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 - 11-1578 - 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 - 11-1425 - 74 inch Moly Piston Ring Set .005
Hastings
$98.88V-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...$98.88 -
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 -
V-Twin - 11-1421 - 1800cc 4 inch Big Bore Cylinder
Motorshop
$495.96V-Twin - 11-1421 - 1800cc 4 inch Big Bore CylinderDescriptionTwin Cam 96 or 103 Big Bore cylinder is black with aluminum high-lighted fin edges. Used to increase 96 or 103cc to 1800cc.The finished...$495.96 -
V-Twin - 11-1415 - 1690cc Piston Ring Set .010 Oversize
Hastings
$117.91V-Twin - 11-1415 - 1690cc Piston Ring Set .010 OversizeDescriptionHasting ring set is .010 oversize and is for use with TC-103 . Fits:FXD 2010-2017 TC-103FLT 2010-2016 TC-103FLST 2010-2017 TC-103FXST...$117.91 -
V-Twin - 11-1414 - 1690cc Piston Ring Set .005 Oversize
Hastings
$117.91V-Twin - 11-1414 - 1690cc Piston Ring Set .005 OversizeDescriptionHastings ring set is .005 oversize and is for use on TC-103. Fits:FXD 2010-2017 TC-103FLT 2010-2016 TC-103FLST 2010-2017 TC-103FXST...$117.91 -
V-Twin - 11-1407 - M8 Pushrod Cover Kit Chrome
Motorshop
$116.88V-Twin - 11-1407 - M8 Pushrod Cover Kit ChromeDescriptionChrome pushrod cover kit for M8 models includes all necessary pieces for complete pushrod cover installation. Fits:FLT 2017-UPFXST...$116.88 -
V-Twin - 11-1405 - 61 inch Overhead Valve Piston Ring Set .030
Hastings
$98.88V-Twin - 11-1405 - 61 inch Overhead Valve Piston Ring Set .030DescriptionHastings cast piston ring set is for a 3-5/16" bore and is .030 oversize. Features compression rings with a size of 3/32" and...$98.88 -
V-Twin - 11-1403 - Tappet Screw Kit
Motorshop
MSRP: $17.86$17.68V-Twin - 11-1403 - Tappet Screw KitDescriptionTappet screw kit for TC-88 models includes eight screws with gaskets. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional InformationMSRP: $17.86$17.68 -
V-Twin - 11-1401 - 4-1/8 inch Piston Ring Set .010 Oversize
S&S Cycle
$22.31V-Twin - 11-1401 - 4-1/8 inch Piston Ring Set .010 OversizeDescriptionS&S replacement piston ring set is for a 4-1/8" bore and is .010 oversize. Sold in sets for 2 pistons Fits:Replacement for S&S...$22.31 -
V-Twin - 11-1397 - 96 inch Twin Cam Piston Ring Standard
Hastings
MSRP: $135.21$122.72V-Twin - 11-1397 - 96 inch Twin Cam Piston Ring StandardDescriptionHastings moly piston ring set is standard size. Set includes moly top compression ring and chrome oil rings. Sold in set s for 2...MSRP: $135.21$122.72 -
V-Twin - 11-1394 - 1200cc Piston Ring Set Standard
Hastings
MSRP: $101.38$82.34V-Twin - 11-1394 - 1200cc Piston Ring Set StandardDescriptionHastings moly piston ring set is for a 88.85mm bore and is standard size. Features moly top compression rings with the size of 1.2mm top...MSRP: $101.38$82.34 -
V-Twin - 11-1384 - Hastings Moly Piston Ring Set
Hastings
$95.58V-Twin - 11-1384 - Hastings Moly Piston Ring SetDescriptionHastings moly piston ring set is for a 3" bore and is .070 oversize. Features moly top compression rings with a size of 1/16 and oil rings...$95.58
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.