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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V-Twin - 11-1721 - 1000cc Piston Ring Set .050 Oversize
Rowe
$71.17V-Twin - 11-1721 - 1000cc Piston Ring Set .050 OversizeDescriptionRowe cast piston ring set is for a 3-3/16" bore and is .050 oversize. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1720 - 1000cc Piston Ring Set .040 Oversize
Rowe
$71.17V-Twin - 11-1720 - 1000cc Piston Ring Set .040 OversizeDescriptionRowe cast piston ring set is for a 3-3/16" bore and is .040 oversize. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1719 - 1000cc Piston Ring Set .030 Oversize
Rowe
$71.17V-Twin - 11-1719 - 1000cc Piston Ring Set .030 OversizeDescriptionRowe cast piston ring set is for a 3-3/16" bore and is .030 oversize. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1718 - 1000cc Piston Ring Set .020 Oversize
Rowe
$71.17V-Twin - 11-1718 - 1000cc Piston Ring Set .020 OversizeDescriptionRowe cast piston ring set is for a 3-3/16" bore and is .020 oversize. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1717 - 1000cc Piston Ring Set .010 Oversize
Rowe
$71.17V-Twin - 11-1717 - 1000cc Piston Ring Set .010 OversizeDescriptionRowe cast piston ring set is for a 3-3/16" bore and is .010 oversize. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1716 - 1000cc Piston Ring Set Standard
Rowe
$71.17V-Twin - 11-1716 - 1000cc Piston Ring Set StandardDescriptionRowe cast piston ring set is for a 3-3/16" bore and is standard size. Features compression rings with a size of 1/16" and 3 piece oil...$71.17 -
V-Twin - 11-1710 - Raw Cast Cylinder Fin Repair Plate
Motorshop
$33.53V-Twin - 11-1710 - Raw Cast Cylinder Fin Repair PlateDescriptionCylinder fin plate is cast aluminum for the repair of cylinder and head fins. These are to be cut, fit, and welded in place. Fits:FL...$33.53 -
V-Twin - 11-1709 - 3-5/8 inch Piston Set Standard Size
Motorshop
$257.74V-Twin - 11-1709 - 3-5/8 inch Piston Set Standard SizeDescriptionSifton piston set is standard size for a 3-5/8" Big Bore. Has a 9.75:1 compression, 3-5/8" bore with a 4-1/2" stroke flywheel.**Note:...$257.74 -
V-Twin - 11-1699 - 93.4 inch Big Bore Flat Top Piston Kit Standard
Wiseco
$508.29V-Twin - 11-1699 - 93.4 inch Big Bore Flat Top Piston Kit StandardDescriptionWiseco 93.4" Big Bore flat top piston kit is standard size. Piston has a compression of 9.5:1 and includes rings.**Note:...$508.29 -
V-Twin - 11-1690 - 74 inch Knucklehead Rear Cylinder - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$249.48Rear 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 -
V-Twin - 11-1688 - 74 inch Panhead Cylinder Kit - Fits 1955-1962 Harley-Davidson FL
V-Twin Mfg
$654.19Panhead cylinder kit includes 74" cylinders fitted with standard cast pistons (8.5:1) and hastings standard FLH ring set.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to...$654.19 -
V-Twin - 11-1578 - Knucklehead Valve Guide Set - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$324.96Knucklehead valve guide set is updated to accepts seals. The intake and exhaust is the same.Set of 4. For use with seal set V-Twin #14-0452. Fits:EL 1936-1947FL 1941-1947Additional Information$324.96 -
V-Twin - 11-1570 - Replica 74 inch Knucklehead Cylinder Kit Black
Motorshop
$1,008.55V-Twin - 11-1570 - Replica 74 inch Knucklehead Cylinder Kit BlackDescription2022 New Production Replica 74" Knucklehead cylinder set with 5 fins and black finish features cast iron construction with...$1,008.55 -
V-Twin - 11-1523 - 110 CI Cylinder Kit Black
Motorshop
$1,183.04V-Twin - 11-1523 - 110 CI Cylinder Kit BlackDescription110" motorshop 4" big bore bolt on cylinder and piston kit takes your 96ci or 103ci motor to a full 110ci, without removing the engine from the...$1,183.04 -
V-Twin - 11-1513 - 88 inch Evolution Big Bore Cylinder Kit Silver
Motorshop
$646.45V-Twin - 11-1513 - 88 inch Evolution Big Bore Cylinder Kit SilverDescriptionIncrease your stock Evolution engine with our 88" cylinder kit.Our kit includes two 3-5/8" silver cylinders which have been...$646.45 -
V-Twin - 11-1480 - Kibblewhite Valve Keeper Key Set
Kibblewhite
MSRP: $45.40$44.50V-Twin - 11-1480 - Kibblewhite Valve Keeper Key SetDescriptionKibblewhite valve keeper key set is for stock lift cams. Fits:FLT 1979-1983FXR 1982-1983FL 1978-1983FX 1978-1983Additional InformationMSRP: $45.40$44.50 -
V-Twin - 11-1479 - Kibblewhite Valve Keeper Key Set
Kibblewhite
MSRP: $45.40$44.50V-Twin - 11-1479 - Kibblewhite Valve Keeper Key SetDescriptionKibblewhite valve keeper key set is for stock lift cams. Fits:FX 1971-1977FL 1966-1977Additional InformationMSRP: $45.40$44.50 -
V-Twin - 11-1478 - Kibblewhite Valve Keeper Key Set
Kibblewhite
MSRP: $45.40$44.50V-Twin - 11-1478 - Kibblewhite Valve Keeper Key SetDescriptionKibblewhite valve keeper key set is for stock lift cams. Fits:FL 1948-1965Additional InformationMSRP: $45.40$44.50 -
V-Twin - 11-1477 - Kibblewhite Lower Valve Spring Collar Set
Kibblewhite
$45.17V-Twin - 11-1477 - Kibblewhite Lower Valve Spring Collar SetDescriptionKibblewhite lower valve spring collar set is for stock lift cams. Fits:FLT 1979-1983FXR 1982-1983FL 1978-1983FX...$45.17 -
V-Twin - 11-1476 - Kibblewhite Lower Valve Spring Collar Set
Kibblewhite
$45.17V-Twin - 11-1476 - Kibblewhite Lower Valve Spring Collar SetDescriptionKibblewhite lower valve spring collar set is for stock lift cams. Fits:FX 1971-1977FL 1966-1977Additional Information$45.17 -
V-Twin - 11-1475 - Kibblewhite Lower Valve Collar Set
Kibblewhite
$45.17V-Twin - 11-1475 - Kibblewhite Lower Valve Collar SetDescriptionKibblewhite lower valve cover set is for stock lift cams. Fits:FL 1948-1965Additional Information$45.17 -
V-Twin - 11-1474 - Kibblewhite Upper Valve Spring Collar Set
Kibblewhite
$68.67V-Twin - 11-1474 - Kibblewhite Upper Valve Spring Collar SetDescriptionKibblewhite upper valve spring collar set is for stock lift cams. Fits:FLT 1979-1983FXR 1982-1983FL 1978-1983FX...$68.67 -
V-Twin - 11-1473 - Kibblewhite Upper Valve Spring Collar Set
Kibblewhite
$68.67V-Twin - 11-1473 - Kibblewhite Upper Valve Spring Collar SetDescriptionKibblewhite upper valve spring collar set is for stock lift cams. Fits:FX 1971-1977FL 1966-1977Additional Information$68.67 -
V-Twin - 11-1472 - Kibblewhite Upper Valve Spring Collar Set
Kibblewhite
$68.67V-Twin - 11-1472 - Kibblewhite Upper Valve Spring Collar SetDescriptionKibblewhite upper valve spring collar set is for stock lift cams. Fits:FL 1948-1965Additional Information$68.67 -
V-Twin - 11-1471 - Kibblewhite Stock Replacement Valve Spring Set
Kibblewhite
$60.69V-Twin - 11-1471 - Kibblewhite Stock Replacement Valve Spring SetDescriptionKibblewhite stock replacement valve spring set is for stock lift cams. Fits:FLT 1979-1983FXR 1982-1983FL 1978-1983FX...$60.69 -
V-Twin - 11-1470 - Kibblewhite Stock Replacement Valve Spring Set
Kibblewhite
MSRP: $81.90$81.08V-Twin - 11-1470 - Kibblewhite Stock Replacement Valve Spring SetDescriptionKibblewhite stock replacement valve spring set is for stock lift cams. Fits:FX 1971-1977FL 1966-1977Additional InformationMSRP: $81.90$81.08 -
V-Twin - 11-1469 - Kibblewhite Stock Replacement Valve Spring Set
Kibblewhite
$60.69V-Twin - 11-1469 - Kibblewhite Stock Replacement Valve Spring SetDescriptionKibblewhite stock replacement valve spring set is for stock lift cams. Fits:FL 1948-1965Additional Information$60.69 -
V-Twin - 11-1437 - Sifton Valve Spring Collar Spacer Set
Sifton
$33.54V-Twin - 11-1437 - Sifton Valve Spring Collar Spacer SetDescriptionNew Old Stock" Sifton valve spring collar spacer set. Fits:FL 1957-1981Additional Information$33.54 -
V-Twin - 11-1436 - Sifton XL Valve Spring Kit
Sifton
MSRP: $83.23$82.40V-Twin - 11-1436 - Sifton XL Valve Spring KitDescriptionNew Old Stock" Sifton valve spring kit is the "double spring" style, with aluminum collars and steel keepers. Fits:XL 1957-1984Additional...MSRP: $83.23$82.40 -
V-Twin - 11-1433 - 114 inch M8 Moly Piston Ring Set .020
Hastings
$125.86V-Twin - 11-1433 - 114 inch M8 Moly Piston Ring Set .020DescriptionHastings moly piston ring set is .020 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 models.Sold as...$125.86 -
V-Twin - 11-1432 - 114 inch M8 Moly Piston Ring Set .010
Hastings
$125.86V-Twin - 11-1432 - 114 inch M8 Moly Piston Ring Set .010DescriptionHastings moly piston ring set is .010 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 models.Sold as...$125.86 -
V-Twin - 11-1431 - 114 inch M8 Moly Piston Ring Set .005
Hastings
MSRP: $110.35$106.43V-Twin - 11-1431 - 114 inch M8 Moly Piston Ring Set .005DescriptionHastings moly piston ring set is .005 oversize. Set includes a moly top compression ring and chrome oil rings. For M8 models.Sold as...MSRP: $110.35$106.43 -
V-Twin - 11-1430 - 114 inch M8 Moly Piston Ring Set Standard
Hastings
$125.86V-Twin - 11-1430 - 114 inch M8 Moly Piston Ring Set StandardDescriptionHastings moly piston ring set is standard size. Set includes moly top compression ring and chrome oil ring. For M8 models.Sold...$125.86 -
V-Twin - 11-1429 - 107 inch M8 Moly Piston Ring Set .020
Hastings
$125.86V-Twin - 11-1429 - 107 inch M8 Moly Piston Ring Set .020DescriptionHastings moly piston ring set is .020 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 models.Sold as...$125.86 -
V-Twin - 11-1428 - 107 inch M8 Moly Piston Ring Set .010
Hastings
$125.86V-Twin - 11-1428 - 107 inch M8 Moly Piston Ring Set .010DescriptionHastings moly piston ring set is .010 oversize. Set includes a molt top compression ring and chrome oil rings. For M8 models.Sold as...$125.86 -
V-Twin - 11-1427 - 107 inch M8 Moly Piston Ring Set .005
Hastings
$125.86V-Twin - 11-1427 - 107 inch M8 Moly Piston Ring Set .005DescriptionHastings moly piston ring set is .005 oversize. Set includes a moly top compression ring and chrome oil rings. For M8 models.Sold as...$125.86 -
V-Twin - 11-1426 - 107 inch M8 Moly Piston Ring Set Standard
Hastings
MSRP: $110.35$106.43V-Twin - 11-1426 - 107 inch M8 Moly Piston Ring Set StandardDescriptionHastings moly piston ring set is standard size. Set includes moly top compression ring and chrome oil ring. For M8 models.Sold...MSRP: $110.35$106.43 -
V-Twin - 11-1424 - Wiseco Replacement Piston Ring Set
Wiseco
$65.11V-Twin - 11-1424 - Wiseco Replacement Piston Ring SetDescriptionWiseco replacement ring set fits the Tracker series pistons. Fits:FLT 1999-2007FXST 1999-2007FXD 1999-2007FLST 1999-2007Additional...$65.11 -
V-Twin - 11-1423 - Wiseco Replacement Piston Ring Set
Wiseco
$65.11V-Twin - 11-1423 - Wiseco Replacement Piston Ring SetDescriptionWiseco replacement ring set fits the Tracker series pistons. Fits:FLT 1999-2007FXST 1999-2007FXD 1999-2007FLST 1999-2007Additional...$65.11 -
V-Twin - 11-1422 - Wiseco Replacement Piston Ring Set
Wiseco
$65.11V-Twin - 11-1422 - Wiseco Replacement Piston Ring SetDescriptionWiseco replacement ring set fits the Tracker series pistons. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2006Additional...$65.11
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.