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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- Price
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Out of stock
Drag Specialties - DS193760 - Pushrod Tube Kit - Big Twin
Drag Specialties
$138.81Drag Specialties - DS193760 - Pushrod Tube Kit - Big TwinFeaturesKit includes upper and lower tubes, clips, cups, springs and washers (O-rings/corks sold separately)One kit will do a complete...$138.81 -
Out of stock
Drag Specialties - DS193761 - Pushrod Tube Kit - Big Twin
Drag Specialties
$120.79Drag Specialties - DS193761 - Pushrod Tube Kit - Big TwinFeaturesKit includes upper and lower tubes, clips, cups, springs and washers (O-rings/corks sold separately)One kit will do a complete...$120.79 -
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 - DS190995 - Bolts - Button Head/Assortment - Kit
Drag Specialties
$576.67Drag Specialties - DS190995 - Bolts - Button Head/Assortment - KitFeaturesKit contains bolts ranging in sizes from #8-32 to 3/8" - 24 in lengths up to 1"1/4\Made in the USASpecs$576.67 -
Out of stock
Drag Specialties - DS190994 - Bolt Set - Rocker Box - Knurled - '71-'76 Sportster
Drag Specialties
$44.23Drag Specialties - DS190994 - Bolt Set - Rocker Box - Knurled - '71-'76 SportsterFeaturesReplacement hardware for mounting the rocker boxMade in the USASpecs$44.23 -
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 - DS190878S - Bolt Set - Cam/Crankcase/Sprocket Cover - Socket-Head/Smooth - Sportster
Drag Specialties
$71.35Drag Specialties - DS190878S - Bolt Set - Cam/Crankcase/Sprocket Cover - Socket-Head/Smooth - SportsterFeaturesReplacement hardware for cam, crankcase, sprocket cover and rear master cylinder...$71.35 -
Out of stock
Drag Specialties - DS190875 - Bolt Kit - Cam Cover - Knurled - Chrome - '86-'90 Sportster
Drag Specialties
$14.65Drag Specialties - DS190875 - Bolt Kit - Cam Cover - Knurled - Chrome - '86-'90 SportsterFeaturesReplacement hardware for cam coverMade in the USASpecs$14.65 -
Out of stock
Drag Specialties - DS190874S - Bolt Kit - Complete Motor - Smooth/Socket-Head - '91-'03 Sportster
Drag Specialties
$316.00Drag Specialties - DS190874S - Bolt Kit - Complete Motor - Smooth/Socket-Head - '91-'03 SportsterFeaturesIncludes all necessary bolts to hold the engine togetherMade in the USASpecs$316.00 -
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 - DS190869S - Bolt Kit - Complete Motor - Smooth/Socket-Head - '89-'93 Softail
Drag Specialties
$246.19Drag Specialties - DS190869S - Bolt Kit - Complete Motor - Smooth/Socket-Head - '89-'93 SoftailFeaturesIncludes all necessary bolts to hold the engine togetherMade in the USASpecs$246.19 -
Out of stock
Drag Specialties - DS190869 - Bolt Kit - Complete Motor - Knurled/Socket-Head - '89-'93 Softail
Drag Specialties
$206.80Drag Specialties - DS190869 - Bolt Kit - Complete Motor - Knurled/Socket-Head - '89-'93 SoftailFeaturesIncludes all necessary bolts to hold the engine togetherMade in the USASpecs$206.80 -
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 - DS190821S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '36-'64 Harley-Davidson
Drag Specialties
$19.90Drag Specialties - DS190821S - Bolt Kit - Primary Cover Only - Socket-Head/Smooth - '36-'64 Harley-DavidsonFeaturesReplacement hardware for primary cover onlyMade in the USASpecs$19.90 -
Out of stock
Drag Specialties - DS190813 - Bolt Set - Rocker Box - Knurled - '84-'03 Harley-Davidson
Drag Specialties
$22.63Drag Specialties - DS190813 - Bolt Set - Rocker Box - Knurled - '84-'03 Harley-DavidsonFeaturesReplacement hardware for mounting the rocker boxMade in the USASpecs$22.63 -
Out of stock
Drag Specialties - DS190783 - Plug Set - Oil Pump - Socket-Head
Drag Specialties
$30.19Drag Specialties - DS190783 - Plug Set - Oil Pump - Socket-HeadFeaturesReplacement plugs for oil pumpMade in the USASpecs$30.19 -
Out of stock
Drag Specialties - DS190779 - End Plug - Rocker Arm Shaft - Socket-Head - 1/2"-20 - Fits 1971-1985 XL (/"-20); repl. OEM #17448-71A
Drag Specialties
$49.30Drag Specialties - DS190779 - End Plug - Rocker Arm Shaft - Socket-Head - 1/2"-20FeaturesReplacement end plugs for rocker arm shaftReplacement Part for OEM Number(s):1744871ASpecs$49.30 -
Out of stock
Drag Specialties - DS190767S - Bolt Kit - Motor - Smooth - FX/FL
Drag Specialties
$106.00Drag Specialties - DS190767S - Bolt Kit - Motor - Smooth - FX/FLFeaturesContain socket-head bolts for cam, primary, generator, sprocket, rocker box, top motor mount, lifter base, point or magneto...$106.00 -
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 - DS190757 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '36-'64 Harley-Davidson
Drag Specialties
$38.80Drag Specialties - DS190757 - Bolt Set - Cam/Primary/Inspection/Derby Cover - Knurled - '36-'64 Harley-DavidsonFeaturesReplacement hardware for cam, primary, inspection and derby coverMade in the...$38.80 -
Out of stock
Drag Specialties - DS190753 - Bolt Kit - Primary Side Cover/Cam Cover - Knurled - '67-'70 Sportster
Drag Specialties
$52.45Drag Specialties - DS190753 - Bolt Kit - Primary Side Cover/Cam Cover - Knurled - '67-'70 SportsterFeaturesReplacement hardware for cam and primary side covers with special tapered headsIncludes oil...$52.45 -
Out of stock
Drag Specialties - DS190751S - Bolt Set - Cam/Primary Cover - Socket-Head/Smooth - '71-'76 Sportster
Drag Specialties
$44.05Drag Specialties - DS190751S - Bolt Set - Cam/Primary Cover - Socket-Head/Smooth - '71-'76 SportsterFeaturesReplacement bolts for cam and primary coverIncludes oil check screwMade in the USASpecs$44.05 -
Out of stock
Drag Specialties - DS190752 - Bolt Kit - Primary Side Cover/Cam Cover - Knurled - '58-'69 Sportster
Drag Specialties
$38.80Drag Specialties - DS190752 - Bolt Kit - Primary Side Cover/Cam Cover - Knurled - '58-'69 SportsterFeaturesReplacement hardware for cam and primary side covers with special tapered headsIncludes oil...$38.80 -
Out of stock
Drag Specialties - DS190681 - Bolt Set - Lifter Base - Smooth/Socket-Head - '36-'76 Harley-Davidson
Drag Specialties
$37.75Drag Specialties - DS190681 - Bolt Set - Lifter Base - Smooth/Socket-Head - '36-'76 Harley-DavidsonFeaturesReplacement bolts for lifter baseMade in the USASpecs$37.75 -
Out of stock
Drag Specialties - DS190600 - Head Bolt Assortment - Hex - Coarse-Thread - Kit
Drag Specialties
$518.35Drag Specialties - DS190600 - Head Bolt Assortment - Hex - Coarse-Thread - KitFeaturesKit contains 1/4\Heat treated for strength and have a SHOW chromed finishMade in the USA7/16" and 1/2" bolts are...$518.35 -
Out of stock
Drag Specialties - DS190533S - Bolt - Socket-Head - Smooth - Assortment - UNC
Drag Specialties
$589.00Drag Specialties - DS190533S - Bolt - Socket-Head - Smooth - Assortment - UNCFeaturesKits contain 24 sizes of coarse-thread socket-head bolts ranging in size from 1/4" to 3/8"Made in the U.S.A.Specs$589.00 -
Out of stock
Drag Specialties - DS190533 - Bolt - Socket-Head - Knurled - Assortment - UNC
Drag Specialties
$479.80Drag Specialties - DS190533 - Bolt - Socket-Head - Knurled - Assortment - UNCFeaturesKits contain 24 sizes of coarse-thread socket-head bolts ranging in size from 1/4" to 3/8"Made in the U.S.A.Specs$479.80 -
Out of stock
Drag Specialties - DS190521 - Insert Nut - Assortment - Nylon
Drag Specialties
$225.70Drag Specialties - DS190521 - Insert Nut - Assortment - NylonFeaturesKit contains 11 sizes of coarse- and fine-thread insert nuts; 10-24, 10-32, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16,...$225.70 -
Out of stock
Drag Specialties - DS190137 - Nut Set - Cylinder Base
Drag Specialties
$22.63Drag Specialties - DS190137 - Nut Set - Cylinder BaseFeaturesIndividual acorn bolt and nut sets for specific applicationsMade in the U.S.A.Specs$22.63 -
Out of stock
Drag Specialties - DS190130 - Bolt Set - Acorn - Rocker Box
Drag Specialties
$74.50Drag Specialties - DS190130 - Bolt Set - Acorn - Rocker BoxFeaturesIndividual acorn bolt and nut sets for specific applicationsMade in the U.S.A.Specs$74.50 -
Out of stock
Drag Specialties - DS190115 - Head Bolt Set - Acorn
Drag Specialties
$75.55Drag Specialties - DS190115 - Head Bolt Set - AcornFeaturesIndividual acorn bolt and nut sets for specific applicationsMade in the U.S.A.Specs$75.55 -
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 - 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
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.