Engine
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V-Twin - 12-0151 - Tappet Oil Screen Kit
Motorshop
$28.04V-Twin - 12-0151 - Tappet Oil Screen KitDescriptionTappet oil screen kit includes chrome cap, screen o-ring and spring for Shovelhead Fits:FL 1970-1980FX 1970-1983Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages494...$28.04 -
V-Twin - 12-0126 - Cam Installation Support Kit Chain Type
S&S Cycle
$209.91V-Twin - 12-0126 - Cam Installation Support Kit Chain TypeDescriptionChain type kit includes cam cover gasket, two inner cam bearings, two outer cam bearings and a retaining ring. Fits:FLT 2000-2006FXD 2000-2005FLST 2000-2006FXST 2000-2006Additional...$209.91 -
V-Twin - 12-0125 - Cam Installation Support Kit Gear Type
S&S Cycle
$99.91V-Twin - 12-0125 - Cam Installation Support Kit Gear TypeDescriptionGear type kit includes cam cover gasket, two inner cam bearings, two outer cam bearings and a retaining ring. Fits:FLT 2000-2006FXD 2000-2005FLST 2000-2006FXST 2000-2006Additional...$99.91 -
V-Twin - 12-0118 - Oil Pump Governor Cover Kit Parkerized
V-Twin
$124.12V-Twin - 12-0118 - Oil Pump Governor Cover Kit ParkerizedDescriptionOil pump governor cover kit includes a cast parkerized cover with the chain oiler provision and an internal rotator governor.Usually found on Army and Navy military Knuckleheads. Fits:FL...$124.12 -
V-Twin - 12-0109 - Parkerized Oil Pump Cover
Motorshop
$81.92V-Twin - 12-0109 - Parkerized Oil Pump CoverDescriptionCast oil pump cover for Knucklehead and early Panhead models features a parkerized finish.Oil pump cover features provision for chain oiler on 1941-1947 Knucklehead oil pump governor rotors. Usually...$81.92 -
V-Twin - 12-0108 - Oil Pressure Gauge Bypass Shim
Motorshop
$15.86V-Twin - 12-0108 - Oil Pressure Gauge Bypass ShimDescriptionShim is machined and assures proper spring pre load raising and stabilizing volume and pressure. Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information UOM5 - PK ...$15.86 -
V-Twin - 12-0107 - Pinion Shaft Parts Kit
Motorshop
$24.29V-Twin - 12-0107 - Pinion Shaft Parts KitDescriptionPinion shaft parts kit includes pinion shaft seal ring and ring springs. Fits:UL 1940-1948Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages799 Replacement...$24.29 -
V-Twin - 12-0103 - Pinion Shaft Parts Kit
Motorshop
$28.04V-Twin - 12-0103 - Pinion Shaft Parts KitDescriptionKit includes pinion shaft seal ring and pinion shaft ring spring. Fits:G 1937-1973WL 1937-1973Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog Pages799 Replacement...$28.04 -
V-Twin - 12-0102 - Pinion Shaft 4 Piece Parts Kit
Motorshop
$32.27V-Twin - 12-0102 - Pinion Shaft 4 Piece Parts KitDescriptionKit includes pinion shaft gear steel spacer, ring spacer, cam chest breather screen, and separator plate.This is a 4 piece kit. Fits:FL 1955-1969Additional Information UOM1 - KIT ...$32.27 -
V-Twin - 12-0101 - Pinion Shaft 5 Piece Parts Kit
Motorshop
$27.87V-Twin - 12-0101 - Pinion Shaft 5 Piece Parts KitDescriptionKit includes pinion shaft seal ring, gear spacer, ring spring, cam chest breather screen, and separator plate.This is a 5 piece kit. Fits:FL 1941-1953EL 1936-1940Additional Information UOM1 -...$27.87 -
V-Twin - 12-0001 - Big Twin Compensator Shim
V-Twin Manufacturing
$7.94V-Twin - 12-0001 - Big Twin Compensator ShimDescriptionBig Twin compensator shim is 0.031" thick. Fits:FLST 2007-2016FLT 2011-2013FLHXXX 2009-2013FXST 2007-2016FXD 2006-2013Additional Information OEM No.10300021 UOM1 - EA ManufacturerV-Twin OriginUSA...$7.94 -
V-Twin - 11-9899 - Forged .030 10:1 Compression Piston Kit
Wiseco
$382.26V-Twin - 11-9899 - Forged .030 10:1 Compression Piston KitDescriptionWiseco 80" Evolution domed piston kit is .030 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack. Bore is 3-1/2**Note: Run engine at moderate speeds for...$382.26 -
V-Twin - 11-9898 - Forged .020 10:1 Compression Piston Kit
Wiseco
$382.26V-Twin - 11-9898 - Forged .020 10:1 Compression Piston KitDescriptionWiseco 80" Evolution domed piston kit is .020 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack. Bore is 3 1/2**Note: Run engine at moderate speeds for...$382.26 -
V-Twin - 11-9897 - Forged .010 10:1 Compression Piston Kit
Wiseco
$382.26V-Twin - 11-9897 - Forged .010 10:1 Compression Piston KitDescriptionWiseco 80" Evolution domed piston kit is .010 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack. Bore is 3-1/2**Note: Run engine at moderate speeds for...$382.26 -
V-Twin - 11-6096 - Black Diamond Stem Exhaust Valve
Kibblewhite
$43.17V-Twin - 11-6096 - Black Diamond Stem Exhaust ValveDescriptionPrecision Machining exhaust valve has a black diamond stem. Fits:EL 1936-1940FL 1941-1947Additional Information OEM No.18081-36 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1...$43.17 -
V-Twin - 11-6095 - Black Diamond Stem Intake Valve
Kibblewhite
$43.17V-Twin - 11-6095 - Black Diamond Stem Intake ValveDescriptionPrecision machined intake valve has a black diamond stem. Fits:EL 1936-1940FL 1941-1947Additional Information OEM No.18071-36 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1...$43.17 -
V-Twin - 11-6094 - 1200cc Black Diamond Stem Exhaust Valve
Kibblewhite
$39.22V-Twin - 11-6094 - 1200cc Black Diamond Stem Exhaust ValveDescriptionBlack diamond exhaust valve Fits:XL 1988-2003Additional Information OEM No.18024-87 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.475"Stem Diameter: ...$39.22 -
V-Twin - 11-6093 - 1200cc Black Diamond Stem Intake Valve
Kibblewhite
$45.40V-Twin - 11-6093 - 1200cc Black Diamond Stem Intake ValveDescriptionBlack diamond intake valve Fits:XL 1988-2003Additional Information OEM No.18023-87 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.710"Stem Diameter: ...$45.40 -
V-Twin - 11-6092 - 883cc Black Diamond Stem Exhaust Valve
Kibblewhite
$46.50V-Twin - 11-6092 - 883cc Black Diamond Stem Exhaust ValveDescriptionBlack diamond exhaust valve Fits:XL 1986-2003Additional Information OEM No.18030-86 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.350"Stem Diameter: ...$46.50 -
V-Twin - 11-6091 - 883cc Black Diamond Stem Intake Valve
Kibblewhite
$47.45V-Twin - 11-6091 - 883cc Black Diamond Stem Intake ValveDescriptionBlack diamond intake valve Fits:XL 1986-2003Additional Information OEM No.18031-86 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.585"Stem Diameter: ...$47.45 -
V-Twin - 11-6090 - Black Diamond Stem Intake Valve
Kibblewhite
$43.17V-Twin - 11-6090 - Black Diamond Stem Intake ValveDescriptionPrecision machined black diamond intake valve. Fits:FL 1981-1984FX 1981-1984Additional Information OEM No.18075-81 UOM1 - EA MeasurementsAdditional InformationHead Diameter: 1.950"Stem...$43.17 -
V-Twin - 11-6089 - Black Diamond Stem Exhaust Valve
Kibblewhite
$45.27V-Twin - 11-6089 - Black Diamond Stem Exhaust ValveDescriptionPrecision machined black diamond exhaust valve. Fits:FLT 1979-1983FXR 1982-1983FL 1981-1984FX 1981-1984Additional Information OEM No.18086-81 UOM1 - EA MeasurementsAdditional...$45.27 -
V-Twin - 11-2787 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .040 Ov
Motorshop
$78.37V-Twin - 11-2787 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .040 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .040 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$78.37 -
V-Twin - 11-2786 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 Ov
Motorshop
$96.83V-Twin - 11-2786 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .030 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$96.83 -
V-Twin - 11-2785 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .020 Ov
Motorshop
$96.83V-Twin - 11-2785 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .020 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .020 oversize. Piston set includes Riken piston rings, 2 wrist pins and 4 circlips. Pistons have a...$96.83 -
V-Twin - 11-2784 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .010 Ov
Motorshop
$96.83V-Twin - 11-2784 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .010 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .010 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$96.83 -
V-Twin - 11-2782 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .040 Ov
Motorshop
$120.50V-Twin - 11-2782 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .040 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .040 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$120.50 -
V-Twin - 11-2781 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 Ov
Motorshop
$138.15V-Twin - 11-2781 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .030 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$138.15 -
V-Twin - 11-2780 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .020 Ov
Motorshop
$138.15V-Twin - 11-2780 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .020 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .020 oversize. Piston set includes Rowe piston rings, 2 wrist pins and 4 circlips. Pistons have a...$138.15 -
V-Twin - 11-2779 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .010 Ov
Motorshop
$138.15V-Twin - 11-2779 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .010 OvDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is .010 oversize. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$138.15 -
V-Twin - 11-2778 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set Standar
Motorshop
$116.09V-Twin - 11-2778 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set StandarDescriptionReplica 3-1/2" bore piston set has a 8:1 compression ratio and is standard size. Piston set includes piston rings, 2 wrist pins and 4 circlips. Pistons have a steel...$116.09 -
V-Twin - 11-2771 - 74 inch Overhead Valve 3-7/16 inch Piston Set Standard Size
Motorshop
$111.68V-Twin - 11-2771 - 74 inch Overhead Valve 3-7/16 inch Piston Set Standard SizeDescription3-7/16" bore piston set has a 7.5:1 compression ratio and is standard size. Piston set includes piston rings set, 2 wrist pins and 4 circlips. Pistons have a steel...$111.68 -
V-Twin - 11-2770 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .070 O
Motorshop
$86.06V-Twin - 11-2770 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .070 ODescriptionReplica style 3-7/16" bore piston set has 8.5:1 compression ratio and is .070 oversize. Piston set includes piston ring set, 2 wrist pins and 4 circlips. Pistons...$86.06 -
V-Twin - 11-2766 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .030 O
Motorshop
$86.06V-Twin - 11-2766 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .030 ODescriptionReplica style 3-7/16" bore piston set has a 8.5:1 compression ratio and is .030 oversize. Piston set includes piston ring set, 2 wrist pins and 4 circlips. Pistons...$86.06 -
V-Twin - 11-2765 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .020 O
Motorshop
$79.91V-Twin - 11-2765 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .020 ODescriptionReplica style 3-7/16" bore piston set has a 8.5:1 compression ratio and is .020 oversize. Piston set includes piston ring set, 2 wrist pins and 4 circlips. Pistons...$79.91 -
V-Twin - 11-2763 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .070 O
Motorshop
$126.38V-Twin - 11-2763 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .070 ODescriptionReplica style 3-7/16" bore piston set has a 8.5:1 compression ratio and is .070 oversize. Piston set includes piston ring set, 2 wrist pins and 4 circlips. Pistons...$126.38 -
V-Twin - 11-2762 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .060 O
Motorshop
$126.38V-Twin - 11-2762 - Replica 74 inch Overhead Valve 3-7/16 inch Piston Set .060 ODescriptionReplica style 3-7/16" bore piston set has a 8.5:1 compression ratio and is .060 oversize. Piston set includes piston ring set, 2 wrist pins and 4 circlips. Pistons...$126.38 -
V-Twin - 11-2749 - 61 inch Overhead Valve 3-5/16 inch Piston Set Standard Size
Motorshop
$151.34V-Twin - 11-2749 - 61 inch Overhead Valve 3-5/16 inch Piston Set Standard SizeDescriptionPiston set with 3-5/16" bore has a 7.0:1 compression ratio and is standard size. Set includes a piston ring set, 2 wrist pins and 4 circlips. Pistons have a steel...$151.34 -
V-Twin - 11-2746 - Replica 1000cc 3-3/16 inch Piston Set .050 Oversize
Motorshop
$95.29V-Twin - 11-2746 - Replica 1000cc 3-3/16 inch Piston Set .050 OversizeDescriptionReplica 3-3/16" bore piston set has a 8.4:1 compression ratio and is .050 oversize. Set includes a piston ring set, 2 wrist pins and 4 circlips. Pistons have a steel...$95.29 -
V-Twin - 11-2745 - Replica 1000cc 3-3/16 inch Piston Set .040 Oversize
Motorshop
$95.29V-Twin - 11-2745 - Replica 1000cc 3-3/16 inch Piston Set .040 OversizeDescriptionReplica 3-3/16" bore piston set has a 8.4:1 compression ratio and is .040 oversize. Set includes a piston ring set, 2 wrist pins and 4 circlips. Pistons have a steel...$95.29
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.