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 - 11-2257 - 80 inch Evolution Piston Kit Standard
Keith Black
$279.06V-Twin - 11-2257 - 80 inch Evolution Piston Kit Standard Description Keith Black piston set is standard size and is for a 3.498" bore. Piston set has a compression of 9.6:1 and includes rings.The...$279.06 -
Out of stock
V-Twin - 11-2255 - 80 inch FLH-FX Piston Set .030 Oversize
Keith Black
$287.36V-Twin - 11-2255 - 80 inch FLH-FX Piston Set .030 Oversize Description The Keith Black 390 hypereutectic 3.5" bore piston set has a 8.3:1 compression ratio and is oversize .030. Piston set alloy is...$287.36 -
Out of stock
V-Twin - 11-2205 - 74 inch FLH-FX Piston Set .040 Oversize
Keith Black
$285.46V-Twin - 11-2205 - 74 inch FLH-FX Piston Set .040 Oversize Description Keith Black 390 hypereutectic piston set is .040 oversize and is for 3.438" bore. Pistons have a compression of 9.0:1.**Note:...$285.46 -
Out of stock
V-Twin - 11-1866 - M8 Rocker Box Screw Kit Chrome
V-Twin Mfg
$62.26V-Twin - 11-1866 - M8 Rocker Box Screw Kit ChromeDescriptionRocker box screw kit features a chrome finish and is for use on M8 models. Fits:FLST 2018-UPFLT 2017-UPFXST 2018-UPAdditional Information$62.26 -
Out of stock
V-Twin - 11-1865 - M8 Rocker Box Screw Kit Black Oxide
V-Twin Mfg
$62.26V-Twin - 11-1865 - M8 Rocker Box Screw Kit Black OxideDescriptionRocker box screw kit features a black oxide finish and is for use on M8 models. Fits:FLST 2018-UPFLT 2017-UPFXST 2018-UPAdditional...$62.26 -
Out of stock
V-Twin - 11-1863 - 96 inch Twin Cam Piston Ring Set .005 Oversize
Rowe
MSRP: $83.23$82.40V-Twin - 11-1863 - 96 inch Twin Cam Piston Ring Set .005 OversizeDescriptionRowe piston ring set is for 3-3/4" bore and is .005 oversize. Features moly top compression rings and 3 piece chrome oil...MSRP: $83.23$82.40 -
Out of stock
V-Twin - 11-1861 - 95 inch Big Bore Twin Cam Piston Ring Set .010 Oversize
Rowe
$87.35V-Twin - 11-1861 - 95 inch Big Bore Twin Cam Piston Ring Set .010 OversizeDescriptionRowe piston ring set is for 3.875" bore and is .010 oversize. Features moly top compression rings and 3 piece...$87.35 -
Out of stock
V-Twin - 11-1860 - 95 inch Big Bore Twin Cam Piston Ring Set .005 Oversize
Rowe
$98.90V-Twin - 11-1860 - 95 inch Big Bore Twin Cam Piston Ring Set .005 OversizeDescriptionRowe piston ring set is for 3.875" bore and is .005 oversize. Features moly top compression rings and 3 piece...$98.90 -
Out of stock
V-Twin - 11-1859 - 95 inch Big Bore Twin Cam Piston Ring Set Standard
Rowe
$84.88V-Twin - 11-1859 - 95 inch Big Bore Twin Cam Piston Ring Set StandardDescriptionRowe moly piston ring set is for 3.875" bore and is standard size. Set includes a moly top compression ring and 3 piece...$84.88 -
Out of stock
V-Twin - 11-1858 - 88 inch Twin Cam Moly Piston Ring Set .020 Oversize
Rowe
$68.93V-Twin - 11-1858 - 88 inch Twin Cam Moly Piston Ring Set .020 OversizeDescriptionRowe piston ring set is for 3-3/4" bore and is .020 oversize. Features moly top compression rings and 3 piece chrome...$68.93 -
Out of stock
V-Twin - 11-1856 - 88 inch Twin Cam Moly Piston Ring Set Standard
Rowe
$68.93V-Twin - 11-1856 - 88 inch Twin Cam Moly Piston Ring Set StandardDescriptionRowe piston ring set is for 3-3/4" bore and is standard size. Features moly top compression rings and 3 piece chrome oil...$68.93 -
Out of stock
V-Twin - 11-1855 - Sifton Pushrod Cover Kit
Sifton
$111.55V-Twin - 11-1855 - Sifton Pushrod Cover KitDescriptionSifton pushrod cover kit for Panhead motors. Fits:FL 1948-1965Additional Information$111.55 -
Out of stock
V-Twin - 11-1853 - Sifton Pushrod Cover Kit - Fits 1966-1984 Harley-Davidson FL
V-Twin Mfg
$133.88Sifton pushrod cover kit features an alloy finish and comes complete with steel inner tubes. Set is for use with Shovelhead engines. Fits:FL 1966-1984Additional Information$133.88 -
Out of stock
V-Twin - 11-1793 - 45 inch Piston Ring .070 Oversize
Motorshop
MSRP: $83.25$82.41V-Twin - 11-1793 - 45 inch Piston Ring .070 OversizeDescriptionV-Twin Motorshop piston ring, .070 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952...MSRP: $83.25$82.41 -
Out of stock
V-Twin - 11-1792 - 45 inch Piston Ring .060 Oversize
Motorshop
$111.56V-Twin - 11-1792 - 45 inch Piston Ring .060 OversizeDescriptionV-Twin Motorshop piston ring, .060 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952...$111.56 -
Out of stock
V-Twin - 11-1791 - Alloy Pushrod Cover Clip
Motorshop
MSRP: $39.95$39.15V-Twin - 11-1791 - Alloy Pushrod Cover ClipDescriptionAlloy pushrod cover clip features a natural finish. Fits:FXST 1984-1998FX 1948-1970FLT 1984-1998FL 1948-1970FXD 1991-1998FXR 1984-1994FLST...MSRP: $39.95$39.15 -
Out of stock
V-Twin - 11-1790 - 45 inch Piston Ring .050 Oversize
Motorshop
MSRP: $83.25$82.41V-Twin - 11-1790 - 45 inch Piston Ring .050 OversizeDescriptionV-Twin Motorshop piston ring, .050 with 1/8" oil ring and 3/32" compression ring. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional...MSRP: $83.25$82.41 -
Out of stock
V-Twin - 11-1788 - 45 inch Piston Ring .040 Oversize
Motorshop
$138.52V-Twin - 11-1788 - 45 inch Piston Ring .040 OversizeDescriptionV-Twin Motorshop piston ring, .040 with 1/8" oil ring and 3/32" compression ring. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional...$138.52 -
Out of stock
V-Twin - 11-1787 - Evolution Alloy Pushrod Cover Clip Set
Motorshop
$49.90V-Twin - 11-1787 - Evolution Alloy Pushrod Cover Clip SetDescriptionEvolution alloy pushrod cover clip set is sold in a quantity of four. Fits:FL 1966-1984FX 1966-1984Additional Information$49.90 -
Out of stock
V-Twin - 11-1785 - 45 inch Piston Ring .030 Oversize
Motorshop
$138.52V-Twin - 11-1785 - 45 inch Piston Ring .030 OversizeDescriptionV-Twin Motorshop piston ring, .030 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952...$138.52 -
Out of stock
V-Twin - 11-1784 - 45 inch Piston Ring .020 Oversize
Motorshop
MSRP: $83.25$82.41V-Twin - 11-1784 - 45 inch Piston Ring .020 OversizeDescriptionV-Twin Motorshop piston ring, .020 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952...MSRP: $83.25$82.41 -
Out of stock
V-Twin - 11-1775 - Cylinder Head Set With Rocker Assembly
Motorshop
$6,603.04V-Twin - 11-1775 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with black finish. Head set includes valves, springs, collars, and guides...$6,603.04 -
Out of stock
V-Twin - 11-1773 - 61 inch Piston Ring Set .080 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1773 - 61 inch Piston Ring Set .080 OversizeDescriptionRowe cast piston ring set is for a 3-5/16" bore and is .080 oversize. Features compression rings with a size of 3/32" and oil rings...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1772 - 61 inch Piston Ring Set .060 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1772 - 61 inch Piston Ring Set .060 OversizeDescriptionRowe cast piston ring set is for a 3-5/16" bore and is .060 oversize. Features compression rings with a size of 3/32" and oil rings...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1761 - 1270CC Piston Ring Set
Motorshop
MSRP: $41.76$40.93V-Twin - 11-1761 - 1270CC Piston Ring SetDescription1200cc piston ring set is Ricken brand. Fits:XL 1986-UPAdditional InformationMSRP: $41.76$40.93 -
Out of stock
V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston Kit
Motorshop
$764.42V-Twin - 11-1755 - 103 inch Twin Cam Cylinder and Piston KitDescriptionThis kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. Features a 9:1 compression.These...$764.42 -
Out of stock
V-Twin - 11-1744 - 74 inch Piston Ring Set .005 Oversize
Rowe
MSRP: $74.58$73.83V-Twin - 11-1744 - 74 inch Piston Ring Set .005 OversizeDescriptionRowe cast piston ring set is for a 3-7/16" bore and is .005 oversize. Set includes a top compression ring and 3 piece oil rings.Sold...MSRP: $74.58$73.83 -
Out of stock
V-Twin - 11-1738 - Twin Cam Rocker Box Cover Screw Kit - Fits 1991-2016 Harley-Davidson FL, 1999-2017 FX
V-Twin Mfg
$72.50Twin Cam rocker box screw kit is for use on upper and lower rocker box installation.Sold as 36 piece set including OEM #1039 (8) 5/16"-18 x 2-1/2" flange hex head screws, OEM #3692A (6) 5/16"-18 x 1"...$72.50 -
Out of stock
V-Twin - 11-1714 - Panhead M8 Rocker Box Cover Set
V-Twin Mfg
$415.59V-Twin - 11-1714 - Panhead M8 Rocker Box Cover SetDescriptionPanhead rocker box cover set features a cast alloy finish and replaces stock covers. For use on M8 models.Check clearance on models with...$415.59 -
Out of stock
V-Twin - 11-1713 - Rear Panhead Cylinder
Motorshop
$207.90V-Twin - 11-1713 - Rear Panhead CylinderDescriptionRear Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil...$207.90 -
Out of stock
V-Twin - 11-1712 - M8 Rocker Box Cover Set Black
V-Twin Mfg
$314.51V-Twin - 11-1712 - M8 Rocker Box Cover Set BlackDescriptionM8 rocker box cover set features a black finish with a finned design.Includes correct mounting hardware. Fits:FLST 2018-UPFLT 2017-UPFXST...$314.51 -
Out of stock
V-Twin - 11-1711 - Front Panhead Cylinder
Motorshop
$207.90V-Twin - 11-1711 - Front Panhead CylinderDescriptionFront Panhead cylinder does not come with the piston.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to seal drain oil...$207.90 -
Out of stock
V-Twin - 11-1704 - 80 inch Evolution Piston Kit .005
Motorshop
$161.59V-Twin - 11-1704 - 80 inch Evolution Piston Kit .005DescriptionReplacement 80" Evolution moly coated piston kit. Pistons are .005 oversize. The moly coating helps reduce friction and wear. This kit...$161.59 -
Out of stock
V-Twin - 11-1702 - 80 inch Evolution Piston Kit Standard
Motorshop
$161.59V-Twin - 11-1702 - 80 inch Evolution Piston Kit StandardDescriptionReplacement 80" Evolution moly coated piston kit. Pistons are standard sized. The moly coating helps reduce friction and wear. This...$161.59 -
Out of stock
V-Twin - 11-1700 - 883cc to 1200cc Conversion Piston Set .005 Oversize
Motorshop
$208.74V-Twin - 11-1700 - 883cc to 1200cc Conversion Piston Set .005 OversizeDescriptionMoly coated piston set includes rings, wrist pins and circlips. Reverse dome piston kit requires cylinder boring...$208.74 -
Out of stock
V-Twin - 11-1689 - 74 inch Knucklehead Front Cylinder - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$249.48Front cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information$249.48 -
Out of stock
V-Twin - 11-1687 - Panhead Tappet Kit - Fits 1948-1952 Harley-Davidson EL, FL
V-Twin Mfg
$463.57Panhead tappet kit includes alloy lifter bases, solid lifters and hydraulic pushrods. Fits:EL 1948-1952FL 1948-1952Additional Information UOM1 -$463.57 -
Out of stock
V-Twin - 11-1678 - M8 Lower Rocker Box Cover Screw Set
V-Twin Mfg
$43.66V-Twin - 11-1678 - M8 Lower Rocker Box Cover Screw SetDescription18 piece lower rocker box cover screw set features a stainless steel finish. For use on M8 models.Sold as an 18 piece set including...$43.66 -
Out of stock
V-Twin - 11-1676 - Evolution Knucklehead Rocker Box Cover - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$249.48Evolution Knucklehead rocker box cover fetures a raw finish and is one piece only for use on Knucklehead rocker box kit. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$249.48 -
Out of stock
V-Twin - 11-1675 - Knucklehead Rocker Box Cover Only - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$232.77One piece rocker box cover features a raw finish and is for use on Knucklehead rocker box kits. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$232.77
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.