Engine
8379 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
-
Out of stock
Drag Specialties - DS750753 - Piston - XL
Drag Specialties
$108.07Drag Specialties - DS750753 - Piston - XLFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for...$108.07 -
Out of stock
Drag Specialties - DS750751 - Piston - XL
Drag Specialties
$108.07Drag Specialties - DS750751 - Piston - XLFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for...$108.07 -
Out of stock
Drag Specialties - DS750732 - Piston
Drag Specialties
$123.97Drag Specialties - DS750732 - PistonFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler...$123.97 -
Out of stock
Drag Specialties - DS750712 - Piston
Drag Specialties
$119.73Drag Specialties - DS750712 - PistonFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler...$119.73 -
Out of stock
Drag Specialties - DS750705 - Piston
Drag Specialties
$119.73Drag Specialties - DS750705 - PistonFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler...$119.73 -
Out of stock
Drag Specialties - DS750700 - Piston
Drag Specialties
$119.73Drag Specialties - DS750700 - PistonFeaturesOEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler...$119.73 -
Out of stock
Drag Specialties - DS750507 - Cylinder - 1340cc - 1984-1999 Big Twin
Drag Specialties
$254.35Drag Specialties - DS750507 - Cylinder - 1340cc - 1984-1999 Big TwinFeaturesReplacement cylinders feature ductile cast-iron sleeves in aluminum castingsSleeve has external ribs that “lock” the sleeve...$254.35 -
Out of stock
Drag Specialties - DS376502 - Rocker Cover Chrome - Evo/Big Twin
Drag Specialties
$351.87Drag Specialties - DS376502 - Rocker Cover Chrome - Evo/Big TwinFeaturesQuality construction with exact dimensions ensures a perfect, leakproof fitAvailable in chromeSold each, two required per...$351.87 -
Out of stock
Drag Specialties - DS330039 - Oil Plug - With Temperature Gauge - 2.87"
Drag Specialties
$41.29Drag Specialties - DS330039 - Oil Plug - With Temperature Gauge - 2.87"FeaturesSensitive to oil temperatures up to 350°FChrome gauge bezelReplacement Part for OEM Number(s):6289600Specs$41.29 -
Out of stock
Drag Specialties - DS289073 - Replacement Crankcase Dual Inlet Breather Filter
Drag Specialties
MSRP: $18.67$17.95Drag Specialties - DS289073 - Replacement Crankcase Dual Inlet Breather FilterFeaturesMeasures 1-1/2" length x 2" diameter, 3/8" inlet on each endSpecsMSRP: $18.67$17.95 -
Out of stock
Drag Specialties - DS193800 - Rocker Arm - Rear Exhaust/Front Intake - Shovelhead
Drag Specialties
$55.07Drag Specialties - DS193800 - Rocker Arm - Rear Exhaust/Front Intake - ShovelheadFeaturesOEM style rocker armsReplacement Part for OEM Number(s):1736066ASpecs$55.07 -
Out of stock
Drag Specialties - DS193801 - Rocker Arm - Front Exhaust/Rear Intake - Shovelhead
Drag Specialties
$55.07Drag Specialties - DS193801 - Rocker Arm - Front Exhaust/Rear Intake - ShovelheadFeaturesOEM style rocker armsReplacement Part for OEM Number(s):1737566ASpecs$55.07 -
Out of stock
Drag Specialties - DS193420 - Replacement Rocker Arm - Front Exhaust - XL
Drag Specialties
$87.93Drag Specialties - DS193420 - Replacement Rocker Arm - Front Exhaust - XLFeaturesOEM style rocker armsReplacement Part for OEM Number(s):1739457ASpecs$87.93 -
Out of stock
Drag Specialties - DS190979 - Assortment - Socket Head Plug - Tray
Drag Specialties
$188.95Drag Specialties - DS190979 - Assortment - Socket Head Plug - TrayFeaturesIncludes a convenient tray with 100 each of the 1/4\These won't fall out or come loose like plastic or aluminum with...$188.95 -
Out of stock
Drag Specialties - DS190880 - Bolt Set - Motor Mount - Knurled - Dyna/Softail
Drag Specialties
$28.03Drag Specialties - DS190880 - Bolt Set - Motor Mount - Knurled - Dyna/Softail Features Replacement hardware for the motor mount Made in the USA Specs$28.03 -
Out of stock
Drag Specialties - DS190877S - Bolt Set - Motor Mount - Smooth - Sportster
Drag Specialties
$114.43Drag Specialties - DS190877S - Bolt Set - Motor Mount - Smooth - SportsterFeaturesReplacement hardware for the motor mountMade in the USASpecs$114.43 -
Out of stock
Drag Specialties - DS190870 - Bolt Kit - Complete Motor - Knurled/Socket-Head - '87-'94 FXR/Touring
Drag Specialties
$180.31Drag Specialties - DS190870 - Bolt Kit - Complete Motor - Knurled/Socket-Head - '87-'94 FXR/TouringFeaturesIncludes all necessary bolts to hold the engine togetherMade in the USASpecs$180.31 -
Out of stock
Drag Specialties - DS190867 - Bolt Kit - Cam Cover - Smooth - Chrome - '70-'84 Harley-Davidson
Drag Specialties
$16.15Drag Specialties - DS190867 - Bolt Kit - Cam Cover - Smooth - Chrome - '70-'84 Harley-DavidsonFeaturesReplacement hardware for cam coverMade in the USASpecs$16.15 -
Out of stock
Drag Specialties - DS190863 - Bolt Set - Left Side Primary Cover/Crank/Shifter - Knurled
Drag Specialties
$53.95Drag Specialties - DS190863 - Bolt Set - Left Side Primary Cover/Crank/Shifter - KnurledFeaturesReplacement hardware for left side primary cover, crank and shifterMade in the USASpecs$53.95 -
Out of stock
Drag Specialties - DS190760 - Bolts - Motor - Socket-Head - XL
Drag Specialties
$85.27Drag Specialties - DS190760 - Bolts - Motor - Socket-Head - XLFeaturesContain socket-head bolts for cam, primary, generator, sprocket, rocker box, top motor mount, lifter base, point or magneto...$85.27 -
Out of stock
Drag Specialties - 24020071 - Rocker Box Cover - Twin Cam
Drag Specialties
$31.27Drag Specialties - 24020071 - Rocker Box Cover - Twin CamFeaturesMade in the U.S.A.SpecsBase FinishChrom$31.27 -
Out of stock
Drag Specialties - 24010696 - Bolt Covers - Engine - Chrome - XL
Drag Specialties
$49.63Drag Specialties - 24010696 - Bolt Covers - Engine - Chrome - XLFeaturesEasy to install with included detailed installation instructionsKits include motor bolt covers onlyBeautifully designed pieces...$49.63 -
Out of stock
Drag Specialties - 24010694 - Cover Bolt - Chrome
Drag Specialties
MSRP: $140.65$116.48Drag Specialties - 24010694 - Cover Bolt - ChromeFeaturesEasy to install with included detailed installation instructionsKit includes motor, transmission, primary, and select chassis bolt coversWell...MSRP: $140.65$116.48 -
Out of stock
Drag Specialties - 19020409 - Head Bolt Covers - Chrome
Drag Specialties
$49.63Drag Specialties - 19020409 - Head Bolt Covers - Chrome Features Comes with setscrews and hex wrench Die-cast aluminum Specs$49.63 -
Out of stock
Drag Specialties - 10120162 - Breather Bolts - Evolution Big Twin - 1/2"-13
Drag Specialties
$24.56Drag Specialties - 10120162 - Breather Bolts - Evolution Big Twin - 1/2"-13FeaturesChrome-plated hex-head breather boltsFits most supports and breather bracketsSpecs<$24.56 -
Out of stock
Drag Specialties - 09401991 - Cam Cover - Chrome - M8
Drag Specialties
$153.65Drag Specialties - 09401991 - Cam Cover - Chrome - M8FeaturesDie-cast aluminum constructionAccepts OEM-style time coversAccepts OEM gasket and mounting hardwareReplacement Part for OEM...$153.65 -
Out of stock
Drag Specialties - 09401875 - Lifter Cover - Chrome - Twin Cam
Drag Specialties
$113.37Drag Specialties - 09401875 - Lifter Cover - Chrome - Twin CamFeaturesMade from die-cast aluminumIncludes gaskets and screwsSold in pairsReplacement Part for OEM Number(s):1796499,1796699Specs$113.37 -
Out of stock
Drag Specialties - 09320304 - High Volume Oil Pump - M8 - without seal
Drag Specialties
$196.05Drag Specialties - 09320304 - High Volume Oil Pump - M8 - without seal Features 126% feed and 131% scavenge volume compared to OEM (stock) M8 fourth generation oil pumps at 1000 rpm 123% feed...$196.05 -
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
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.