Engine
8170 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 - 11-0492 - 900cc Rear Cylinder
Motorshop
$163.24V-Twin - 11-0492 - 900cc Rear CylinderDescriptionRear cylinder fits 1957-1971 XL 900cc models. Cylinders are for stock bore, stock stroke and compression.Cylinders must be honed to standard size for...$163.24 -
V-Twin - 11-0489 - 1000cc Rear Cylinder
Motorshop
$250.87V-Twin - 11-0489 - 1000cc Rear CylinderDescriptionRear cylinder fits 1972 XL 1000cc models. Cylinders are for stock bore, stock stroke and compression.Cylinders must be honed to standard size for...$250.87 -
V-Twin - 11-0488 - 1000cc Front Cylinder
Motorshop
$178.09V-Twin - 11-0488 - 1000cc Front CylinderDescriptionFront cylinder fits 1972 XL 1000cc models. Cylinders are for stock bore, stock stroke and compression.Cylinders must be honed to standard size for...$178.09 -
V-Twin - 11-0482 - 900cc Front Cylinder
Motorshop
$153.89V-Twin - 11-0482 - 900cc Front CylinderDescriptionFront cylinder fits 1957-1971 XL 900cc models. Cylinders are for stock bore, stock stroke and compression.Cylinders must be honed to standard size...$153.89 -
V-Twin - 11-0481 - 80 inch Shovelhead Front Cylinder
Motorshop
$252.86V-Twin - 11-0481 - 80 inch Shovelhead Front CylinderDescriptionGME 80" front replacement cylinder for 1979-1985 Shovelhead.GME front replacement cylinder is sold each without piston. The use of...$252.86 -
V-Twin - 11-0480 - Rocker Arm Kit
Motorshop
$644.62V-Twin - 11-0480 - Rocker Arm KitDescriptionPanhead rocker arm kit includes all pieces to completely assemble the rocker arms on both heads.Kit includes 4 rocker assemblies with matching fitted...$644.62 -
V-Twin - 11-0474 - 80 inch Shovelhead Rear Cylinder
Motorshop
$222.97V-Twin - 11-0474 - 80 inch Shovelhead Rear CylinderDescriptionGME 80" rear replacement cylinder for 1979-1985 Shovelhead models.GME 80" rear replacement cylinder is sold each without piston. The use...$222.97 -
V-Twin - 11-0461 - 74 inch Overhead Valve Forged Piston Set .060 Oversize
S&S Cycle
MSRP: $502.95$484.33V-Twin - 11-0461 - 74 inch Overhead Valve Forged Piston Set .060 OversizeDescriptionS&S forged .060 piston set for stroker flywheels.S&S stroker forged .060 piston set is machined to fit both 4-3/4"...MSRP: $502.95$484.33 -
V-Twin - 11-0455 - 74 inch Overhead Valve Forged Piston Set Standard Size
S&S Cycle
MSRP: $573.08$485.00V-Twin - 11-0455 - 74 inch Overhead Valve Forged Piston Set Standard SizeDescriptionS&S forged piston set 3-7/16" bore is standard size. Set includes rings, wrist pins and retainers. Machined to fit...MSRP: $573.08$485.00 -
V-Twin - 11-0441 - Replica 1100cc Piston Set .040 Oversize
Motorshop
$127.48V-Twin - 11-0441 - Replica 1100cc Piston Set .040 OversizeDescriptionReplica piston set is .040 oversize. Set includes Hasting 3 piece ring set, 2 wrist pins and 4 circlips.**Note: Run engine at...$127.48 -
V-Twin - 11-0440 - Replica 883cc Piston Set .040 Oversize
Motorshop
$109.93V-Twin - 11-0440 - Replica 883cc Piston Set .040 OversizeDescriptionReplica piston set is .040 oversize. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips.**Note: Run engine at moderate...$109.93 -
V-Twin - 11-0439 - 3-5/16 inch Piston Kit .080 Oversize
Motorshop
$233.98V-Twin - 11-0439 - 3-5/16 inch Piston Kit .080 OversizeDescriptionPiston set with 3-5/16" bore is .080 oversize. Set includes Hasting 3 piece ring set, 2 wrist pins and 4 circlips. Pistons have a...$233.98 -
V-Twin - 11-0438 - K-Model Piston Kit Standard
Eastern Motorcycle Parts
$250.87V-Twin - 11-0438 - K-Model Piston Kit StandardDescription2.745" bore piston kit, standard, includes rings. Fits:K 1952-1956Additional Information$250.87 -
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 - 11-0434 - K-Model Piston Kit .040 Oversize
Eastern Motorcycle Parts
$250.87V-Twin - 11-0434 - K-Model Piston Kit .040 OversizeDescriptionPiston kit .040, Bore 2.745", 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 - 11-0427 - 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
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.