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 - 11-1297 - Knucklehead Cylinder Head Set
Motorshop
$3,853.31V-Twin - 11-1297 - Knucklehead Cylinder Head SetDescriptionKnucklehead cylinder head set features original cast iron construction with a black finish. Head set includes valves, springs, collars and...$3,853.31 -
Out of stock
V-Twin - 11-1293 - 74 inch Panhead Cylinder Set
Motorshop
$379.30V-Twin - 11-1293 - 74 inch Panhead Cylinder SetDescriptionReplica set includes the front and rear cylinders with OE style casting number code.The cylinders are bored and honed to 3.438" inner...$379.30 -
Out of stock
V-Twin - 11-1276 - Piston Kit .080 Oversize
Motorshop
$207.80V-Twin - 11-1276 - Piston Kit .080 OversizeDescriptionKit includes .080 pistons, thick ring set, wrist pin and lock piston that features a steel expansion strut cast in.Pistons have a steel expansion...$207.80 -
Out of stock
V-Twin - 11-1246 - M8 Lower Pushrod Cover Set Chrome
V-Twin Mfg
$56.91V-Twin - 11-1246 - M8 Lower Pushrod Cover Set ChromeDescriptionM8 lower pushrod cover set features a chrome finish.This lower pushrod cover set replaces OEM#25701000. Sold as a set of 4. Fits:FLST...$56.91 -
Out of stock
V-Twin - 11-1245 - Lower Pushrod Cover Chrome - Fits 1979-1985 Harley-Davidson XL (Late 1979)
V-Twin Mfg
$51.682023 New Production chrome lower pushrod covers.Sold as a set of 4. Fits:XL 1979-1985 Late 1979Additional Information OEM No.17937-79$51.68 -
Out of stock
V-Twin - 11-1237 - Billet Lower Pushrod Cover Set - Fits 1984-1999 Harley-Davidson FX, FL
V-Twin Mfg
$112.44Billet lower pushrod cover set features a natural alloy finish. Set fits Evolution models.Sold as a four piece set. Fits:FX 1984-1999FL 1984-1999Additional Information$112.44 -
Out of stock
V-Twin - 11-1235 - Sifton Billet Lower Pushrod Cover Set
Sifton
$112.44V-Twin - 11-1235 - Sifton Billet Lower Pushrod Cover SetDescriptionSifton billet lower pushrod cover set features a natural alloy finish. Set fits Panhead and Shovelhead motors. Fits:FX 1948-1978FL...$112.44 -
Out of stock
V-Twin - 11-1224 - M8 Cast Iron Intake Valve Guide
Kibblewhite
MSRP: $13.86$13.72V-Twin - 11-1224 - M8 Cast Iron Intake Valve GuideDescriptionCast iron intake valve guide is for M8 models and is .001" oversize. Fits:FLT 2017-UPAdditional InformationMSRP: $13.86$13.72 -
Out of stock
V-Twin - 11-1210 - Solid Tappet Screw Set - Fits 1936-1952 Harley-Davidson EL
V-Twin Mfg
$35.46Solid tappet screw set includes 4 screws with lock nut. Set is for solid puhsrods on Panhead, Knucklehead and Sportser. Fits:EL 1936-1940EL 1941-1952Additional Information$35.46 -
Out of stock
V-Twin - 11-1202 - 1200cc Cylinder and Piston Kit
Motorshop
$722.05V-Twin - 11-1202 - 1200cc Cylinder and Piston KitDescriptionMotorshop 1200cc cylinder kit includes Wiseco fitted 10.5:1 piston and ring sets to be used with 1200cc heads only.Can not be used as Big...$722.05 -
Out of stock
V-Twin - 11-1200 - 1200cc Cylinder and Piston Kit
Motorshop
$742.64V-Twin - 11-1200 - 1200cc Cylinder and Piston KitDescriptionMotorshop 1200cc cylinder kit includes Wiseco fitted 9:1 piston and ring sets to be used with 1200cc heads only.Can not be used as Big Bore...$742.64 -
Out of stock
V-Twin - 11-1178 - 3.437 inch Cylinder Sleeve
LA Sleeve
$149.05V-Twin - 11-1178 - 3.437 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.437" for 74" overhead valve cylindersUses 1-3/8" large hex 18mm plugs. Fits:FX 1971-1977FL 1941-1977Additional...$149.05 -
Out of stock
V-Twin - 11-1176 - 3.312 inch Cylinder Sleeve
LA Sleeve
$181.15V-Twin - 11-1176 - 3.312 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.312" for Knucklehead cylinders Fits:EL 1936-1940Additional Information$181.15 -
Out of stock
V-Twin - 11-1152 - Titanium Rocker Box Cover Set
Motorshop
$513.26V-Twin - 11-1152 - Titanium Rocker Box Cover SetDescriptionEvolution rocker box cover set is titanium coated.Sold as a pair. Fits:FXST 1992-1999FLST 1992-1999Additional Information$513.26 -
Out of stock
V-Twin - 11-1142 - 1936 Rocker Inner Nut Set
V-Twin Mfg
$97.74V-Twin - 11-1142 - 1936 Rocker Inner Nut Set Description 1936 rocker inner nut set.Sold as a 4 piece set. Fits: EL 1936-1936 Additional Information$97.74 -
Out of stock
V-Twin - 11-1115 - 883cc to 1200cc Cylinder and Piston Conversion Kit STD
Motorshop
$624.64V-Twin - 11-1115 - 883cc to 1200cc Cylinder and Piston Conversion Kit STDDescription883cc to 1200cc XL Conversion cylinder and piston set includes 2 silver finished cast cylinders with fitted Sifton...$624.64 -
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 -
Out of stock
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 - 11-0904 - 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 - 11-0434 - 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 -
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
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.