Engine
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V-Twin - 13-0116 - Oil Pump Check Valve Spring
Eastern Motorcycle Parts
MSRP: $22.29$20.84V-Twin - 13-0116 - Oil Pump Check Valve SpringDescriptionSpring for the oil pump check valve. Fits:XL 1972-1979Additional InformationMSRP: $22.29$20.84 -
V-Twin - 12-9969 - Polished Oil Pump Assembly
Sifton
$383.15V-Twin - 12-9969 - Polished Oil Pump Assembly Description Sifton oil pump assembly includes all necessary fittings, snap rings, keys, gaskets and mounting bolts for a complete installation. Oil...$383.15 -
V-Twin - 12-1510 - Cam Chest Breather Valve Washer Set
Motorshop
$32.31V-Twin - 12-1510 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set includes 8 sizes: .110, .115, .120, .125, .130, .135, .140, .145. Washer set is made of steel and...$32.31 -
V-Twin - 12-1497 - Reverse Circuit Breaker Gear
Motorshop
$287.82V-Twin - 12-1497 - Reverse Circuit Breaker GearDescriptionReverse rotation circuit breaker drive gear and timer gear. Counter clockwise rotation gears allow use of any electronic type single or dual...$287.82 -
V-Twin - 12-1490 - Oil Pump Check Valve Kit
Motorshop
$66.20V-Twin - 12-1490 - Oil Pump Check Valve KitDescriptionCheck valve kit includes ball, spring and cap. Fits:FX 1971-1980FL 1941-1955EL 1936-1940Additional Information$66.20 -
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 - 12-1441 - Cam Bearing Washer .055 Size
Eastern Motorcycle Parts
$28.79V-Twin - 12-1441 - Cam Bearing Washer .055 SizeDescriptionCam bearing washer .055 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$28.79 -
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$12.47V-Twin - 12-0936 - Valve Guide Retaining Snap RingDescriptionValve guide retaining snap ring. Fits:FL 1979-1980FX 1979-1980Additional InformationMSRP: $13.86$12.47 -
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 - 12-0718 - Cam Shim .010 fits #2 Cams
Eastern Motorcycle Parts
MSRP: $18.34$16.50V-Twin - 12-0718 - Cam Shim .010 fits #2 CamsDescriptionCam shim .010 fits #2 Cam for XL and Flathead models. Fits:UL 1937-1948XL 1957-1985WL 1932-1952G 1932-1973Additional InformationMSRP: $18.34$16.50 -
V-Twin - 12-0713 - Sprocket Shaft Bearing Shim .003
Eastern Motorcycle Parts
MSRP: $15.86$14.27V-Twin - 12-0713 - Sprocket Shaft Bearing Shim .003DescriptionSprocket shaft bearing shim, .003" thick. Fits:XL 1952-1976Additional InformationMSRP: $15.86$14.27 -
V-Twin - 12-0431 - Left Crankcase Main Bearing Set
Motorshop
$58.67V-Twin - 12-0431 - Left Crankcase Main Bearing SetDescriptionV-twin left crankcase main bearing set is factory assembled with correct spacer for proper end play.Sold as a pair. Fits:XL...$58.67 -
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
MSRP: $71.58$67.42V-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...MSRP: $71.58$67.42 -
V-Twin - 12-0201 - Crank Pin Keys
Eastern Motorcycle Parts
MSRP: $19.80$18.59V-Twin - 12-0201 - Crank Pin KeysDescriptionCrank pin keys Fits:XL 1957-1981 Pinion ShaftFL 1941-1980FX 1971-1980 Crank PinAdditional InformationMSRP: $19.80$18.59 -
V-Twin - 12-0152 - Tappet Oil Screen Kit and Chrome Top Plug
Motorshop
MSRP: $40.51$39.70V-Twin - 12-0152 - Tappet Oil Screen Kit and Chrome Top PlugDescriptionTappet oil screen kit with chrome top plug includes screen o-ring and spring. For Shovelhead and Evolution. Fits:FXST...MSRP: $40.51$39.70 -
V-Twin - 12-0001 - Big Twin Compensator Shim - Fits 2007-2016 Harley-Davidson FLST, 2011-2013 FLT, 2009-2013 FLHXXX, 2007-2016 FXST, 2006-2013 FXD
V-Twin Mfg
$12.54Big Twin compensator shim is 0.031" thick. Fits:FLST 2007-2016FLT 2011-2013FLHXXX 2009-2013FXST 2007-2016FXD 2006-2013Additional Information$12.54 -
V-Twin - 11-1728 - 900cc Piston Ring Set .040 Oversize
Rowe
MSRP: $66.57$64.70V-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...MSRP: $66.57$64.70 -
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$74.85V-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$74.85 -
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 - 11-1333 - 1270cc Cylinder and Piston Conversion Kit Black
V-Twin Mfg
$585.66V-Twin - 11-1333 - 1270cc Cylinder and Piston Conversion Kit BlackDescriptionBig bore cylinder kit for 883-1270cc conversion on Sportster models and has a 10.1 compression ratio.Increase your...$585.66 -
V-Twin - 11-1280 - Sifton Soft Touch Lifter Set - Fits 1971-1984 Harley-Davidson FX, 1966-1984 FL
V-Twin Mfg
MSRP: $191.93$174.48Sifton soft touch lifter set includes hydraulic lifters, maxi axles and solid pushrods. Fits: FX 1971-1984 FL 1966-1984 Additional Information UOMMSRP: $191.93$174.48
V-Twin - 11-1273 - 1270cc Cylinder and Piston Conversion Kit Silver - Fits 1986-2003 Harley-Davidson XL
V-Twin Mfg
$585.66Big bore cylinder kit for 1200-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio of 10.1.Increase your horsepower with our V-Twin 1270cc big bore conversion...$585.66
V-Twin - 11-1239 - 74 inch Piston Ring Set Standard
Rowe
MSRP: $74.58$67.12V-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$67.12
V-Twin - 11-1223 - M8 Cast Iron Intake Valve Guide
Kibblewhite
MSRP: $11.86$10.67V-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$10.67
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 - 11-1076 - Pushrod Clips
Motorshop
$46.00V-Twin - 11-1076 - Pushrod ClipsDescriptionChrome pushrod clips are 55.5mm long.Sold as a set of 4. Replacement for M8 pushrod cover kits. Fits:FLT 2017-UPFXST 2018-UPAdditional Information$46.00
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 - 11-0928 - Pushrod Cover Cup and Clip Kit
Motorshop
$55.95V-Twin - 11-0928 - Pushrod Cover Cup and Clip KitDescriptionV-Twin chrome replacement upper pushrod cover kit, outer. Each kit contains 4 chrome clips, 4 springs, 4 cork gaskets and 4 steel washers...$55.95
V-Twin - 11-0909 - Pushrod Cover Kit
Motorshop
$121.12V-Twin - 11-0909 - Pushrod Cover KitDescriptionChrome stock style pushrod cover kit includes a 16 piece set with all the parts needed for complete installation for Evolution Big Twins. Fits:FXST...$121.12
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 - 11-0856 - Piston Wrist Pin Lock
Eastern Motorcycle Parts
MSRP: $10.10$9.09V-Twin - 11-0856 - Piston Wrist Pin LockDescriptionWrist pin lock for 2000-up TC-88 pistons Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional InformationMSRP: $10.10$9.09
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
$23.69V-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...$23.69
V-Twin - 11-0420 - 3-5/16 inch Piston Set .050 Oversize
Eastern Motorcycle Parts
MSRP: $237.41$228.06V-Twin - 11-0420 - 3-5/16 inch Piston Set .050 OversizeDescriptionPiston set 3-5/16" bore is .050 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...MSRP: $237.41$228.06
V-Twin - 11-0408 - 3-7/16 inch Piston Set Standard Size
Eastern Motorcycle Parts
MSRP: $255.63$241.56V-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...MSRP: $255.63$241.56
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.