Engine
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Out of stock
V-Twin - 11-0857 - Cylinder Head Set With Rocker Assembly
Motorshop
$4,154.69V-Twin - 11-0857 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with natural finish. Head set includes valves, springs, collars, polished...$4,154.69 -
Out of stock
V-Twin - 11-0855 - Polished Rocker Box Assembly Set
Motorshop
$398.40V-Twin - 11-0855 - Polished Rocker Box Assembly SetDescriptionFront and rear rocker box assembly set with polished aluminum highlights, as OEM, for XL models.Includes shafts, rocker arms, nuts and...$398.40 -
Out of stock
V-Twin - 11-0847 - 3-5/16 inch Piston Set .010 Oversize
Motorshop
$285.53V-Twin - 11-0847 - 3-5/16 inch Piston Set .010 OversizeDescriptionPiston set with 3-5/16" bore is .010 oversize. Set includes hasting 3 piece ring, 2 wrist pins, and 4 circlips. Pistons have a steel...$285.53 -
Out of stock
V-Twin - 11-0821 - Lower Valve Collar Kit
Sonnax
MSRP: $74.70$67.23V-Twin - 11-0821 - Lower Valve Collar KitDescriptionSifton lower collar and seal kit includes 4 lower collars machined to accept K line style seals. 2 intake seals and 2 exhaust seals included.Top of...MSRP: $74.70$67.23 -
Out of stock
V-Twin - 11-0796 - Nitrate Valve and Spring Kit
Sifton
$142.11V-Twin - 11-0796 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$142.11 -
Out of stock
V-Twin - 11-0794 - Nitrate Valve and Spring Kit
Sifton
$226.56V-Twin - 11-0794 - Nitrate Valve and Spring KitDescriptionSifton valve and spring kit for Shovelhead models includes 2 intake and 2 exhaust valve with nitrate finish, complete spring set, keepers...$226.56 -
Out of stock
V-Twin - 11-0688 - Cast Iron .003 Exhaust Valve Guide - Fits 1971-1978 Harley-Davidson FX, 1948-1978 FL
V-Twin Mfg
MSRP: $13.72$12.47.003 exhaust valve guide, cast iron Fits:FX 1971-1978FL 1948-1978Additional Information UOM1 - EA ManMSRP: $13.72$12.47 -
Out of stock
V-Twin - 11-0667 - 1200cc Nitrate Steel Intake Valve
Eastern Motorcycle Parts
MSRP: $30.20$28.23V-Twin - 11-0667 - 1200cc Nitrate Steel Intake ValveDescriptionNitrate steel intake valve Fits:XL 1986-2003Additional InformationMSRP: $30.20$28.23 -
Out of stock
V-Twin - 11-0529 - Rocker Arm Front Exhaust Rear Intake
Motorshop
$63.82V-Twin - 11-0529 - Rocker Arm Front Exhaust Rear IntakeDescriptionReplica rocker arm only for front exhaust and rear intake. Fits:FL 1948-1965Additional Information$63.82 -
Out of stock
V-Twin - 11-0527 - Rocker Arm Assembly Rear Intake Front Exhaust
Motorshop
$146.73V-Twin - 11-0527 - Rocker Arm Assembly Rear Intake Front ExhaustDescriptionReplica rocker arm assembly includes one front exhaust and one rear intake and are complete with shafts and blocks. Fits:FL...$146.73 -
Out of stock
V-Twin - 11-0526 - Rocker Arm Assembly Rear Exhaust Front Intake
Motorshop
$146.73V-Twin - 11-0526 - Rocker Arm Assembly Rear Exhaust Front IntakeDescriptionReplica Rocker Arm Assembly are complete with shafts and blocks. Upper and lower block sets may have to be honed prior to...$146.73 -
Out of stock
V-Twin - 11-0510 - Big Bore Gasket and Parts Kit
Motorshop
$100.93V-Twin - 11-0510 - Big Bore Gasket and Parts KitDescriptionMagnum cylinder small parts kit is for installing 3-5/8" barrels on Shovelhead cases. Kit includes 2 head gaskets, base gaskets, 8 cylinder...$100.93 -
Out of stock
V-Twin - 11-0480 - Rocker Arm Kit
Motorshop
$644.62V-Twin - 11-0480 - Rocker Arm KitDescriptionPanhead rocker arm kit includes all pieces to completely assemble the rocker arms on both heads.Kit includes 4 rocker assemblies with matching fitted...$644.62 -
Out of stock
V-Twin - 11-0434 - K-Model Piston Kit .040 Oversize
Eastern Motorcycle Parts
MSRP: $239.97$228.06V-Twin - 11-0434 - K-Model Piston Kit .040 OversizeDescriptionPiston kit .040, Bore 2.745", includes rings. Fits:K 1952-1956Additional InformationMSRP: $239.97$228.06 -
Out of stock
V-Twin - 11-0421 - 3-5/16 inch Piston Set .060 Oversize
Eastern Motorcycle Parts
MSRP: $237.41$228.06V-Twin - 11-0421 - 3-5/16 inch Piston Set .060 OversizeDescriptionPiston set 3-5/16" bore is .060 oversize. Set includes ring set, 2 wrist pins and 4 circlips. Pistons have a steel expansion control...MSRP: $237.41$228.06 -
Out of stock
V-Twin - 11-0406 - Piston Kit .060 Oversize
Eastern Motorcycle Parts
MSRP: $220.71$208.57V-Twin - 11-0406 - Piston Kit .060 OversizeDescription.060 piston kit comes with .060 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...MSRP: $220.71$208.57 -
Out of stock
V-Twin - 11-0405 - Piston Kit .050 Oversize
Motorshop
$156.33V-Twin - 11-0405 - Piston Kit .050 OversizeDescription.050 piston kit comes with .050 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$156.33 -
Out of stock
V-Twin - 11-0403 - Piston Kit .030 Oversize
Eastern Motorcycle Parts
MSRP: $207.50$196.08V-Twin - 11-0403 - Piston Kit .030 OversizeDescription.030 piston kit comes with .030 thick piston rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast...MSRP: $207.50$196.08 -
Out of stock
V-Twin - 11-0402 - Piston Kit .020 Oversize
Motorshop
$155.65V-Twin - 11-0402 - Piston Kit .020 OversizeDescription.020 piston kit comes with .020 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as original...$155.65 -
Out of stock
V-Twin - 11-0401 - 45 inch WL/G Piston Kit .010 inch Oversize
Motorshop
$202.37V-Twin - 11-0401 - 45 inch WL/G Piston Kit .010 inch OversizeDescription.010 piston kit comes with .010 rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut...$202.37 -
Out of stock
V-Twin - 11-0400 - 45 inch WL/G Piston Kit Standard
Motorshop
$144.99V-Twin - 11-0400 - 45 inch WL/G Piston Kit StandardDescriptionStandard piston kit with standard rings, 2 wrist pins and 4 circlips. For 45" models.Pistons have a steel expansion control strut cast as...$144.99 -
Out of stock
V-Twin - 11-0386 - Replica 883cc Cylinder Black
Motorshop
$360.27V-Twin - 11-0386 - Replica 883cc Cylinder BlackDescriptionReplica Evolution 883cc black with silver finned cylinders are bored for standard pistons and require honing for final fitment. Fits:XL...$360.27 -
Out of stock
V-Twin - 11-0384 - 45 inch WL/G Piston Kit .005 inch Oversize
Motorshop
$330.54V-Twin - 11-0384 - 45 inch WL/G Piston Kit .005 inch OversizeDescription.005 oversize piston kit with rings, 2 wrist pins and 4 circlips, for 45" models.Kit includes hasting ring set with 3/32"...$330.54 -
Out of stock
V-Twin - 11-0379 - 45 inch Piston Kit Standard
Motorshop
$124.64V-Twin - 11-0379 - 45 inch Piston Kit StandardDescription45" standard piston kit is the original Harley-Davidson army surplus and includes the ring set.Sold as a set of 2. Fits:G 1936-1973W...$124.64 -
Out of stock
V-Twin - 11-0337 - 1200cc Cylinder and Piston Conversion Kit Black
Motorshop
$713.81V-Twin - 11-0337 - 1200cc Cylinder and Piston Conversion Kit BlackDescription1200cc XL conversion cylinder and piston set includes 2 black finished with milled silver finish edged fin cylinders with...$713.81 -
Out of stock
V-Twin - 11-0336 - 1200cc Cylinder and Piston Conversion Kit Silver
Motorshop
$713.81V-Twin - 11-0336 - 1200cc Cylinder and Piston Conversion Kit SilverDescription1200cc XL Conversion cylinder and piston set includes 2 silver finished with milled edge fin cylinders with fitted Wiseco...$713.81 -
Out of stock
V-Twin - 11-0331 - 95 inch Big Bore Twin Cam Piston Kit Standard
Eastern Motorcycle Parts
MSRP: $228.97$216.37V-Twin - 11-0331 - 95 inch Big Bore Twin Cam Piston Kit StandardDescription95" Big Bore piston kit is standard size for TC-88 models. Kit includes rings, clips, pins and 10.25:1 cast pistons.Order...MSRP: $228.97$216.37 -
Out of stock
V-Twin - 11-0317 - Standard Size 80 inch Overhead Valve Piston Set
Motorshop
$151.15V-Twin - 11-0317 - Standard Size 80 inch Overhead Valve Piston SetDescriptionPiston set is standard size 3-1/2" diameter with a compression ratio of 7:1. Set includes Hasting's three piece ring sets,...$151.15 -
Out of stock
V-Twin - 11-0315 - M8 Cylinder Head D-Ring
V-Twin Mfg
$43.66V-Twin - 11-0315 - M8 Cylinder Head D-RingDescriptionCylinder head D-ring is used as a spacer between the cylinder head and valve cover. For M8 models. Fits:FXST 2017-UPFLT 2017-UPFLST 2017-UPFL...$43.66 -
Out of stock
V-Twin - 11-0313 - 74 inch Overhead Valve Piston Set .060 Oversize
Motorshop
$130.61V-Twin - 11-0313 - 74 inch Overhead Valve Piston Set .060 OversizeDescriptionPiston set 3-7/16" bore .060 oversize with compression ratio of 7.5:1. Set includes Hasting 3 piece rings, 2 wrist pins...$130.61 -
Out of stock
V-Twin - 11-0311 - 74 inch Overhead Valve Piston Set .040 Oversize
Motorshop
$152.69V-Twin - 11-0311 - 74 inch Overhead Valve Piston Set .040 OversizeDescriptionPiston set 3-7/16" bore .040 over size with compression ratio of 7.5:1. Set includes Hasting 3 piece rings, 2 wrist pins...$152.69 -
Out of stock
V-Twin - 11-0305 - 1000cc Piston Set .050 Oversize
Motorshop
$153.89V-Twin - 11-0305 - 1000cc Piston Set .050 OversizeDescriptionPiston set 3-3/16" bore .050 oversize has a compression of 8.4:1. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips.**Note:...$153.89 -
Out of stock
V-Twin - 11-0304 - 1000cc Piston Set .040 Oversize
Motorshop
$144.65V-Twin - 11-0304 - 1000cc Piston Set .040 OversizeDescriptionPiston set 3-3/16" bore .040 oversize has a compression of 8.4:1. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips.**Note:...$144.65 -
Out of stock
V-Twin - 11-0300 - 1000cc Piston Set Standard Size
Motorshop
$124.45V-Twin - 11-0300 - 1000cc Piston Set Standard SizeDescriptionPiston set 3-3/16" bore standard size has a compression ratio of 8.4:1. Set includes Hasting 3 piece rings, 2 wrist pins and 4 circlips...$124.45 -
Out of stock
V-Twin - 11-0285 - Upper Valve Collar Set Titanium Coated
Motorshop
$320.53V-Twin - 11-0285 - Upper Valve Collar Set Titanium CoatedDescriptionTitanium coated upper valve collar set for Evolution and TC-88 models.Set of four. Fits:FXD 1991-2004FXST 1984-2004FLST 1986-2004XL...$320.53 -
Out of stock
V-Twin - 11-0246 - Replica 1100cc Piston Set Standard
Motorshop
$151.79V-Twin - 11-0246 - Replica 1100cc Piston Set StandardDescriptionReplica piston set is standard size. Piston set includes Hasting rings, 2 wrist pins, and 4 circlips. Pistons have a steel expansion...$151.79 -
Out of stock
V-Twin - 11-0245 - Replica 883cc Piston Set .030 Oversize
Motorshop
$142.11V-Twin - 11-0245 - Replica 883cc Piston Set .030 OversizeDescriptionReplica 3" bore piston set is .030 oversize. Piston set includes Hasting rings, 2 wrist pins and 4 circlips. Pistons have a steel...$142.11 -
Out of stock
V-Twin - 11-0243 - Replica 883cc Piston Kit .010 Oversize
Motorshop
$144.99V-Twin - 11-0243 - Replica 883cc Piston Kit .010 OversizeDescriptionReplica 3" bore piston set is .010 oversize. Piston set includes Hasting rings, 2 wrist pins, and 4 circlips. Pistons have a steel...$144.99 -
Out of stock
V-Twin - 11-0242 - Replica 883cc Piston Set .005 Oversize
Motorshop
$143.11V-Twin - 11-0242 - Replica 883cc Piston Set .005 OversizeDescriptionReplica 3" bore piston set is .005 oversize. Piston set includes Hasting rings, 2 wrist pins and 4 circlips. Pistons have a steel...$143.11 -
Out of stock
V-Twin - 11-0241 - Replica 883cc Piston Set Standard
Motorshop
$144.99V-Twin - 11-0241 - Replica 883cc Piston Set StandardDescriptionReplica 3" bore piston set is standard size. Set includes Hastings 3 piece ring, 2 wrist pins and 4 circlips.**Note: Run engine at...$144.99
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.