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Out of stock
Colony - 37-0033 6-32 x 3/8" Fillister Head Screw - 10 Pack (OEM #997)
Colony Machine
$23.87Colony - 37-0033 6-32 x 3/8" Fillister Head Screw - 10 Pack (OEM #997) Fillister head screw measures 6-32 x 3/8" and features a parkerized finish, National Coarse. Sold as a pack of 10. Fitment: All models$23.87 -
Out of stock
Colony - 37-0070 8-32 x 1" Fillister Head Screw - 10 Pack (OEM #1080)
Colony Machine
$23.87Colony - 37-0070 8-32 x 1" Fillister Head Screw - 10 Pack (OEM #1080) Fillister head screw measures 8-32 x 1" and features a parkerized finish, National Coarse. Sold as a pack of 10. Fitment: All models$23.87 -
Out of stock
Colony - 37-0073 10-32 x 7/8" Fillister Head Screw - 10 Pack (OEM #1222)
Colony Machine
$23.87Colony - 37-0073 10-32 x 7/8" Fillister Head Screw - 10 Pack (OEM #1222) Fillister head screw measures 10-32 x 7/8" features a parkerized finish, National Fine. Sold as a pack of 10 Fitment: All models$23.87 -
Out of stock
Colony - 9751-11 Allen Type Cam Cover Screw Kit fits '86-Up Sportster Models
Colony Machine
$23.51Colony - 9751-11 Allen Type Cam Cover Screw Kit fits '86-Up Sportster Models Allen type cam cover screw kit. Fitment: XL 1986-UP$23.51 -
Out of stock
Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Models
Colony Machine
$9.86Colony - 9766-4 Acorn Type Tappet Block Screw Kit fits '95-'03 Sportster Models Acorn type tappet block screw kit. Fitment: XL 1995-2003$9.86 -
Out of stock
V-Twin - Chrome Finned Ignition System Cover fits '71-'03 Sportster Model
V-Twin Manufacturing
$18.60V-Twin - Chrome Finned Ignition System Cover fits '71-'03 Sportster Model Finned ignition system cover with chrome finish. Fitment: XL 1971-2003$18.60 -
V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model
V-Twin Manufacturing
$44.84V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model Knucklehead rocker box fitting features a nickel plated finish. Fitment: EL 1936-1937$44.84 -
Out of stock
V-Twin - Cylinder Head Set with Chrome Rocker Box fits '78-'84 FL/FX Models
V-Twin Manufacturing
$1,367.79V-Twin - Cylinder Head Set with Chrome Rocker Box fits '78-'84 FL/FX Models Set is assembled with cast iron guides, valve stem seals, chrome rocker box and nitrated valves. For use on 74" or 80" models with Shovelhead barrels Fitment: FL...$1,367.79 -
Out of stock
V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models
V-Twin Manufacturing
$41.62V-Twin - Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models Headbolt washer constructed of aluminum features a cadium plated finish. Fitment: UL 1937-1947 WL 1929-1952 G 1929-1973$41.62 -
Out of stock
V-Twin - Oil Filter Pump Cover Plate fits '73-'84 FX, '68-'84 FL Models
V-Twin Manufacturing
$27.16V-Twin - Oil Filter Pump Cover Plate fits '73-'84 FX, '68-'84 FL Models Shovelhead oil filter pump cover plate includes four 1/4" x 2-1/2"-20 screws and four 1/4" x 2-1/2"-24 allen screws. Machined screws are aluminum featuring a natural finish...$27.16 -
Out of stock
V-Twin - Oil Pump Pressure Valve Stainless Steel fits '82-'91 FXR, '86-'91 FLST, '84-'91 FXST Models
V-Twin Manufacturing
$83.23V-Twin - Oil Pump Pressure Valve Stainless Steel fits '82-'91 FXR, '86-'91 FLST, '84-'91 FXST Models Machined stainless steel oil pump pressure valve for Big Twins. Fits oil pressure relief valve port on oil pumps. Used as an oil pressure indicator...$83.23 -
Out of stock
V-Twin - Transmission Motor Support fits '82-'94 FXR Model
V-Twin Manufacturing
$214.20V-Twin - Transmission Motor Support fits '82-'94 FXR Model Zinc plated transmission motor support features laser cut 1/4" steel with all holes in place. Includes the tab for front exhaust mounts. Acts to absorb torque between the drive train...$214.20 -
Out of stock
Colony - Cylinder Base Nut Kit fits '78-'84 Big Twin Models (OEM #16838-78)
Colony Machine
$22.95Colony - Cylinder Base Nut Kit fits '78-'84 Big Twin Models (OEM #16838-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$22.95 -
Out of stock
Colony - Cylinder Base XLR Type Nut fits '57-'84 Sportster Models
Colony Machine
$35.95Colony - Cylinder Base XLR Type Nut fits '57-'84 Sportster Models Features: For use on specific applications Made in the U.S.A. Fitment 1983-1985 Harley-Davidson Sportster 1000 XLX - - 1983-1984 Harley-Davidson Sportster 1000...$35.95 -
Out of stock
Colony - Motor Case Stud Kit fits '79-'95 Big Twin Models - Cadmium
Colony Machine
$57.95Colony - Motor Case Kit fits '79-'95 Big Twin Models - Cadmium Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Fitment 1999 Harley-Davidson Softail Night Train...$57.95 -
Out of stock
Colony - Motor Case Stud Kit fits '70-'78 Shovelhead Model (OEM #24806-36, 24815-40) - Cadmium
Colony Machine
$57.95Colony - Motor Case Kit fits '70-'78 Shovelhead Model (OEM #24806-36, 24815-40) - Cadmium Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Replacement Part for...$57.95 -
Out of stock
Colony - Motor Case Stud Kit fits '65-'69 Shovelhead Model (OEM #24806-36, 24809-30)
Colony Machine
$57.95Colony - Motor Case Kit fits '65-'69 Shovelhead Model (OEM #24806-36, 24809-30) Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Replacement Part for...$57.95 -
Out of stock
Colony - Motor Case Stud Kit fits '48-'64 Panhead Model (OEM #24806-36, 24809-30)
Colony Machine
$57.95Colony - Motor Case Kit fits '48-'64 Panhead Model (OEM #24806-36, 24809-30) Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Replacement Part for...$57.95 -
Out of stock
Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A)
Colony Machine
$86.95Colony - Head Bolt Set fits '86-'91 Sportster Models (OEM #16478-85A, 16480-85A) Features: 12-point replacement headbolts Made in the U.S.A. Fitment 1992 Harley-Davidson Dyna Daytona FXDB - - 1991 Harley-Davidson Dyna Sturgis...$86.95 -
Out of stock
Drag Specialties - Replacement Oil Filler Plug
Drag Specialties
$9.13Drag Specialties - Replacement Oil Filler Plug Features: Replacement oil filler plug for oil tanks$9.13 -
Out of stock
Colony - Head Bolt Kit fits '57-'72 Sportster Models (OEM #4714W)
Colony Machine
$69.95Colony - Head Bolt Kit fits '57-'72 Sportster Models (OEM #4714W) Features: Hardened to OEM specifications to prevent stretching Made in the U.S.A. Fitment 1972 Harley-Davidson Sportster 1000 XLH - - 1972 Harley-Davidson Sportster 1000 XLCH - - ...$69.95 -
Out of stockOn Sale
Burly Brand - Black Brawler Kit fits M8 Softail Models
Burly Brand
$227.66 - $316.76Burly Brand - Black Brawler Kit fits M8 Softail Models Features: Designed to grind down during impacts to prevent bike from catching and flipping Functions as a highway bar for a secure grip and comfortable footrest on long rides Durable materials...$227.66 - $316.76 -
Out of stock
Colony - Replacement Cylinder Stud Set fits '99-'17 Twin Cam Models (OEM #16834-99/A)
Colony Machine
$88.95Colony - Replacement Cylinder Stud Set fits '99-'17 Twin Cam Models (OEM #16834-99/A) Features: Heat-treated for strength and durability Equal or surpass original equipment Fitment 2016-2017 Harley-Davidson Softail Slim S...$88.95 -
Out of stock
Colony - Motor Mount Hardware Kit for '84-'99 FXST/FLST
Colony Machine
$51.95Colony - Motor Mount Hardware Kit for '84-'99 FXST/FLST Features: Made in the U.S.A. Replacement Part for OEM: 3512 4416 4716W 4726 6019 Fitment 1999 Harley-Davidson Softail Night Train FXSTB - - 1997-1999 Harley-Davidson Softail Heritage...$51.95 -
Out of stock
Colony - Brass Intake Manifold Seal fits '40-'54 Big Twin Models (OEM #27059-40)
Colony Machine
$18.95Colony - Brass Intake Manifold Seal fits '40-'54 Big Twin Models (OEM #27059-40) Features: Precision machined duplicates of original intake manifold seals, nuts and nipples Made in the U.S.A. Fitment 1949-1954 Harley-Davidson Hydra...$18.95 -
Out of stock
Colony - Intake Manifold Nipple fits '40-'54 Big Twin Models (OEM #27039-48)
Colony Machine
$21.95Colony - Intake Manifold Nipple fits '40-'54 Big Twin Models (OEM #27039-48) Features: Precision machined duplicates of original intake manifold seals, nuts and nipples Made in the U.S.A. Fitment 1949-1951, 1953-1954 Harley-Davidson Hydra...$21.95 -
Out of stock
Colony - Rocker Arm Stud Kit fits '48-'65 Panhead Model (OEM #17647-48) - Parkerized
Colony Machine
$37.95Colony - Rocker Arm Stud Kit fits '48-'65 Panhead Model (OEM #17647-48) - Parkerized Features: High-quality studs and flexloc nuts Eight studs and nuts cover one cylinder head Fitment 1965 Harley-Davidson Electra Glide...$37.95 -
Out of stock
Colony - 8734-24 Chrome Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3565W)
Colony Machine
$45.95Colony - 8734-24 Chrome Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3565W) Features: Exact duplicate of original special screws used on Panhead valve covers Made in the U.S.A. Fitment 1965 Harley-Davidson Electra Glide...$45.95 -
Out of stock
Colony - 8165-19 Cadmium Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #24791-36, 24794-36)
Colony Machine
$64.95Colony - 8165-19 Cadmium Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #24791-36, 24794-36) Features: Kit Includes top motor mount bolt, two 3/8"-24 x 31/4" bolts, two front engine mounting bolts, three 3/8" x 7/64" washers, three castle...$64.95 -
Out of stock
Colony - 2595-13 Cadmium Upper Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #16865-52, 7867)
Colony Machine
$24.95Colony - 2595-13 Cadmium Upper Motor Mount Bolt Kit fits '36-'69 Big Twin Models (OEM #16865-52, 7867) Features: Kits includes top motor mount bolt, locknut, three flat washers, two castle nuts, cotter key, one 29/64" washer, one 7/16" washer and one...$24.95 -
Out of stock
Colony - Motor Case Stud Kit fits '40-'47 Knucklehead Model (OEM #24806-36, 24809-30)
Colony Machine
$57.95Colony - Motor Case Kit fits '40-'47 Knucklehead Model (OEM #24806-36, 24809-30) Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Replacement Part for OEM: 2480636 2480930 2481540 4432 Fitment: ...$57.95 -
Out of stock
Colony - Oil Tappet Screen and O-Ring fits '00-'17 Softail Models (OEM #11301, 24983-00)
Colony Machine
$5.95Colony - Oil Tappet Screen and O-Ring fits '00-'17 Softail Models (OEM #11301, 24983-00) Features: High-quality replacement Made in the USA Fitment 2020 Harley-Davidson Softail Low Rider S...$5.95 -
Out of stock
Colony - 8140-34 Motor Case Studs fits '70-'78 Big Twin Models (OEM #24806-36, 24815-40, 4432)
Colony Machine
$64.95Colony - 8140-34 Motor Case Studs fits '70-'78 Big Twin Models (OEM #24806-36, 24815-40, 4432) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1978 Harley-Davidson Electra Glide...$64.95 -
Out of stock
Colony - Tappet Oil Screen Plug Kit fits '70-'80 Big Twin Models (OEM #657)
Colony Machine
$11.95Colony - Tappet Oil Screen Plug Kit fits '70-'80 Big Twin Models (OEM #657) Features: Plug and plug kits designed for a variety of Harley-Davidson® oil systems Complete with washers (or O-rings if required) Made in the U.S.A...$11.95 -
Out of stock
Colony - Replacement Cylinder Stud Set fits '85-'99 Evolution Big Twin Models (OEM #16837-85B)
Colony Machine
$101.95Colony - Replacement Cylinder Stud Set fits '85-'99 Evolution Big Twin Models (OEM #16837-85B) Features: Heat-treated for strength and durability Equal or surpass original equipment Fitment 2000 Harley-Davidson FXR...$101.95 -
Out of stock
Colony - Cylinder Base Stud Set fits '78-'84 Big Twin Models (OEM #16837-78)
Colony Machine
$39.95Colony - Cylinder Base Stud Set fits '78-'84 Big Twin Models (OEM #16837-78) Features: Heat-treated for strength and durability Equal or surpass original equipment Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$39.95 -
Out of stock
Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78)
Colony Machine
$24.95Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$24.95 -
Out of stock
Colony - Cylinder Base Nut Kit fits '57-'85 Sportster Models (OEM #0123, 7804)
Colony Machine
$19.95Colony - Cylinder Base Nut Kit fits '57-'85 Sportster Models (OEM #0123, 7804) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1983-1985 Harley-Davidson Sportster 1000...$19.95 -
Out of stock
Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models
Colony Machine
$35.95Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models Features: For use on specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special FLHX - - 1983-1984 Harley-Davidson Low Rider...$35.95 -
Out of stock
Colony - Cylinder Base Acorn Hardware Kit fits '78-'84 Big Twin Models
Colony Machine
$28.95Colony - Cylinder Base Acorn Hardware Kit fits '78-'84 Big Twin Models Features: Individual acorn bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...$28.95
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.