Engine
7737 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 - 11-1570 - 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 - 11-1484 - 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 -
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 - 11-1429 - 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 - 11-1427 - 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 - 11-1425 - 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 -
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 - 11-1394 - 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 -
V-Twin - 11-1380 - 1000cc Piston Ring Set .030 Oversize
Hastings
$97.17V-Twin - 11-1380 - 1000cc Piston Ring Set .030 OversizeDescriptionHastings moly piston ring set is for a 3-3/16" bore and is .030 oversize. Features moly top compression rings with a size of 1/16"...$97.17 -
V-Twin - 11-1379 - 1000cc Piston Ring Set .020 Oversize
Hastings
$108.34V-Twin - 11-1379 - 1000cc Piston Ring Set .020 OversizeDescriptionHastings moly piston ring set is for a 3-3/16" bore and is .020 oversize. Features moly top compression rings with a size of 1/16"...$108.34 -
V-Twin - 11-1378 - 1000cc Piston Ring Set .010 Oversize
Hastings
$98.77V-Twin - 11-1378 - 1000cc Piston Ring Set .010 OversizeDescriptionHastings moly piston ring set is for a 3-3/16" bore and is .010 oversize. Features moly top compression rings with a size of 1/16"...$98.77 -
V-Twin - 11-1376 - 74 inch Moly Piston Ring Set .080 Oversize
Hastings
$85.68V-Twin - 11-1376 - 74 inch Moly Piston Ring Set .080 OversizeDescriptionHastings 1200cc moly piston ring set is .080 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a...$85.68 -
V-Twin - 11-1375 - 74 inch Moly Piston Ring Set .070 Oversize
Hastings
$117.93V-Twin - 11-1375 - 74 inch Moly Piston Ring Set .070 OversizeDescriptionHastings moly piston ring set is .070 oversize.Set includes a moly top compression ring and chrome oil rings. Sold as a pair...$117.93 -
V-Twin - 11-1374 - 74 inch Moly Piston Ring Set .060 Oversize
Hastings
$97.20V-Twin - 11-1374 - 74 inch Moly Piston Ring Set .060 OversizeDescriptionHastings moly piston ring set is .060 oversize. Set includes a top moly compression ring and chrome oil rings.Sold as a pair...$97.20 -
V-Twin - 11-1373 - 74 inch Moly Piston Ring Set .050 Oversize
Hastings
MSRP: $98.37$97.20V-Twin - 11-1373 - 74 inch Moly Piston Ring Set .050 OversizeDescriptionHastings moly piston ring set is .050 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair...MSRP: $98.37$97.20 -
V-Twin - 11-1372 - 74 inch Moly Piston Ring Set .040 Oversize
Hastings
MSRP: $98.37$97.20V-Twin - 11-1372 - 74 inch Moly Piston Ring Set .040 OversizeDescriptionHastings moly piston ring set is .040 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair...MSRP: $98.37$97.20 -
V-Twin - 11-1371 - 74 inch Moly Piston Ring Set .030 Oversize
Hastings
MSRP: $98.31$97.13V-Twin - 11-1371 - 74 inch Moly Piston Ring Set .030 OversizeDescriptionHastings moly piston ring set is .030 oversize. Set includes a moly top compression ring and chrome oil rings.Sold as a pair...MSRP: $98.31$97.13
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.