIdeal for OEM...$180.15 -
Out of stock
Drag Specialties - 09110051 - Piston Kit - 3.937" +0.010" - 107" Motor - M8
Drag Specialties
$180.15Drag Specialties - 09110051 - Piston Kit - 3.937" +0.010" - 107" Motor - M8FeaturesPistons are coated to extend piston life, reduces friction and allows for cooler running enginesIdeal for OEM...$180.15 -
Out of stock
Drag Specialties - 09110048 - Pistons - Big Bore
Drag Specialties
$131.53Drag Specialties - 09110048 - Pistons - Big BoreFeaturesBig Bore Piston for Twin CamSpecsBore Size Imperial<$131.53 -
Out of stock
Drag Specialties - 09110049 - Piston Kit - 3.937" Standard - 107" Motor - M8
Drag Specialties
$180.15Drag Specialties - 09110049 - Piston Kit - 3.937" Standard - 107" Motor - M8FeaturesPistons are coated to extend piston life, reduces friction and allows for cooler running enginesIdeal for OEM...$180.15 -
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 - 09110018 - Piston - Twin Cam
Drag Specialties
$135.63Drag Specialties - 09110018 - 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 - 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 - 07110222 - Oil Filter Line Kit - Chrome - Softail
Drag Specialties
$90.05Drag Specialties - 07110222 - Oil Filter Line Kit - Chrome - SoftailFeaturesKit includes OEM style chrome steel feed and return lines, one compression fitting, one seal , two seals with ferrule and...$90.05 -
Out of stock
Drag Specialties - 07110214 - Vent Line Retainer Assembly - Softail
Drag Specialties
$22.21Drag Specialties - 07110214 - Vent Line Retainer Assembly - SoftailFeaturesUsed on oil lines that run from the oil tank to the engineReplacement is recommended when oil lines are removedO-rings...$22.21 -
Out of stock
Drag Specialties - 07110213 - Oil Line Retainer Assembly - Softail
Drag Specialties
$22.21Drag Specialties - 07110213 - Oil Line Retainer Assembly - SoftailFeaturesUsed on oil lines that run from the oil tank to the engineReplacement is recommended when oil lines are removedO-rings...$22.21 -
Out of stock
Drag Specialties - 07110056 - Universal Oil Line - Stainless Steel - 24"
Drag Specialties
$39.17Drag Specialties - 07110056 - Universal Oil Line - Stainless Steel - 24"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$39.17 -
Out of stock
Drag Specialties - 07110055 - Universal Oil Line - Stainless Steel - 22"
Drag Specialties
$38.11Drag Specialties - 07110055 - Universal Oil Line - Stainless Steel - 22"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$38.11 -
Out of stock
Drag Specialties - 07110054 - Universal Oil Line - Stainless Steel - 20"
Drag Specialties
$37.05Drag Specialties - 07110054 - Universal Oil Line - Stainless Steel - 20"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$37.05 -
Out of stock
Drag Specialties - 07110049 - Universal Oil Line - Stainless Steel - 14"
Drag Specialties
$32.59Drag Specialties - 07110049 - Universal Oil Line - Stainless Steel - 14"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$32.59 -
Out of stock
Drag Specialties - 07110053 - Universal Oil Line - Stainless Steel - 18"
Drag Specialties
$34.63Drag Specialties - 07110053 - Universal Oil Line - Stainless Steel - 18"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$34.63 -
Out of stock
Drag Specialties - 07110052 - Universal Oil Line - Stainless Steel - 17"
Drag Specialties
$34.63Drag Specialties - 07110052 - Universal Oil Line - Stainless Steel - 17"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$34.63 -
Out of stock
Drag Specialties - 07110050 - Universal Oil Line - Stainless Steel - 15"
Drag Specialties
$33.87Drag Specialties - 07110050 - Universal Oil Line - Stainless Steel - 15"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$33.87 -
Out of stock
Drag Specialties - 07110046 - Universal Oil Line - Stainless Steel - 11"
Drag Specialties
$30.85Drag Specialties - 07110046 - Universal Oil Line - Stainless Steel - 11"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$30.85 -
Out of stock
Drag Specialties - 07110044 - Universal Oil Line - Stainless Steel - 9"
Drag Specialties
$30.69Drag Specialties - 07110044 - Universal Oil Line - Stainless Steel - 9"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$30.69 -
Out of stock
Drag Specialties - 07110043 - Universal Oil Line - Stainless Steel - 8"
Drag Specialties
$30.69Drag Specialties - 07110043 - Universal Oil Line - Stainless Steel - 8"FeaturesInclude 1/8" NPT chrome compression fittings for easy installationMeasured overall, including fittingsMade in the...$30.69 -
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 - 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
Drag Specialties - 07100153 - Custom Oil Dipstick - Peaked - Chrome - Dyna
Drag Specialties
$61.43Drag Specialties - 07100153 - Custom Oil Dipstick - Peaked - Chrome - DynaFeaturesChrome-plated with clean "peaked" design capExact replacement for OEM dipstickIncludes the swiveling dipstickSpecs$61.43 -
Out of stock
Drag Specialties - 07100146 - Custom Oil Dipstick - Peaked - Chrome - Softail
Drag Specialties
$70.97Drag Specialties - 07100146 - Custom Oil Dipstick - Peaked - Chrome - SoftailFeaturesChrome-plated with clean "peaked" design capExact replacement for OEM dipstickIncludes the swiveling dipstickSpecs$70.97 -
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
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.