Engine
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V-Twin - 12-1489 - Oil Pump Check Valve Kit
Motorshop
$32.31V-Twin - 12-1489 - Oil Pump Check Valve KitDescriptionCheck valve kit for 1956-1965 Big Twin Fits:FL 1956-1965Additional Information$32.31 -
V-Twin - 12-1225 - Scavenger Oil Pump Drive Gear
Motorshop
$49.90V-Twin - 12-1225 - Scavenger Oil Pump Drive GearDescription2023 New Construction Oil pump with groove, scavenger idler gear features a singular slot to the edge of the tooth to allow oil to eneter...$49.90 -
V-Twin - 12-0936 - Valve Guide Retaining Snap Ring
Eastern Motorcycle Parts
MSRP: $13.86$13.72V-Twin - 12-0936 - Valve Guide Retaining Snap RingDescriptionValve guide retaining snap ring. Fits:FL 1979-1980FX 1979-1980Additional InformationMSRP: $13.86$13.72 -
V-Twin - 12-0856 - Knucklehead Oil Pump Governor Rotor
Motorshop
MSRP: $81.92$81.09V-Twin - 12-0856 - Knucklehead Oil Pump Governor RotorDescriptionOil pump centrifugal valve is precision ground for fit and features an oiled finish. Designed to be driven by the scavenger oil pump...MSRP: $81.92$81.09 -
V-Twin - 12-0713 - Sprocket Shaft Bearing Shim .003
Eastern Motorcycle Parts
MSRP: $15.86$15.70V-Twin - 12-0713 - Sprocket Shaft Bearing Shim .003DescriptionSprocket shaft bearing shim, .003" thick. Fits:XL 1952-1976Additional InformationMSRP: $15.86$15.70 -
V-Twin - 12-0427 - Left Crankcase Main Bearing Set
Motorshop
$90.99V-Twin - 12-0427 - Left Crankcase Main Bearing SetDescriptionReplica left crankcase main bearing set for the left side bearing assembly.Main bearing set is manufactured to meet OEM specifications for...$90.99 -
V-Twin - 12-0397 - Cam Needle Bearing
Motorshop
$22.34V-Twin - 12-0397 - Cam Needle BearingDescriptionCam needle bearing, roller design. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998FX 1971-1984FXD 1991-1998FL 1958-1984FLST 1986-1998Additional...$22.34 -
V-Twin - 12-0309 - Left Crankcase Main Bearing Set
Timken
$74.16V-Twin - 12-0309 - Left Crankcase Main Bearing SetDescriptionTimken left crankcase main bearing set is factory assembled with correct spacers for proper end play.Main bearing set is manufactured to...$74.16 -
V-Twin - 12-0201 - Crank Pin Keys
Eastern Motorcycle Parts
$20.45V-Twin - 12-0201 - Crank Pin KeysDescriptionCrank pin keys Fits:XL 1957-1981 Pinion ShaftFL 1941-1980FX 1971-1980 Crank PinAdditional Information$20.45 -
V-Twin - 11-1728 - 900cc Piston Ring Set .040 Oversize
Rowe
$71.17V-Twin - 11-1728 - 900cc Piston Ring Set .040 OversizeDescriptionRowe cast piston ring set is for a 3" bore and is .040 oversize. Features compression rings with a size of 1/16" and 3 piece oil rings...$71.17 -
V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inch
Motorshop
$173.10V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inchDescriptionSifton cast piston kit includes reverse domed pistons and Hasting rings.Piston set has a 9.5:1 compression...$173.10 -
V-Twin - 11-1354 - 95 inch/103 inch Big Bore Twin Cam Piston Ring Set Standard
Hastings
MSRP: $116.03$82.34V-Twin - 11-1354 - 95 inch/103 inch Big Bore Twin Cam Piston Ring Set StandardDescriptionHastings moly piston ring set is standard size. Set includes a moly top compression ring and chrome oil rings...MSRP: $116.03$82.34 -
V-Twin - 11-1337 - 1270cc Cylinder and Piston Conversion Kit Black - Fits 1986-2003 Harley-Davidson XL
V-Twin Mfg
$585.66Big bore cylinder kit for 1200-1270cc conversion on Sportster models.Increase your horsepower with our V-Twin 1270cc big bore conversion kit. Our kit includes 2 black highlighter finished cylinders,...$585.66 -
V-Twin - 11-1280 - Sifton Soft Touch Lifter Set - Fits 1971-1984 Harley-Davidson FX, 1966-1984 FL
V-Twin Mfg
$191.93Sifton soft touch lifter set includes hydraulic lifters, maxi axles and solid pushrods. Fits: FX 1971-1984 FL 1966-1984 Additional Information UOM$191.93
V-Twin - 11-1239 - 74 inch Piston Ring Set Standard
Rowe
MSRP: $74.58$73.83V-Twin - 11-1239 - 74 inch Piston Ring Set StandardDescriptionRowe cast piston ring set is for 3-7/16" bore and is standard size. Features compression rings with a size of 1/16" and 3 piece oil rings...MSRP: $74.58$73.83
V-Twin - 11-1223 - M8 Cast Iron Intake Valve Guide
Kibblewhite
MSRP: $11.86$11.74V-Twin - 11-1223 - M8 Cast Iron Intake Valve GuideDescriptionCast iron intake valve guide is for M8 models and is standard size. Fits:FLT 2017-UPAdditional InformationMSRP: $11.86$11.74
V-Twin - 11-1080 - M8 Rocker Box Cover Set Chrome
Motorshop
$319.70V-Twin - 11-1080 - M8 Rocker Box Cover Set ChromeDescriptionM8 rocker box cover set is forged aluminum and features a chrome finish. Fits:FLT 2017-UPAdditional Information$319.70
V-Twin - 11-1071 - Top Rocker Box Gloss Black Cover Set
Motorshop
$209.61V-Twin - 11-1071 - Top Rocker Box Gloss Black Cover SetDescriptionGloss black top rocker box cover set. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information$209.61
V-Twin - 11-0902 - Pushrod Cover Kit
Motorshop
$146.20V-Twin - 11-0902 - Pushrod Cover KitDescriptionChrome kit includes the inner pushrod cover set, lower pushrod cover set, cover spring, cover spring cup, cover washer, gasket, and clip. Fits:FL...$146.20
V-Twin - 11-0862 - Polished Shovelhead Top End Kit - Fits 1980-1984 Harley-Davidson FLT, 1971-1984 FX, 1982-1984 FXR, 1966-1984 FL
V-Twin Mfg
$2,266.68Top end kit includes pre fitted 80" cylinder set with 8:1 pistons, heads, polished rocker boxes, cylinder base nuts, rocker box studs, nuts and top end gasket kit.Kit includes fully assembled late...$2,266.68
V-Twin - 11-0860 - Polished Shovelhead Top End Kit - Fits 1980-1984 Harley-Davidson FLT, 1971-1984 FX, 1982-1984 FXR, 1966-1984 FL
V-Twin Mfg
$2,229.80Top end kit includes pre fitted 74" cylinder set with 8.5:1 pistons, heads, polished rocker boxes, cylinder base nuts, rocker box studs, nuts and top end gasket kit.Kit includes fully assembled late...$2,229.80
V-Twin - 11-0534 - Shovelhead Rocker Box Cover Set Chrome
Motorshop
$739.62V-Twin - 11-0534 - Shovelhead Rocker Box Cover Set ChromeDescriptionFront and rear rocker box covers for Shovelheads are cast aluminum with a chrome finish.Sold as a pair. *NOTE: Must order studs...$739.62
V-Twin - 11-0514 - Valve Keeper Key Set
Eastern Motorcycle Parts
$26.06V-Twin - 11-0514 - Valve Keeper Key SetDescriptionV-Twin valve keeper keys consists of an 8-piece set for both cylinder heads.Four sets of two, eight pieces total. Fits:XL 1957-1985WL...$26.06
V-Twin - 11-0408 - 3-7/16 inch Piston Set Standard Size
Eastern Motorcycle Parts
$265.72V-Twin - 11-0408 - 3-7/16 inch Piston Set Standard SizeDescriptionPiston set 3-7/16" bore is standard size. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...$265.72
V-Twin - 11-0320 - 80 inch Overhead Valve Piston Set .030 Oversize
Motorshop
$151.15V-Twin - 11-0320 - 80 inch Overhead Valve Piston Set .030 OversizeDescriptionPiston set 3-1/2" bore .030 oversize has a compression of 7:1. Set includes Hasting 3 piece rings, 2 wrist pins and 4...$151.15
V-Twin - 11-0028 - Hydraulic Pushrod Tappet Set
Sonnax
$216.16V-Twin - 11-0028 - Hydraulic Pushrod Tappet SetDescriptionSifton hydraulic pushrod tappet set includes 4 max axle lifters with integral pump and 4 adjustable steel pushrods. Fits:FLT 1979-1983FX...$216.16
V-Twin - 10-1278 - Engine Pinion Shaft Race
Eastern Motorcycle Parts
$32.68V-Twin - 10-1278 - Engine Pinion Shaft RaceDescriptionEngine pinion shaft race. Fits:FLST 1987-1998FXR 1987-1994FXST 1987-1998FXD 1991-1998FLT 1987-1998Additional Information$32.68
V-Twin - 10-1173 - Cone Cam Chest Internal Kit
Motorshop
$523.52V-Twin - 10-1173 - Cone Cam Chest Internal KitDescriptionCone cam chest internal kit includes all components, as shown in photo, except the cam cover.Includes everuthing for an empty cam chest...$523.52
V-Twin - 10-1048 - V-Twin Stock Flywheel Assembly
Motorshop
$1,073.84V-Twin - 10-1048 - V-Twin Stock Flywheel AssemblyDescriptionShipped assembled and trued with shafts. Features Truett & Osborne stock flywheels. Fits:FX 1971-1972FL 1970-1972Additional Information$1,073.84
V-Twin - 10-0935 - Standard Solid Lightning Tappet Set
Motorshop
$130.80V-Twin - 10-0935 - Standard Solid Lightning Tappet SetDescriptionTappet set is solid type for Panheads. Units are precision machined and feature drilled holes which allow for better lubrication on...$130.80
V-Twin - 10-0756 - Connecting Rod Wrist Pin Bushing Set
Motorshop
$42.58V-Twin - 10-0756 - Connecting Rod Wrist Pin Bushing SetDescriptionStandard bushings for piston pin.Set of two. ...$42.58
V-Twin - 10-0627 - Cam Chest Assembly Kit Panhead-Shovelhead
Motorshop
$710.84V-Twin - 10-0627 - Cam Chest Assembly Kit Panhead-ShovelheadDescriptionV-Twin Motor Shop cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton...$710.84
V-Twin - 10-0580 - Standard Hydraulic Tappet Assembly
Sifton
$183.49V-Twin - 10-0580 - Standard Hydraulic Tappet AssemblyDescriptionSifton maxi-axle tappet features built in integral pump unit to set as a full hydraulic unit.The larger diameter rollers in these...$183.49
V-Twin - 10-0579 - Smooth Rocker Box Cover Set
Motorshop
$261.25V-Twin - 10-0579 - Smooth Rocker Box Cover SetDescriptionSmooth rocker box covers for XL models.Sold as a pair. Fits:XL 2004-UPAdditional Information <$261.25
V-Twin - 10-0520 - Sifton Tappet Roller Bearing Kit
Sifton
MSRP: $69.70$69.00V-Twin - 10-0520 - Sifton Tappet Roller Bearing KitDescriptionSifton repair kit includes 4 pins and 4 roller assemblies. Kit is the original 1929 design, as Torrington developed.This tappet roller...MSRP: $69.70$69.00
V-Twin - 10-0346 - Extreme Heavy Duty Left Side Main Bearing Kit
Eastern Motorcycle Parts
$111.55V-Twin - 10-0346 - Extreme Heavy Duty Left Side Main Bearing KitDescriptionExtreme duty left side main bearing kit is for all 2003-UP Twin Cam and M8 models. Includes bearing, spacer, thrust washers...$111.55
V-Twin - 10-0313 - Hydraulic Tappet Set
Sifton
$167.16V-Twin - 10-0313 - Hydraulic Tappet SetDescriptionFour piece Sifton hydraulic tappet set assembly has roller and pin installed. The outside diameter is 0.732" with an inner diameter of 12.94mm.Order...$167.16
V-Twin - 10-0260 - S&S Connecting Rod Set Heavy Duty
S&S Cycle
$614.15V-Twin - 10-0260 - S&S Connecting Rod Set Heavy DutyDescriptionSet is a heavy duty replacement and includes wrist pin bushings, rod races, matched rods, pins, rollers, cages and nuts for stock or...$614.15
V-Twin - 8860-8 - Cylinder Base Washer Tab Chrome
Colony Machine
$33.85V-Twin - 8860-8 - Cylinder Base Washer Tab Chrome Description Cylinder base washer tab, chrome for 1978-1984 Shovelhead Fits: FLT 1979-1983 FXR 1982-1983 FL 1978-1984 FX...$33.85
V-Twin - 8857-8 - Cylinder Base Stud Set
Colony Machine
MSRP: $44.04$43.15V-Twin - 8857-8 - Cylinder Base Stud Set Description Cylinder base stud set are heat treated black studs with an interference thread.*NOTE: Cylinder base studs should protrude 1-3/16" from case...MSRP: $44.04$43.15
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.