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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V-Twin - 11-0437 - K-Model Piston Kit .070 Oversize
Eastern Motorcycle Parts
$249.38V-Twin - 11-0437 - K-Model Piston Kit .070 OversizeDescriptionPiston kit .070, 2.745" bore, includes rings. Fits:K 1952-1956Additional Information$249.38 -
V-Twin - 11-0436 - K-Model Piston Kit .060 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0436 - K-Model Piston Kit .060 OversizeDescriptionPiston kit .060, 2.745" bore, includes rings. Fits:K 1952-1956Additional Information$250.87 -
V-Twin - 11-0433 - K-Model Piston Kit .030 Oversize
Eastern Motorcycle Parts
$265.72V-Twin - 11-0433 - K-Model Piston Kit .030 OversizeDescriptionPiston kit .030, 2.745" bore, includes rings. Fits:K 1952-1956Additional Information$265.72 -
V-Twin - 11-0432 - K-Model Piston Kit .020 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0432 - K-Model Piston Kit .020 OversizeDescriptionPiston kit .020 oversize, 2.745" bore, includes rings. Fits:K 1952-1956Additional Information <$250.87 -
V-Twin - 11-0431 - K-Model 2-3/4 inch Piston Set .010 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0431 - K-Model 2-3/4 inch Piston Set .010 OversizeDescriptionPiston set has a 2-3/4" bore and is .010 oversize. Set includes 1 piece ring set, 2 wrist pins and 4 circlips. Fits:K...$250.87 -
V-Twin - 11-0430 - Replica 1000cc Piston Set .070 Oversize
Motorshop
MSRP: $71.37$70.83V-Twin - 11-0430 - Replica 1000cc Piston Set .070 OversizeDescriptionReplica piston set has a 3-3/16" bore and is .070 oversize . Set has a compression ratio of 8.4:1 and includes Hasting 3 piece...MSRP: $71.37$70.83 -
V-Twin - 11-0429 - 3-5/16 inch Piston Set .060 Oversize
Motorshop
$233.55V-Twin - 11-0429 - 3-5/16 inch Piston Set .060 OversizeDescriptionPiston set with 3-5/16" bore is .060 oversize. Set includes Hasting 3 piece ring set, 2 wrist pins and 4 circlips. Pistons have a...$233.55 -
V-Twin - 11-0428 - 3-5/16 inch Piston Set .040 Oversize
Motorshop
$233.55V-Twin - 11-0428 - 3-5/16 inch Piston Set .040 OversizeDescriptionPiston set with 3-5/16" bore is .040 oversize. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips. Pistons have a steel...$233.55 -
V-Twin - 11-0427 - 3-5/16 inch Piston Set .020 Oversize
Motorshop
$233.55V-Twin - 11-0427 - 3-5/16 inch Piston Set .020 OversizeDescriptionPiston set with 3-5/16" bore is .020 oversize. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips. Pistons have a steel...$233.55 -
V-Twin - 11-0426 - 61 inch Overhead Valve 3-5/16 inch Piston Set Standard Size
Motorshop
$233.55V-Twin - 11-0426 - 61 inch Overhead Valve 3-5/16 inch Piston Set Standard SizeDescriptionPiston set with 3-5/16" bore is standard size. Set includes Hasting 3 piece ring set, 2 wrist pins and 4...$233.55 -
V-Twin - 11-0424 - 3-7/16 inch Piston Set .070 Oversize
Eastern Motorcycle Parts
$274.63V-Twin - 11-0424 - 3-7/16 inch Piston Set .070 OversizeDescriptionPiston set 3-7/16" bore and is .070 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion...$274.63 -
V-Twin - 11-0423 - 3-5/16 inch Piston Set .080 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0423 - 3-5/16 inch Piston Set .080 OversizeDescriptionPiston set 3-5/16" bore is .080 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0422 - 3-5/16 inch Piston Set .070 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0422 - 3-5/16 inch Piston Set .070 OversizeDescriptionPiston set 3-5/16" bore is .070 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0421 - 3-5/16 inch Piston Set .060 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0421 - 3-5/16 inch Piston Set .060 OversizeDescriptionPiston set 3-5/16" bore is .060 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0419 - 3-5/16 inch Piston Set .040 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0419 - 3-5/16 inch Piston Set .040 OversizeDescriptionPiston set 3-5/16" bore is .040 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0418 - 3-5/16 inch Piston Set .030 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0418 - 3-5/16 inch Piston Set .030 OversizeDescriptionPiston set 3-5/16" bore is .030 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0417 - 3-5/16 inch Piston Set .020 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0417 - 3-5/16 inch Piston Set .020 OversizeDescriptionPiston set 3-5/16" bore is .020 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0416 - 3-5/16 inch Piston Set .010 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0416 - 3-5/16 inch Piston Set .010 OversizeDescriptionPiston set 3-5/16" bore is .010 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0415 - 3-5/16 inch Piston Set Standard Size
Eastern Motorcycle Parts
$250.87V-Twin - 11-0415 - 3-5/16 inch Piston Set Standard SizeDescriptionPiston set 3-5/16" bore is standard size. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$250.87 -
V-Twin - 11-0414 - 3-7/16 inch Piston Set .060 Oversize
Eastern Motorcycle Parts
$268.69V-Twin - 11-0414 - 3-7/16 inch Piston Set .060 OversizeDescriptionPiston set 3-7/16" bore is .060 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$268.69 -
V-Twin - 11-0413 - 3-7/16 inch Piston Set .050 Oversize
Eastern Motorcycle Parts
$268.69V-Twin - 11-0413 - 3-7/16 inch Piston Set .050 OversizeDescriptionPiston set 3-7/16" bore is .050 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$268.69 -
V-Twin - 11-0411 - 3-7/16 inch Piston Set .030 Oversize
Eastern Motorcycle Parts
$268.69V-Twin - 11-0411 - 3-7/16 inch Piston Set .030 OversizeDescriptionPiston set 3-7/16" bore is .030 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$268.69 -
V-Twin - 11-0410 - 3-7/16 inch Piston Set .020 Oversize
Eastern Motorcycle Parts
$268.69V-Twin - 11-0410 - 3-7/16 inch Piston Set .020 OversizeDescriptionPiston set 3-7/16" bore is .020 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$268.69 -
V-Twin - 11-0409 - 3-7/16 inch Piston Set .010 Oversize
Motorshop
$293.61V-Twin - 11-0409 - 3-7/16 inch Piston Set .010 OversizeDescriptionPiston set 3-7/16" bore is .010 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$293.61 -
V-Twin - 11-0404 - Piston Kit .040 Oversize
Motorshop
$155.65V-Twin - 11-0404 - Piston Kit .040 OversizeDescription.040 piston kit comes with .040 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$155.65 -
V-Twin - 11-0385 - 3-5/8 inch Cylinder Set
Motorshop
$697.21V-Twin - 11-0385 - 3-5/8 inch Cylinder SetDescriptionCylinders are .200 taller than stock height cylinders.For installation of 3-5/8" cylinders after spigot holes have been enlargedto 3.8750". (See...$697.21 -
V-Twin - 11-0383 - Rear 3-5/8 inch Cylinder
Motorshop
$258.39V-Twin - 11-0383 - Rear 3-5/8 inch CylinderDescriptionRear cylinder is stock height. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information$258.39 -
V-Twin - 11-0382 - Front 3-5/8 inch Cylinder
Motorshop
$258.39V-Twin - 11-0382 - Front 3-5/8 inch CylinderDescriptionFront cylinder is stock height. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984FLT 1979-1968Additional Information<$258.39 -
V-Twin - 11-0380 - 3-5/8 inch Cylinder Set
Motorshop
$452.76V-Twin - 11-0380 - 3-5/8 inch Cylinder SetDescriptionCylinders are stock height.For installation of 3-5/8" cylinders after spigot holes have been enlarged. (See diagram for photos.) *NOTE: 3-5/8"...$452.76 -
V-Twin - 11-0378 - Cylinder and Piston Conversion Kit
Motorshop
$671.78V-Twin - 11-0378 - Cylinder and Piston Conversion KitDescription883-1200cc conversion cylinder and piston kit features black cylinders with Sifton moly coated pistons.Kit is bolt on. Fits:XL...$671.78 -
V-Twin - 11-0377 - Cylinder and Piston Conversion Kit
Motorshop
$569.00V-Twin - 11-0377 - Cylinder and Piston Conversion KitDescriptionCylinder and piston conversion kit features silver finished cast cylinders with Sifton moly coated pistons. Fits:XL 2004-UPAdditional...$569.00 -
V-Twin - 11-0356 - Solid Tappet and Pushrod Assembly
Motorshop
MSRP: $331.85$317.37V-Twin - 11-0356 - Solid Tappet and Pushrod AssemblyDescriptionSifton tappet and pushrod assembly includes 4130 chromoly pushrods with black oxide finish, 4 solid tappets, 2 chrome tappet blocks,...MSRP: $331.85$317.37 -
V-Twin - 11-0350 - Hydraulic Tappet and Pushrod Assembly
Motorshop
$652.14V-Twin - 11-0350 - Hydraulic Tappet and Pushrod AssemblyDescriptionSifton tappet and pushrod assembly includes 4130 chromoly pushrods set with black oxide finish, 4 hydraulic tappets and chrome...$652.14 -
V-Twin - 11-0345 - Replica 80 inch Evolution Cylinder Black
Motorshop
$350.26V-Twin - 11-0345 - Replica 80 inch Evolution Cylinder BlackDescriptionReplica 80" black Evolution cylinder is sold each. Cylinder has glossy black finish with polished fins.Piston and rings are not...$350.26 -
V-Twin - 11-0344 - Replica 1200cc Silver Finish Cylinder
Motorshop
$238.44V-Twin - 11-0344 - Replica 1200cc Silver Finish CylinderDescriptionReplica Evolution 1200 silver cylinders are bored for standard pistons and require honing for final fitment. Fits:XL...$238.44 -
V-Twin - 11-0343 - Replica 1200cc Black Wrinkle Finish Cylinder
Motorshop
$338.87V-Twin - 11-0343 - Replica 1200cc Black Wrinkle Finish CylinderDescriptionReplica Evolution 1200 black wrinkle cylinders are bored for standard pistons and require honing for final fitment. Fits:XL...$338.87 -
V-Twin - 11-0342 - Replica 1200cc Silver Finish Cylinder
Motorshop
$284.08V-Twin - 11-0342 - Replica 1200cc Silver Finish CylinderDescriptionReplica Evolution 1200 silver cylinders are bored to 3.4995- 3.5000 for standard pistons and require final honing for fitment.Outer...$284.08 -
V-Twin - 11-0341 - Replica 883cc Silver Finish Cylinder
Motorshop
$128.92V-Twin - 11-0341 - Replica 883cc Silver Finish CylinderDescriptionReplica Evolution 883cc silver cylinders are bored for standard pistons and require honing for final fitment. Fits:XL...$128.92 -
V-Twin - 11-0336 - 1200cc Cylinder and Piston Conversion Kit Silver
Motorshop
$713.81V-Twin - 11-0336 - 1200cc Cylinder and Piston Conversion Kit SilverDescription1200cc XL Conversion cylinder and piston set includes 2 silver finished with milled edge fin cylinders with fitted Wiseco...$713.81 -
V-Twin - 11-0335 - Replica 1200cc Black Wrinkle Finish Cylinder
Motorshop
$313.38V-Twin - 11-0335 - Replica 1200cc Black Wrinkle Finish CylinderDescriptionReplica cylinder with a black wrinkle finish are 88.89-88.90 mm bore to fit Wisco pistons.Cylinders do not include pistons...$313.38
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.