Engine
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Out of stock
S&S Cycle - Natural 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads
S&S Cycle
$1,155.95S&S Cycle - Natural 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads S&S Cycle's 80" Bore Cylinder & Piston Kits feature S&S 3½" bore cylinders and forged...$1,155.95 -
Out of stock
S&S Cycle - Wrinkle Black 124" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'21 107" M8 Engines
S&S Cycle
$1,561.95S&S Cycle - Wrinkle Black 124" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the...$1,561.95 -
Out of stock
V-Twin - 10-1957 - Panhead Cylinder Head Set with Valves
Motorshop
$1,430.38V-Twin - 10-1957 - Panhead Cylinder Head Set with Valves Description Cylinder heads are fully assembled with valves, springs and collars.V-Twin Motor Shop Ready Panheads with valves feature...$1,430.38 -
Out of stock
S&S Cycle - Wrinke Black 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines
S&S Cycle
$1,595.95S&S Cycle - Wrinke Black 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of...$1,595.95 -
Out of stock
S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Non-Highlighted Cylinder Fins fits '17-'21 M8 Engines
S&S Cycle
MSRP: $1,559.95$1,509.95S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Non-Highlighted Cylinder Fins fits '17-'21 M8 Engines S&S Cycle's Stroker Cylinder & Piston Kit is a bolt-on kit that is compatible...MSRP: $1,559.95$1,509.95 -
Out of stock
S&S Cycle - 310-1263A - Cam Chest - Oil Cooled - Chain Drive - Chrome Pushrod Tubes - M8
S&S Cycle
$1,522.95S&S Cycle - 310-1263A - Cam Chest - Oil Cooled - Chain Drive - Chrome Pushrod Tubes - M8FeaturesOil Pump/Cam Plate:Precision machined from billet aluminumPassage plugs are removable for...$1,522.95 -
Out of stock
S&S Cycle - 310-1262A - Cam Chest - Oil Cooled - Chain Drive - Black Pushrod Tubes - M8
S&S Cycle
$1,522.95S&S Cycle - 310-1262A - Cam Chest - Oil Cooled - Chain Drive - Black Pushrod Tubes - M8FeaturesOil Pump/Cam Plate:Precision machined from billet aluminumPassage plugs are removable for...$1,522.95 -
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 - 49-0686 - 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 - 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 - 43-0506 - 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 - 10-1888 - Shovelhead Case Set
Motorshop
$1,616.41V-Twin - 10-1888 - Shovelhead Case SetDescriptionShovelhead motor case set for flat side models with cast aluminum inner primary cover. Set includes tapered bearing assembly for left side and case...$1,616.41 -
Out of stock
V-Twin - 10-1383 - Knucklehead Engine Case Set
Motorshop
$1,591.51V-Twin - 10-1383 - Knucklehead Engine Case SetDescriptionMotor case set features a blank number boss, there are no serial numbers on the case. The left side case features detailed shape. Sold with...$1,591.51 -
Out of stock
V-Twin - 10-1134 - UL Flywheel Assembly
Motorshop
$1,502.60V-Twin - 10-1134 - UL Flywheel AssemblyDescriptionFlywheel assembly for 74 and 80" Side Valve Flathead motors. Fully assembled and trued. Assembly includes brand new components and fitted pinion gear...$1,502.60 -
Out of stock
V-Twin - 10-1132 - Stock Flywheel Assembly
Motorshop
$1,274.17V-Twin - 10-1132 - Stock Flywheel AssemblyDescriptionMotorshop ready flywheel assembly is shipped assembled and trued with shafts. Fits:XL 1981-1985Additional Information$1,274.17 -
Out of stock
V-Twin - 10-1097 - Stock Flywheel Assembly
Motorshop
$1,297.51V-Twin - 10-1097 - Stock Flywheel AssemblyDescriptionFlywheel assembly with rods and Torrington rollers.Flywheel assembly feature full weight flywheels, with removable pinion and sprocket shafts,...$1,297.51 -
Out of stock
V-Twin - 10-1089 - 80 inch Overhead Valve Flywheel Assembly
Motorshop
$1,375.09V-Twin - 10-1089 - 80 inch Overhead Valve Flywheel AssemblyDescriptionFlywheel assembly with 4-1/4" stroke is shipped assembled and trued with shafts. Sprocket shaft is correct length to use with...$1,375.09 -
Out of stock
V-Twin - 10-1079 - Stock Flywheel Assembly
Motorshop
$1,232.39V-Twin - 10-1079 - Stock Flywheel AssemblyDescriptionFeatures full weight flywheels with removable pinion and sprocket shafts, trued and balanced for cast pistons.Unit includes forged and machined...$1,232.39 -
Out of stock
V-Twin - 10-1076 - Stock Flywheel Assembly
Motorshop
$1,213.38V-Twin - 10-1076 - Stock Flywheel AssemblyDescriptionFeatures full weight flywheels with removable pinion and sprocket shafts, trued and balanced for cast pistons.Unit includes forged and machined...$1,213.38 -
Out of stock
V-Twin - 10-0104 - Knucklehead Engine Case Set - Fits 1937-1947 EL / 1941-1947 FL Harley-Davidson
Motorshop
$1,674.43V-Twin - 10-0104 - Knucklehead Engine Case Set Description Motor case set features a blank number boss, there are no serial numbers on the case. Sold with Bill of Sale only.Oil from top end returns...$1,674.43 -
Out of stock
Revolution Performance, Llc - RP201-140TM - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - Screamin' Eagle 120R Twin Cam
Revolution Performance
$1,599.95Revolution Performance, Llc - RP201-140TM - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - Screamin' Eagle 120R Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum...$1,599.95 -
Out of stock
Revolution Performance, Llc - RP201-414W - Cylinder Kit - 1250 cc - Big Bore - Black with Highlighted Fins - XL883
Revolution Performance
$1,343.95Revolution Performance, Llc - RP201-414W - Cylinder Kit - 1250 cc - Big Bore - Black with Highlighted Fins - XL883Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,343.95 -
Out of stock
Revolution Performance, Llc - RP201-135W - Cylinder Kit - 131" - Granite with Highlighted Fins - Twin Cam
Revolution Performance
$1,599.95Revolution Performance, Llc - RP201-135W - Cylinder Kit - 131" - Granite with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,599.95 -
Out of stock
Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin Cam
Revolution Performance
$1,599.95Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,599.95 -
Out of stock
Revolution Performance, Llc - RP201-171WG - Cylinder Kit - 117" - Granite with Highlighted Fins - Twin Cam
Revolution Performance
$1,529.95Revolution Performance, Llc - RP201-171WG - Cylinder Kit - 117" - Granite with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-608W - Cylinder Kit - 128" - Big Bore - Black - 114"/117" M8
Revolution Performance
$1,529.95Revolution Performance, Llc - RP201-608W - Cylinder Kit - 128" - Big Bore - Black - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-603W - Cylinder Kit - 124" - Big Bore - Black - 107" M8
Revolution Performance
$1,529.95Revolution Performance, Llc - RP201-603W - Cylinder Kit - 124" - Big Bore - Black - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-607W - Cylinder Kit - 128" - Big Bore - Black Granite with Highlighted Fins - 114"/117" M8
Revolution Performance
$1,529.95Revolution Performance, Llc - RP201-607W - Cylinder Kit - 128" - Big Bore - Black Granite with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-606W - Cylinder Kit - 128" - Big Bore - Black with Highlighted Fins - 114"/117" M8
Revolution Performance
$1,529.95Revolution Performance, Llc - RP201-606W - Cylinder Kit - 128" - Big Bore - Black with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-177W - Cylinder Kit - 113" - Big Bore - Granite with Highlighted Fins - Screamin Eagle | CVO 110" Twin Cam
Revolution Performance
$1,479.95Revolution Performance, Llc - RP201-177W - Cylinder Kit - 113" - Big Bore - Granite with Highlighted Fins - Screamin Eagle | CVO 110" Twin CamFeaturesrevolution performance logoAerospace-grade...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-119WD - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin Cam
Revolution Performance
$1,479.95Revolution Performance, Llc - RP201-119WD - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-111W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin Cam
Revolution Performance
$1,479.95Revolution Performance, Llc - RP201-111W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-103W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin Cam
Revolution Performance
$1,479.95Revolution Performance, Llc - RP201-103W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...$1,479.95 -
Out of stock
S&S Cycle - 310-1267 - Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Chrome Pushrods - Twin Cam
S&S Cycle
$1,522.95S&S Cycle - 310-1267 - Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Chrome Pushrods - Twin CamFeaturesOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs are removable...$1,522.95 -
Out of stock
S&S Cycle - 310-1265 - Cam Chest Kit without Cams - Chain Drive - Water Cooled - Chrome Pushrods - M8
S&S Cycle
$1,522.95S&S Cycle - 310-1265 - Cam Chest Kit without Cams - Chain Drive - Water Cooled - Chrome Pushrods - M8FeaturesOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs are removable for...$1,522.95 -
Out of stock
S&S Cycle - 310-1264 - Cam Chest Kit without Cams - Chain Drive - Water Cooled - Black Pushrods - M8
S&S Cycle
$1,522.95S&S Cycle - 310-1264 - Cam Chest Kit without Cams - Chain Drive - Water Cooled - Black Pushrods - M8FeaturesOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs are removable for...$1,522.95 -
Out of stock
S&S Cycle - 310-1263 - Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Chrome Pushrods - M8
S&S Cycle
$1,614.33S&S Cycle - 310-1263 - Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Chrome Pushrods - M8FeaturesOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs are removable for...$1,614.33 -
Out of stock
S&S Cycle - 310-1262 - Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Black Pushrods - M8
S&S Cycle
$1,522.95S&S Cycle - 310-1262 - Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Black Pushrods - M8FeaturesOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs are removable for...$1,522.95
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.