Engine
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Out of stock
Wiseco - 09106945 - Piston Kit - 4.080" - 118" M8
Wiseco
$259.95WISECO - 09106945 - Piston Kit - 4.080" - 118" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95 -
Out of stock
Wiseco - 09106946 - Piston Kit - 4.135" - 121" M8
Wiseco
$259.95WISECO - 09106946 - Piston Kit - 4.135" - 121" M8 Features Features ArmorX™ piston coating for protection in extreme conditions and reduced wear ArmorFit™ skirt coating auto-adjusts to the...$259.95 -
Out of stock
Wiseco - 09106944 - Piston Kit - 4.075" - 117" M8
Wiseco
$259.95WISECO - 09106944 - Piston Kit - 4.075" - 117" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95 -
Out of stock
Wiseco - 09106943 - Piston Kit - 4.016" - 114" M8
Wiseco
$259.95WISECO - 09106943 - Piston Kit - 4.016" - 114" M8FeaturesFeatures ArmorX™ piston coating for protection in extreme conditions and reduced wearArmorFit™ skirt coating auto-adjusts to the cylinder...$259.95 -
Out of stock
S&S Cycle - 09040165 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040165 - 129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95 -
Out of stock
S&S Cycle - 09040164 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8
S&S Cycle
MSRP: $3,359.95$3,294.95S&S CYCLE - 09040164 - 132" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish...MSRP: $3,359.95$3,294.95 -
Out of stock
S&S Cycle - 09040155 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black w/o Highlight Fins - M8
S&S Cycle
MSRP: $3,559.95$3,497.95S&S CYCLE - 09040155 - 132" Power Pack - 550 Gear Drive - Oil Cooled - Black w/o Highlight Fins - M8Features550 lift for the ideal combination of horse power and torquePowder coat finish matched to...MSRP: $3,559.95$3,497.95 -
Out of stock
S&S Cycle - 09040145 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
S&S Cycle
$3,294.95S&S CYCLE - 09040145 - Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8FeaturesBolt-on kitWith updated finsNo case machining requiredForged pistonsMade in the USAIncludes oil...$3,294.95 -
Out of stock
S&S Cycle - 09040133 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040133 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95 -
Out of stock
S&S Cycle - 09040134 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/o Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040134 - Power Pack - 4.500" Stroke - Oil Cooled - Black w/o Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95 -
Out of stock
S&S Cycle - 09040132 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
$3,497.95S&S CYCLE - 09040132 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,497.95 -
Out of stock
S&S Cycle - 09040129 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8
S&S Cycle
$3,265.95S&S CYCLE - 09040129 - Power Pack - 4.500" Stroke - Oil Cooled - Black Granite w/Highlights - M8Features114" to 128" big bore kit; 114" and 117" CVO to 128" big bore kitBolt-in kit, case maching not...$3,265.95 -
Out of stock
V-Twin - 49-1877 - Side Valve Feed Pump Upgrade - Fits 1952-1973 Harley-Davidson G, 1937-1940 U, 1937-1940 W, 1952 W
V-Twin Mfg
$152.69Feed pump upgrade for cast pump, flat type, as on 80" Side Valve and late G models.Includes rotor with 4 vanes for added oil pressure! Installation will require using muliple gaskets. Each rotor will...$152.69 -
Out of stock
V-Twin - 49-1386 - 80 inch ULH Front and Rear Cylinder Kit
Motorshop
$1,615.34V-Twin - 49-1386 - 80 inch ULH Front and Rear Cylinder KitDescription80" complete cylinder set includes standard piston set and rings fitted to front and rear cylinder bore.Standard size fitted...$1,615.34 -
Out of stock
V-Twin - 49-1385 - 74 inch UL Front and Rear Cylinder Kit
Motorshop
$1,563.19V-Twin - 49-1385 - 74 inch UL Front and Rear Cylinder KitDescription74" complete cylinder set includes standard piston set and rings fitted to front and rear cylinder.Order valves springs and covers...$1,563.19 -
Out of stock
V-Twin - 49-1350 - Knucklehead Bare Cylinder Head Set
Motortechnic
MSRP: $2,140.40$2,049.65V-Twin - 49-1350 - Knucklehead Bare Cylinder Head SetDescriptionKnuckle bare cylinder head set is painted black with large port heads. Fits:EL 1940-1947Additional InformationMSRP: $2,140.40$2,049.65 -
Out of stock
V-Twin - 49-1336 - Knucklehead Rocker Box Seal Kit - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$94.99Knucklehead rocker box seal kit includes 4 outer washer, 4 cork seals and 4 clips.This is a 12 piece kit. Fits:EL 1936-1937Additional Information UOM$94.99 -
Out of stock
V-Twin - 49-0967 - UL-ULH Valve Cover Set Zinc - Fits 1939-1941 Harley-Davidson ULH, 1939-1948 UL
V-Twin Mfg
$250.69UL and ULH zinc valve cover set. Fits:ULH 1939-1941UL 1939-1948Additional Information OEM No.18236-39$250.69 -
Out of stock
V-Twin - 49-0909 - Head Set Aluminum - Fits 1936-1948 Harley-Davidson U
V-Twin Mfg
$799.76Front and rear aluminum heads for 74" and 80" side valve models. Fits:U 1936-1948Additional Information OEM No.16670-36F$799.76 -
Out of stock
V-Twin - 49-0865 - 45 inch Top End Kit - Fits 1933-1973 Harley-Davidson G, 1936-1952 W
V-Twin Mfg
$2,198.0345" top end kit includes a 45" valve cover kit, 45" lifter kit, valve spring kit, front and rear 45" cylinder, four Sifton interchangeable intake and exhaust valves, high compression head, gasket...$2,198.03 -
Out of stock
V-Twin - 49-0810 - Finned Panhead Valve Cover Set Polished - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$508.06Finned Panhead valve cover set features polished finned covers for front and rear on OE stock or custom frames.Finned Pan valve cover is clearaced rear head installation. Suggested to check clearance...$508.06 -
Out of stock
V-Twin - 49-0804 - 45 inch Replica Rear Cylinder - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$519.95Replica rear cylinder for 45" models, 750cc, features cast iron construction and finish bore size is 2.752".The valve seats cut valve guides are included. Accepts cast iron or aluminum heads. ...$519.95 -
Out of stock
V-Twin - 49-0708 - Side Valve Oil Feed Pump Assembly Parkerized - Fits 1937-1952 Harley-Davidson WL, 1937-1973 G
V-Twin Mfg
$377.162023 New Production oil feed pump assembly is for W and G Side Valve models. Assembly features a parkerized finish. Fits:WL 1937-1952G 1937-1973Additional Information$377.16 -
Out of stock
V-Twin - 49-0686 - 80 inch ULH Side Valve Cylinder Set
Motorshop
$1,316.62V-Twin - 49-0686 - 80 inch ULH Side Valve Cylinder SetDescriptionThese 80" black front and rear bare cast iron cylinders are sold in sets and are ready to be fitted with standard pistons.Order...$1,316.62 -
Out of stock
V-Twin - 49-0685 - 74 inch Side Valve Cylinder Set
Motorshop
$1,136.84V-Twin - 49-0685 - 74 inch Side Valve Cylinder SetDescriptionThese 74" cast iron cylinders are sold in sets and are ready to be fitted with standard pistons.Order valves and springs separately...$1,136.84 -
Out of stock
V-Twin - 49-0378 - 45 inch Front and Rear Cylinder Kit
Motorshop
$1,092.03V-Twin - 49-0378 - 45 inch Front and Rear Cylinder KitDescriptionFront and rear cylinder with 2 pistons, rings, valve guides and intake manifold nipples installed. For 45 cubic inch Side Valve, WL...$1,092.03 -
Out of stock
V-Twin - 49-0192 - Valve Cover Set Zinc - Fits 1937-1938 Harley-Davidson UL
V-Twin Mfg
$250.69Zinc valve covers is a 12 piece set including valve cover seals. Fits:UL 1937-1938Additional Information UOM1 - SET$250.69 -
Out of stock
V-Twin - 49-0058 - Replica 45 Rod Cage Kit Steel - Fits 1932-1952 Harley-Davidson WL, 1929-1931 DL, 1932-1973 G
V-Twin Mfg
MSRP: $82.13$81.31Replica steel rod cage kit includes standard size roller set.Kit includes 4 cages with 24 short rollers, featuring 12 1/4 x .270 rollers and 1/4 x .550 long rollers. ...MSRP: $82.13$81.31 -
Out of stock
V-Twin - 43-9162 - Top Rocker Box Cover Chrome
Volt Tech
$149.71V-Twin - 43-9162 - Top Rocker Box Cover ChromeDescriptionChrome top rocker box cover Fits:FLT 1984-1991FXR 1984-1991FLST 1986-1991FXST 1984-1991Additional Information$149.71 -
Out of stock
V-Twin - 43-0536 - Chrome Engine Dress Up Kit - Fits 2001-2006 Harley-Davidson FLSTC, 2006 FLST, 2001-2006 FXST (TC-88)
V-Twin Mfg
$1,205.59Chrome engine dress up kit includes chrome parts and hardware for installation.Chrome engine dress up kit includes chrome parts and hardware for installation. Kits require removal of engine to...$1,205.59 -
Out of stock
V-Twin - 43-0520 - Chrome Engine Dress Up Kit - Fits 1987-1988 Harley-Davidson FLST, FXST
V-Twin Mfg
$724.47Chrome engine dress up kit includes chrome parts and hardware for installation.Kit requires removal of engine to install the rocker box covers. this kit includes the chrome rocker box cover set, cam...$724.47 -
Out of stock
V-Twin - 43-0514 - Chrome Engine Dress Up Kit - Fits 1985-1986 Harley-Davidson FXR, FLT
V-Twin Mfg
$660.87Chrome engine dress up kit includes chrome parts and hardware for installation.Kit requires removal of engine to install the rocker box covers. This kit includes chrome rocker box cover set,...$660.87 -
Out of stock
V-Twin - 43-0506 - Chrome Engine Dress Up Kit - Fits 1970-1984 Harley-Davidson FL
V-Twin Mfg
$1,176.40Dress up kit comes with chrome parts and hardware for installation.Kit is for Shovelhead 4-speed chain drive kick and electric start models. This kit includes chrome rocker box cover set, rocker box...$1,176.40 -
Out of stock
V-Twin - 43-0450 - Chrome Cam and Sprocket Cover Set - Fits 1991-2003 Harley-Davidson XL
V-Twin Mfg
$434.89Chrome right side cam and sprocket cover set includes cam cover, sprocket cover with gasket and chrome allen screws for installation.*Note: UPS may consider this part as packaged "oversize" for...$434.89 -
Out of stock
V-Twin - 43-0310 - Chrome Engine Dress Up Kit - Fits 1971-1976 Harley-Davidson XLCH
V-Twin Mfg
$531.14Chrome engine dress up kit includes rocher end nuts, sprocket cover cam cover trim and outer primary cover kit.NOTE: Kit does not include chrome rocker box cover set. Fits:XLCH 1971-1976Additional...$531.14 -
Out of stock
V-Twin - 42-9974 - Eagle Spirit Ignition Module Cover Gold Inlay - Fits 1982-2003 Harley-Davidson XL
V-Twin Mfg
$58.04Chrome ignition module cover with a gold inlay Eagle Spirit design. Fits:XL 1982-2003Additional Information UOM1 - EA$58.04 -
Out of stock
V-Twin - 42-8690 - Chrome Engine Dress Up Kit - Fits 1986-1990 Harley-Davidson XL
V-Twin Mfg
$1,105.37Chrome engine dress up kit includes die cast parts to replace original covers. Kit includes primary cover, rocker box cover tops, cam cover, and sprocket cover. Fits:XL 1986-1990Additional Information$1,105.37 -
Out of stock
V-Twin - 42-1153 - Head Bolt and Spark Plug Cover Kit Black
V-Twin Mfg
$80.75V-Twin - 42-1153 - Head Bolt and Spark Plug Cover Kit BlackDescriptionBlack cylinder head bolt and spark plug cover kit for EFI models. Fits:FLT 1999-2016FLST 2000-UPFXST 2000-UPFXD...$80.75 -
Out of stock
V-Twin - 42-1055 - Chrome Engine Dress Up Kit - Fits 1991-1993 Harley-Davidson XL
V-Twin Mfg
$871.15Chrome engine dress up kit include all die cast replacement parts. This kit includes a chrome outer primary cover kit, rocker box covers, shifter arm, cam cover, cam cover gasket kit, and a cam and...$871.15 -
Out of stock
V-Twin - 42-1052 - Chrome Engine Dress Up Set - Fits 1991-2003 Harley-Davidson XL
V-Twin Mfg
$207.63Chrome engine dress up kit features chrome covers to fit over original aluminum covers which are formed to mirror the contour for a skin tight fit. Includes cam cover trim, sprocket cover trim, and...$207.63
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.