Engine
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V-Twin - 10-0570 - Replica Standard Hydraulic Tappet Assembly Set
Motorshop
$200.70V-Twin - 10-0570 - Replica Standard Hydraulic Tappet Assembly SetDescriptionReplica assembly includes installed standard roller assembly and adjuster screws. Tappets have an inner diameter of 12.65mm...$200.70 -
V-Twin - 10-0567 - Standard Sifton Lightning Tappet Set
Motorshop
$196.24V-Twin - 10-0567 - Standard Sifton Lightning Tappet SetDescriptionSolid Sifton tappet assembly includes installed roller assembly.Tappet has holes for better lubrication. Adjuster screws are not...$196.24 -
V-Twin - 10-0566 - Chrome Rocker Box Cover Set
Motorshop
$190.49V-Twin - 10-0566 - Chrome Rocker Box Cover SetDescriptionChrome rocker box covers for XL models.Sold as a pair. Fits:XL 2004-UPAdditional Information <$190.49 -
V-Twin - 10-0563 - Replica Cam Cover Chrome
Motorshop
$290.18V-Twin - 10-0563 - Replica Cam Cover ChromeDescriptionReplica cover includes bushings installed. Fits:XL 2004-UPAdditional Information$290.18 -
V-Twin - 10-0558 - Cam Cover Polished
Motorshop
$392.22V-Twin - 10-0558 - Cam Cover PolishedDescriptionPolished surface cam cover include bushings for cams and have a cutout for the starter motor.Lower mount hole is slotted. Cover is for electric start...$392.22 -
V-Twin - 10-0552 - Magnum 3-Hole Crank Pin
Motorshop
MSRP: $73.22$72.48V-Twin - 10-0552 - Magnum 3-Hole Crank PinDescriptionMade of 8620 steel with .62 heat treated penetration and is a 3-hole type. Fits:XL 1957-1980Additional InformationMSRP: $73.22$72.48 -
V-Twin - 10-0550 - 3-Hole Crank Pin
Eastern Motorcycle Parts
MSRP: $68.62$61.75V-Twin - 10-0550 - 3-Hole Crank PinDescriptionMade of 8620 steel with .120 heat treatment and is 3-hole type. Fits:XL 1957-1980Additional InformationMSRP: $68.62$61.75 -
V-Twin - 10-0543 - Tappet Screw Kit
Motorshop
MSRP: $41.49$40.66V-Twin - 10-0543 - Tappet Screw KitDescriptionAdjuster screw kit includes 4 screws and 4 matching lock nuts. Fits:G 1949-1973WL 1940-1952Additional InformationMSRP: $41.49$40.66 -
V-Twin - 10-0532 - Hydraulic Tappet Assembly .025
Eastern Motorcycle Parts
MSRP: $63.22$61.44V-Twin - 10-0532 - Hydraulic Tappet Assembly .025DescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...MSRP: $63.22$61.44 -
V-Twin - 10-0529 - Tappet Roller Kit
S&S Cycle
MSRP: $183.96$174.12V-Twin - 10-0529 - Tappet Roller KitDescriptionRepair kit includes 4 pins and 4 roller assemblies. Fits:XL 1986-1999Additional InformationMSRP: $183.96$174.12 -
V-Twin - 10-0525 - Hydraulic Tappet Assembly .010
Motorshop
$55.11V-Twin - 10-0525 - Hydraulic Tappet Assembly .010DescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...$55.11 -
V-Twin - 10-0521 - Hydraulic Tappet Insert
S&S Cycle
MSRP: $149.96$141.15V-Twin - 10-0521 - Hydraulic Tappet InsertDescriptionCrane precision machined hydraulic insert is a high quality replacement for OE or Crane hydraulic tappets.Replaces Crane Cams hydraulic tappets...MSRP: $149.96$141.15 -
V-Twin - 10-0519 - Tappet Adjuster Screw
Eastern Motorcycle Parts
MSRP: $32.64$30.51V-Twin - 10-0519 - Tappet Adjuster ScrewDescriptionSet of 4 tappet adjuster screws.Set of four. Fits:U 1940-1948G 1949-1973WL 1940-1952Additional InformationMSRP: $32.64$30.51 -
V-Twin - 10-0518 - Left Hand Pinion Shaft Screws
Eastern Motorcycle Parts
MSRP: $49.17$47.79V-Twin - 10-0518 - Left Hand Pinion Shaft ScrewsDescriptionPack of 5 pinion shaft screws for the left hand side. Fits:FL 1951-1953Additional InformationMSRP: $49.17$47.79 -
V-Twin - 10-0516 - Tappet Adjuster Screw
Eastern Motorcycle Parts
MSRP: $76.57$68.91V-Twin - 10-0516 - Tappet Adjuster ScrewDescriptionSet of 4 tappet adjuster screws are 9/32"-32.Set of four. Fits:EL 1936-1940FL 1941-1952Additional InformationMSRP: $76.57$68.91 -
V-Twin - 10-0512 - Standard Solid Lightning Tappet Assembly
Eastern Motorcycle Parts
MSRP: $81.43$79.39V-Twin - 10-0512 - Standard Solid Lightning Tappet AssemblyDescriptionUnit is precision machined and drilled for earlier motors. Holes allow better lubrication in valve train.Adjuster scews are...MSRP: $81.43$79.39 -
V-Twin - 10-0507 - Lightning Tappet Assembly .005
Eastern Motorcycle Parts
MSRP: $90.69$88.36V-Twin - 10-0507 - Lightning Tappet Assembly .005DescriptionSifton assembly includes installed roller assembly and adjuster screws or nut for application.Tappet has holes for better lubrication...MSRP: $90.69$88.36 -
V-Twin - 10-0506 - Standard Lightning Tappet Assembly
Eastern Motorcycle Parts
MSRP: $90.69$88.36V-Twin - 10-0506 - Standard Lightning Tappet AssemblyDescriptionSifton assembly includes installed roller assembly and adjuster screws or nut for application.Tappet has holes for better lubrication...MSRP: $90.69$88.36 -
V-Twin - 10-0505 - Hydraulic Tappet Assembly .005
Motorshop
$66.20V-Twin - 10-0505 - Hydraulic Tappet Assembly .005DescriptionReplica hydraulic tappet assembly is .005 oversized and has standard rollers installed.Order hydraulic units separately. Fits:FLT...$66.20 -
V-Twin - 10-0504 - Standard Hydraulic Tappet Assembly
Eastern Motorcycle Parts
$74.92V-Twin - 10-0504 - Standard Hydraulic Tappet AssemblyDescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...$74.92 -
V-Twin - 10-0503 - Solid Tappet Assembly .005
Eastern Motorcycle Parts
MSRP: $83.25$82.41V-Twin - 10-0503 - Solid Tappet Assembly .005DescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:XL 1957-1985Additional InformationMSRP: $83.25$82.41 -
V-Twin - 10-0502 - Standard Solid Tappet Assembly
Eastern Motorcycle Parts
MSRP: $83.25$82.44V-Twin - 10-0502 - Standard Solid Tappet AssemblyDescriptionEastern solid standard tappet assembly includes roller assembly installed. Fits:XL 1957-1985Additional InformationMSRP: $83.25$82.44 -
V-Twin - 10-0501 - Solid Tappet Assembly .005
Eastern Motorcycle Parts
$88.36V-Twin - 10-0501 - Solid Tappet Assembly .005DescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:FL 1948-1952Additional Information$88.36 -
V-Twin - 10-0500 - Standard Solid Tappet Assembly
Eastern Motorcycle Parts
$88.36V-Twin - 10-0500 - Standard Solid Tappet AssemblyDescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:FL 1948-1952Additional Information$88.36 -
V-Twin - 10-0499 - Knucklehead Cam Chest Assembly Kit - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
MSRP: $1,028.23$854.10V-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, replica finned cam cover for 61 and 74 engines, and hardware...MSRP: $1,028.23$854.10 -
V-Twin - 10-0489 - Black Cam and Sprocket Cover Set
Motorshop
$367.40V-Twin - 10-0489 - Black Cam and Sprocket Cover SetDescriptionCam and sprocket cover set features a black finish. Fits:XL 2004-UPAdditional Information$367.40 -
V-Twin - 10-0488 - Sifton Engine Pinion Shaft
Motorshop
$84.05V-Twin - 10-0488 - Sifton Engine Pinion ShaftDescriptionMachined and hardened to factory specifications.*NOTE: Must order case race, key oil pump gear and key pinion gear separately. Fits:FX...$84.05 -
V-Twin - 10-0487 - Cam Chain Guide - Fits 1999-2006 Harley-Davidson FLST, FXST, FLT, 1999-2005 FXD
V-Twin Mfg
$11.81Cam chain guide for TC-88 models is made to OEM specifications and is constructed of ABS plastic.The design of the cam chain guide helps reduce premature wearing of the chain and the guide. Fits:FLST...$11.81 -
V-Twin - 10-0486 - Secondary Cam Drive Chain Tensioner - Fits 1999-2006 Harley-Davidson FLST, FXST, FLT, 1999-2005 FXD
V-Twin Mfg
$69.97Secondary cam drive chain tensioner for TC-88 models.Cam drive chain tensioner is manufactured to meet OEM specifications for long lasting durability and performance. Fits:FLST 1999-2006FXST...$69.97 -
V-Twin - 10-0483 - Primary Cam Drive Chain - Fits 1999-2006 Harley-Davidson FLST, FXST, FLT, 1999-2005 FXD
V-Twin Mfg
$66.20Primary cam drive chain is for Twin Cam models. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2005Additional Information OEM N$66.20 -
V-Twin - 10-0481 - Secondary Cam Drive Chain
V-Twin Mfg
$67.39Secondary cam drive chain is for Twin Cam models. Fits: FXDX 2002-2005 FLTR 1999-2004 FXDL 1999-2000 FLHT 1999-2006 FLHRI 2000-2006 FLHRSEI 2000-2003 FLHRCI 2000-2006 FXSTD...$67.39 -
V-Twin - 10-0479 - Engine Sprocket Shaft
Motorshop
$84.03V-Twin - 10-0479 - Engine Sprocket ShaftDescriptionV-Twin engine sprocket shaft for 45 side valve models. Fits:WL 1937-1952DL 1929-1931WL 1932-1936G 1932-1973Additional Information$84.03 -
V-Twin - 10-0478 - Chrome Cam and Sprocket Cover Set
Motorshop
$420.65V-Twin - 10-0478 - Chrome Cam and Sprocket Cover SetDescriptionCam and sprocket cover set features a chrome finish. Fits:XL 2004-UPAdditional Information$420.65 -
V-Twin - 10-0452 - .020 Solid Tappet Assembly
Eastern Motorcycle Parts
$59.82V-Twin - 10-0452 - .020 Solid Tappet AssemblyDescriptionEastern brand assembly includes installed standard roller assembly and adjuster screws. Fits:XL 1957-1985Additional Information$59.82 -
V-Twin - 10-0449 - 45 inch WL Engine Pinion Shaft
Eastern Motorcycle Parts
$132.91V-Twin - 10-0449 - 45 inch WL Engine Pinion ShaftDescriptionPrecision ground for correct fitment. Fits:WL 1937-1952G 1937-1973Additional Information$132.91 -
V-Twin - 10-0441 - Overhead Valve Engine Pinion Shaft
Motorshop
$100.72V-Twin - 10-0441 - Overhead Valve Engine Pinion ShaftDescriptionMachined and ground to factory specifications.*NOTE: Check spline timing in relation to key way, 12 o'clock on top, and oil hole, large...$100.72 -
V-Twin - 10-0439 - Pinion Shaft
Motorshop
$53.33V-Twin - 10-0439 - Pinion ShaftDescriptionMachined and hardened to factory specifications. Fits:FXR 1983-1986FXST 1984-1986FX 1983-1984FLST 1986-1986FLT 1983-1984FL 1983-1984Additional Information$53.33 -
V-Twin - 10-0437 - Engine Sprocket Shaft
Eastern Motorcycle Parts
$101.41V-Twin - 10-0437 - Engine Sprocket ShaftDescriptionMachined and hardened to factory specifications. Fits:WL 1937-1952DL 1929-1931WL 1932-1936G 1932-1973Additional Information$101.41 -
V-Twin - 10-0433 - 45 inch WL Replica Pinion Shaft
Motorshop
$71.15V-Twin - 10-0433 - 45 inch WL Replica Pinion ShaftDescriptionReplica pinion shaft is machined and ground to factory specifications. Fits:WL 1937-1952G 1937-1973Additional Information<$71.15 -
V-Twin - 10-0430 - Left Case Oil Slinger
Eastern Motorcycle Parts
MSRP: $23.40$21.87V-Twin - 10-0430 - Left Case Oil SlingerDescriptionBig Twin Internal left bearing end spacer. Fits:WL 1939-1952G 1939-1973Additional InformationMSRP: $23.40$21.87
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.