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 - 11-1678 - 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 -
Out of stock
V-Twin - 11-1659 - M8 Shovelhead Rocker Box Cover Set
V-Twin Mfg
MSRP: $508.06$414.59V-Twin - 11-1659 - M8 Shovelhead Rocker Box Cover SetDescriptionShovelhead rocker box cover set features a raw natural cast finish and replaces stock covers. For use on M8 models.Offers imporved heat...MSRP: $508.06$414.59 -
Out of stock
V-Twin - 11-1635 - TC-88 Rocker Box Mount Kit Chrome - Fits 1999-2016 Harley-Davidson FLT, FLST, 1999-2017 FXST, FXD
V-Twin Mfg
$74.15Rocker box mount kit includes upper and lower rocker cover base and top screws in a chrome finish.Sold as a 36 piece kit. Fits:FLT 1999-2016FLST 1999-2016FXST 1999-2017FXD 1999-2017Additional...$74.15 -
Out of stock
V-Twin - 11-1610 - M8 Complete Lower Rocker Box Cover Screw Set Zinc
V-Twin Mfg
$44.44V-Twin - 11-1610 - M8 Complete Lower Rocker Box Cover Screw Set ZincDescriptionM8 complete lower rocker box cover screw set features a zinc finish.20 pieces screw set is for use on M8 models...$44.44 -
Out of stock
V-Twin - 11-1609 - M8 Upper Rocker Box Mount Kit
V-Twin Mfg
$44.44V-Twin - 11-1609 - M8 Upper Rocker Box Mount KitDescriptionUpper rocker box mount kit for M8 models.. Fits:FLT 2017-UPFXST 2018-UPAdditional Information$44.44 -
Out of stock
V-Twin - 11-1580 - Evolution Rocker Cover Set
Motorshop
$549.91V-Twin - 11-1580 - Evolution Rocker Cover SetDescriptionEvolution rocker cover set features a natural alloy finish with chrome hex nuts and chrome rocker cover tins. For Evolution Big Twin models and...$549.91 -
Out of stock
V-Twin - 11-1577 - TC-88 Finned Rocker Box Set - Fits 1999-2016 Harley-Davidson FL, 1999-2017 FLST, FXST
V-Twin Mfg
$282.05TC-88 finned rocker box set features a black finish. Fits:FL 1999-2016FLST 1999-2017FXST 1999-2017Additional Information UOM1 - SET$282.05 -
Out of stock
V-Twin - 11-1559 - 45 inch Valve Guide Set - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$290.2045" valve guide set is the long shoulder type and is the same guide intake and exhaust.Sold as a set of 4. Fits:DL 1929-1931Additional Information UOM<$290.20 -
Out of stock
V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm Set
V-Twin Mfg
$776.16V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm SetDescription1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only.Buttons are...$776.16 -
Out of stock
V-Twin - 11-1545 - 45 inch DL Intake Valve - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$54.9645" DL intake valve. Fits:DL 1929-1931Additional Information OEM No.163-29 UOM1 - EA <$54.96 -
Out of stock
V-Twin - 11-1544 - 45 inch DL Exhaust Valve - Fits 1929-1931 Harley-Davidson DL
V-Twin Mfg
$54.9645" DL exhaust valve. Fits:DL 1929-1931Additional Information OEM No.165-29 UOM1 - EA$54.96 -
Out of stock
V-Twin - 11-1543 - Valve Keeper Pins
Eastern Motorcycle Parts
MSRP: $37.35$36.60V-Twin - 11-1543 - Valve Keeper PinsDescriptionValve keeper pins for use in slotted valves.Sold as a pack of 5. Fits:JD 1915-1929DL 1929-1935Additional InformationMSRP: $37.35$36.60 -
Out of stock
V-Twin - 11-1484 - Full Finned Panhead Rocker Box Cover Set - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$508.06Full finned Panhead rocker box cover set features a polished finish.Full finned Panhead valve covers are manufactured from a billet of aluminum and forged to shape the shot peened for a natural...$508.06 -
Out of stock
V-Twin - 11-1449 - Evolution Knucklehead Rocker Box Cover Kit - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
MSRP: $723.95$400.31Knucklehead Rocker box kit features a natural cast finish for Evolution models and offers additional cooling. Rocker box cover kit includes two covers, two knucklehead and four chrome hex knucklehead...MSRP: $723.95$400.31 -
Out of stock
V-Twin - 11-1435 - OE Pushrod Cover Spring Cup Set Black
OE
$53.35V-Twin - 11-1435 - OE Pushrod Cover Spring Cup Set BlackDescriptionOE pushrod cover spring cup set features a black finish.Sold as a set of 4. Requires the use of adjustable pushrods or removal of...$53.35 -
Out of stock
V-Twin - 11-1434 - Evolution D-Ring Set - Fits 1984-1991 Harley-Davidson FLH, FLST
V-Twin Mfg
$92.30Evolution rocker box cover d-ring set features an alloy natural finish.Sold as a pair. Fits:FLH 1984-1991FLST 1984-1991Additional Information UOM$92.30 -
Out of stock
V-Twin - 11-1425 - 74 inch Moly Piston Ring Set .005
Hastings
$107.72V-Twin - 11-1425 - 74 inch Moly Piston Ring Set .005DescriptionHastings moly piston ring set is .005 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair for 2...$107.72 -
Out of stock
V-Twin - 11-1416 - 1270cc/1200cc Piston Kit - Fits 1986-2003 Harley-Davidson XL (1270cc, 1200cc)
V-Twin Mfg
$290.791270cc/1200cc piston kit with rings and wrist pins.**NOTE: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons...$290.79 -
Out of stock
V-Twin - 11-1377 - 1000cc Piston Ring Set Standard
Hastings
$108.34V-Twin - 11-1377 - 1000cc Piston Ring Set StandardDescriptionHastings moly piston ring set is for a 3-3/16" bore and is standard size. Features moly top compression rings with a size of 1/16" and oil...$108.34 -
Out of stock
V-Twin - 11-1353 - 88 inch Twin Cam Moly Piston Ring Set .020
Hastings
$121.10V-Twin - 11-1353 - 88 inch Twin Cam Moly Piston Ring Set .020DescriptionHastings moly piston ring set is .020 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair...$121.10 -
Out of stock
V-Twin - 11-1347 - 61 inch Overhead Valve 3-5/16 inch Piston Set .005 Oversize
Motorshop
$285.96V-Twin - 11-1347 - 61 inch Overhead Valve 3-5/16 inch Piston Set .005 OversizeDescriptionPiston set with 3-5/16" bore is .005 oversized. Set includes hasting 3 piece ring set, 2 wrist pins, and 4...$285.96 -
Out of stock
V-Twin - 11-1304 - 1270cc/883cc Piston Kit
V-Twin Mfg
$237.50V-Twin - 11-1304 - 1270cc/883cc Piston KitDescription1270cc/883cc piston kit with rings.MC forged pistons have teflon coated tops to aid in a more complete combustion. Final cylinder is done with our...$237.50 -
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 - 11-1178 - 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
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.