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
V-Twin - 11-1107 - 900/1000cc Nitrate Steel Exhaust Valve
Sifton
$67.98V-Twin - 11-1107 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionSifton nitrate steel exhaust valve Fits:XL 1958-1985Additional Information$67.98 -
Out of stock
V-Twin - 11-1105 - 883cc to 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$630.87V-Twin - 11-1105 - 883cc to 1200cc Cylinder and Piston Conversion Kit BlackDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders...$630.87 -
Out of stock
V-Twin - 11-1104 - 883cc to 1200cc Cylinder and Piston Conversion Kit Silver
Motorshop
$617.12V-Twin - 11-1104 - 883cc to 1200cc Cylinder and Piston Conversion Kit SilverDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 silver finished cast cylinder with Sifton 9.5:1...$617.12 -
Out of stock
V-Twin - 11-1099 - 45 inch W/G Cylinder Set
Motorshop
$910.26V-Twin - 11-1099 - 45 inch W/G Cylinder SetDescriptionNew cylinders, front is OEM, rear is replica with casting numbers, intake nipples and valve guides installed.*NOTE: Cylinders must be fit to...$910.26 -
V-Twin - 11-1074 - Solid Tappet Adapter Set
Motorshop
$33.29V-Twin - 11-1074 - Solid Tappet Adapter Set Description Four piece solid tappet adapter set replaces hydraulic tappet inserts, and uses stock pushrods. Fits: FLT 1979-1983 FX 1971-1984 FXR...$33.29 -
Out of stock
V-Twin - 11-0944 - XL Pushrod Cover Kit - Fits 1991-2003 Harley-Davidson XL
V-Twin Mfg
$202.18Chrome billet pushrod cover set with base adapters allows adjustable pushrods to be used on 1991-2003 XL models.Kit includes alloy adapter bases with chrome steel tubes, inner sleeves, clips, cups...$202.18 -
Out of stock
V-Twin - 11-0904 - 61 inch Pushrod Cover Kit - Fits 1936-1939 Harley-Davidson EL (61")
V-Twin Mfg
$168.64Chrome kit includes upper and lower pushrod covers. Lower pushrod covers are steel as exact original. Fits:EL 1936-1939 61"Additional Information UOM$168.64 -
Out of stock
V-Twin - 11-0898 - Titanium Rocker Box Cover Set
Motorshop
$513.26V-Twin - 11-0898 - Titanium Rocker Box Cover SetDescriptionEvolution rocker box cover set is titanium coated.Sold as a pair. Fits:FLT 1984-1991FXR 1984-1991FLST 1986-1991FXST 1984-1991Additional...$513.26 -
Out of stock
V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit
Motorshop
$156.15V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit Description Pushrod cover kit includes upper and lower pushrod covers. Upper pushrod clips are stainless steel and do not have lance for removal. Lower...$156.15 -
Out of stock
V-Twin - 11-0893 - Titanium TC-88 Cam Cover
Motorshop
$138.50V-Twin - 11-0893 - Titanium TC-88 Cam CoverDescriptionTI coat TC-88 cam cover features titanium plating over chrome for a "machine" look. Fits:FXST 1999-2018FLST 1999-2016Additional Information$138.50 -
Out of stock
V-Twin - 11-0889 - 103 inch Twin Cam Piston Kit
Motorshop
$246.24V-Twin - 11-0889 - 103 inch Twin Cam Piston KitDescription103" moly coated piston kit. Pistons are .010" oversize and features a 3.875" bore. Fits:FLST 2007-2017FXD 2007-2017FLT 2006-2016FXST...$246.24 -
Out of stock
V-Twin - 11-0883 - 95 inch Big Bore Twin Cam Cylinder and Piston Kit
Motorshop
$1,019.67V-Twin - 11-0883 - 95 inch Big Bore Twin Cam Cylinder and Piston KitDescription95" Big Bore kit will increase TC-88 engines to 95". Kit includes silver cylinders with 10.5 forged pistons.Pistons are...$1,019.67 -
Out of stock
V-Twin - 11-0867 - XL Bare Rocker Box Set
Motorshop
$667.54V-Twin - 11-0867 - XL Bare Rocker Box SetDescriptionBare rocker box set polished as original in highlighted areas.For Ironhead models. *NOTE: Shafts, arms and internals are not included and must be...$667.54 -
Out of stock
V-Twin - 11-0864 - Cylinder Head Set With Rocker Assembly
Motorshop
$3,475.18V-Twin - 11-0864 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with natural finish. Head set includes valves, springs, collars, and...$3,475.18 -
Out of stock
V-Twin - 11-0863 - Chrome Shovelhead Top End Kit - Fits 1980-1984 Harley-Davidson FLT, 1971-1984 FX, 1982-1984 FXR, 1966-1984 FL
V-Twin Mfg
$2,431.85Top end kit includes pre fitted 80" cylinder set with 8:1 pistons, heads, chrome rocker boxes, cylinder base nuts, rocker box studs, nuts and top end gasket kit.Kit includes fully assembled late...$2,431.85 -
Out of stock
V-Twin - 11-0857 - Cylinder Head Set With Rocker Assembly
Motorshop
$4,154.69V-Twin - 11-0857 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with natural finish. Head set includes valves, springs, collars, polished...$4,154.69 -
Out of stock
V-Twin - 11-0855 - Polished Rocker Box Assembly Set
Motorshop
$398.40V-Twin - 11-0855 - Polished Rocker Box Assembly SetDescriptionFront and rear rocker box assembly set with polished aluminum highlights, as OEM, for XL models.Includes shafts, rocker arms, nuts and...$398.40 -
Out of stock
V-Twin - 11-0821 - Lower Valve Collar Kit
Sonnax
MSRP: $74.70$73.95V-Twin - 11-0821 - Lower Valve Collar KitDescriptionSifton lower collar and seal kit includes 4 lower collars machined to accept K line style seals. 2 intake seals and 2 exhaust seals included.Top of...MSRP: $74.70$73.95 -
Out of stock
V-Twin - 11-0796 - Nitrate Valve and Spring Kit
Sifton
$142.11V-Twin - 11-0796 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$142.11 -
Out of stock
V-Twin - 11-0595 - 883cc to 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$648.01V-Twin - 11-0595 - 883cc to 1200cc Cylinder and Piston Conversion Kit BlackDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders...$648.01 -
Out of stock
V-Twin - 11-0521 - Rocker Arm Front Exhaust Rear Intake
Motorshop
$82.96V-Twin - 11-0521 - Rocker Arm Front Exhaust Rear IntakeDescriptionReplica front exhaust and rear intake rocker arm come complete with bushings installed.Rocker arms are for generator and alternator...$82.96 -
Out of stock
V-Twin - 11-0510 - Big Bore Gasket and Parts Kit
Motorshop
$100.93V-Twin - 11-0510 - Big Bore Gasket and Parts KitDescriptionMagnum cylinder small parts kit is for installing 3-5/8" barrels on Shovelhead cases. Kit includes 2 head gaskets, base gaskets, 8 cylinder...$100.93 -
Out of stock
V-Twin - 11-0406 - Piston Kit .060 Oversize
Eastern Motorcycle Parts
$229.43V-Twin - 11-0406 - Piston Kit .060 OversizeDescription.060 piston kit comes with .060 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$229.43 -
Out of stock
V-Twin - 11-0405 - Piston Kit .050 Oversize
Motorshop
$156.33V-Twin - 11-0405 - Piston Kit .050 OversizeDescription.050 piston kit comes with .050 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$156.33 -
Out of stock
V-Twin - 11-0403 - Piston Kit .030 Oversize
Eastern Motorcycle Parts
$215.69V-Twin - 11-0403 - Piston Kit .030 OversizeDescription.030 piston kit comes with .030 thick piston rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast...$215.69 -
Out of stock
V-Twin - 11-0402 - Piston Kit .020 Oversize
Motorshop
$155.65V-Twin - 11-0402 - Piston Kit .020 OversizeDescription.020 piston kit comes with .020 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$155.65 -
Out of stock
V-Twin - 11-0401 - 45 inch WL/G Piston Kit .010 inch Oversize
Motorshop
$202.37V-Twin - 11-0401 - 45 inch WL/G Piston Kit .010 inch OversizeDescription.010 piston kit comes with .010 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut...$202.37 -
Out of stock
V-Twin - 11-0400 - 45 inch WL/G Piston Kit Standard
Motorshop
$144.99V-Twin - 11-0400 - 45 inch WL/G Piston Kit StandardDescriptionStandard piston kit with standard rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as...$144.99 -
Out of stock
V-Twin - 11-0386 - Replica 883cc Cylinder Black
Motorshop
$360.27V-Twin - 11-0386 - Replica 883cc Cylinder BlackDescriptionReplica Evolution 883cc black with silver finned cylinders are bored for standard pistons and require honing for final fitment. Fits:XL...$360.27 -
Out of stock
V-Twin - 11-0384 - 45 inch WL/G Piston Kit .005 inch Oversize
Motorshop
$330.54V-Twin - 11-0384 - 45 inch WL/G Piston Kit .005 inch OversizeDescription.005 oversize piston kit with rings, 2 wrist pins and 4 circlips, for 45" models.Kit includes hasting ring set with 3/32"...$330.54 -
Out of stock
V-Twin - 11-0379 - 45 inch Piston Kit Standard
Motorshop
$124.64V-Twin - 11-0379 - 45 inch Piston Kit StandardDescription45" standard piston kit is the original Harley-Davidson army surplus and includes the ring set.Sold as a set of 2. Fits:G 1936-1973W...$124.64 -
Out of stock
V-Twin - 11-0337 - 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$713.81V-Twin - 11-0337 - 1200cc Cylinder and Piston Conversion Kit BlackDescription1200cc XL conversion cylinder and piston set includes 2 black finished with milled silver finish edged fin cylinders with...$713.81 -
Out of stock
V-Twin - 11-0331 - 95 inch Big Bore Twin Cam Piston Kit Standard
Eastern Motorcycle Parts
$238.01V-Twin - 11-0331 - 95 inch Big Bore Twin Cam Piston Kit StandardDescription95" Big Bore piston kit is standard size for TC-88 models. Kit includes rings, clips, pins and 10.25:1 cast pistons.Order...$238.01 -
Out of stock
V-Twin - 11-0317 - Standard Size 80 inch Overhead Valve Piston Set
Motorshop
$151.15V-Twin - 11-0317 - Standard Size 80 inch Overhead Valve Piston SetDescriptionPiston set is standard size 3-1/2" diameter with a compression ratio of 7:1. Set includes Hasting's three piece ring sets,...$151.15 -
Out of stock
V-Twin - 11-0315 - M8 Cylinder Head D-Ring
V-Twin Mfg
$43.66V-Twin - 11-0315 - M8 Cylinder Head D-RingDescriptionCylinder head D-ring is used as a spacer between the cylinder head and valve cover. For M8 models. Fits:FXST 2017-UPFLT 2017-UPFLST 2017-UPFL...$43.66 -
Out of stock
V-Twin - 11-0313 - 74 inch Overhead Valve Piston Set .060 Oversize
Motorshop
$130.61V-Twin - 11-0313 - 74 inch Overhead Valve Piston Set .060 OversizeDescriptionPiston set 3-7/16" bore .060 oversize with compression ratio of 7.5:1. Set includes Hasting 3 piece rings, 2 wrist pins...$130.61 -
Out of stock
V-Twin - 11-0300 - 1000cc Piston Set Standard Size
Motorshop
$124.45V-Twin - 11-0300 - 1000cc Piston Set Standard SizeDescriptionPiston set 3-3/16" bore standard size has a compression ratio of 8.4:1. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips...$124.45 -
Out of stock
V-Twin - 11-0292 - 80 inch Evolution Piston Kit .005 Oversize
Motorshop
$142.11V-Twin - 11-0292 - 80 inch Evolution Piston Kit .005 OversizeDescriptionReplacement 80" Evolution piston kit. Pistons are .005 over size. Our kit includes 2 cast alloy pistons, Hasting ring set,...$142.11 -
Out of stock
V-Twin - 11-0285 - Upper Valve Collar Set Titanium Coated
Motorshop
$320.53V-Twin - 11-0285 - Upper Valve Collar Set Titanium CoatedDescriptionTitanium coated upper valve collar set for Evolution and TC-88 models.Set of four. Fits:FXD 1991-2004FXST 1984-2004FLST 1986-2004XL...$320.53 -
Out of stock
V-Twin - 11-0245 - Replica 883cc Piston Set .030 Oversize
Motorshop
$142.11V-Twin - 11-0245 - Replica 883cc Piston Set .030 OversizeDescriptionReplica 3" bore piston set is .030 oversize. Piston set includes Hasting rings, 2 wrist pins and 4 circlips. Pistons have a steel...$142.11
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.