Engine
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Colony - 3532-6 Oil Tank Rubber Washer Set fits '52-'56 K, '57-'66 Sportster Models (OEM #62762-52)
Colony Machine
$41.05Colony - 3532-6 Oil Tank Rubber Washer Set fits '52-'56 K, '57-'66 Sportster Models (OEM #62762-52) Oil tank rubber washer set includes 3 outer and 3 inner rubber washers. Sold as a set of 6 Fitment: K 1952-1956 XL 1957-1966$41.05 -
Colony - 3536-16 Cadmium Plated Stock Headbolt Kit fits '40-'51 WLDR, '40-'51 WR Models
Colony Machine
$112.89Colony - 3536-16 Cadmium Plated Stock Headbolt Kit fits '40-'51 WLDR, '40-'51 WR Models Cadmium plated stock headbolt kit Fitment: WLDR 1940-1951 WR 1940-1951$112.89 -
Colony - 3677-10 7/16-14 x 2-1/2" Knurled Head Allen Bolt fits '06-'17 FXD Cast or Spoke Wheel Model
Colony Machine
$31.18Colony - 3677-10 7/16-14 x 2-1/2" Knurled Head Allen Bolt fits '06-'17 FXD Cast or Spoke Wheel Model Knurled head allen bolt is 7/16-14 x 2-1/2". Fitment: FXD 2006-2017 cast or spoke wheel$31.18 -
Colony - 37-0009 3/8"-24 Chrome Hex Nuts fits '37-'48 UL, '36-'40 EL, '41-'57 FL Models (OEM #7789)
Colony Machine
$9.02Colony - 37-0009 3/8"-24 Chrome Hex Nuts fits '37-'48 UL, '36-'40 EL, '41-'57 FL Models (OEM #7789) 3/8"-24 hex nuts with chrome finish. Fitment: UL 1937-1948 EL 1936-1940 FL 1941-1957$9.02 -
Colony - 37-8606 1/4"-20 x 1-1/4" Hex Cap Bolt (OEM #3993)
Colony Machine
$23.86Colony - 37-8606 1/4"-20 x 1-1/4" Hex Cap Bolt (OEM #3993) Hex cap bolt 1/4"-20 x 1-1/4", chrome finish, coarse thread. Fitment: All Models$23.86 -
Out of stock
Colony - 5/8"-18 Hex Crankcase Timing Plug (OEM #704, 720)
Colony Machine
$8.95Colony - 5/8"-18 Hex Crankcase Timing Plug (OEM #704, 720) Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug holes Fitment 1983-1985 Harley-Davidson Sportster 1000...$8.95 -
Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models
Colony Machine
$24.60Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models Spring fork rocker lock, 6 piece set Fitment: UL 1946-1948 FL 1946-1948$24.60 -
Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models
Colony Machine
$56.43Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models Spring Fork rocker bushing set Fitment: UL 1946-1948 FL 1946-1948$56.43 -
Colony - 7611-2 Rocker Bushing Tool fits '37-'48 UL, '36-'40 EL, '30-'52 WL Models
Colony Machine
$29.85Colony - 7611-2 Rocker Bushing Tool fits '37-'48 UL, '36-'40 EL, '30-'52 WL Models Spring Fork rocker bushing tool Fitment: UL 1937-1948 G 1930-1957 EL 1936-1940 FL 1941-1948 VL 1930-1936 WL 1930-1952$29.85 -
Colony - 7613-2 Cadmium Acorn Nut and Retainer Kit fits '37-'48 UL, '36-'57 G, '36-'52 WL Models (OEM #45647-30)
Colony Machine
$30.85Colony - 7613-2 Cadmium Acorn Nut and Retainer Kit fits '37-'48 UL, '36-'57 G, '36-'52 WL Models (OEM #45647-30) Spring fork chrome acorn nut and cadmium retainer set Fitment: UL 1937-1948 G 1936-1957 WL 1936-1952 EL 1936-1940 FL 1941-1948$30.85 -
Colony - 7614-4 Cadmium Intake Manifold Nuts fits '53-'56 K, '41-'54 FL, '40-'52 EL Models (OEM #27052-40)
Colony Machine
$54.58Colony - 7614-4 Cadmium Intake Manifold Nuts fits '53-'56 K, '41-'54 FL, '40-'52 EL Models (OEM #27052-40) Cadmium intake manifold nuts. Sold as a set of 2. Note: Seals not included, must order separately Fitment: K 1953-1956 FL...$54.58 -
Colony - 7705-4 Rocker Box Drain Tube Fitting Kit fits '36-'40 EL, '41-'47 FL Models (OEM #17320-38)
Colony Machine
$27.80Colony - 7705-4 Rocker Box Drain Tube Fitting Kit fits '36-'40 EL, '41-'47 FL Models (OEM #17320-38) Rocker box drain tube fitting kit. Fitment: EL 1936-1940 FL 1941-1947$27.80 -
Colony - 7709-32 Cadmium Head Nut Set fits '42-'50 W Model
Colony Machine
$50.80Colony - 7709-32 Cadmium Head Nut Set fits '42-'50 W Model Head nut set with washers are cadmium finish for side valve models 3/8"-16 thread. Fitment: W 1942-1950$50.80 -
Colony - 7710-18 Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models (OEM #16822-39)
Colony Machine
$42.64Colony - 7710-18 Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models (OEM #16822-39) Cadmium aluminum headbolt washer Fitment: UL 1937-1947 WL 1929-1952 G 1929-1973$42.64 -
Colony - 7711-18 Cadmium Cylinder Headbolt fits '31-'36 V, '37-'48 U Models
Colony Machine
$104.92Colony - 7711-18 Cadmium Cylinder Headbolt fits '31-'36 V, '37-'48 U Models Cadmium cylinder headbolt for use on 74" and 80" Side Valve motors with aluminum heads Fitment: V 1931-1936 U 1937-1948$104.92 -
Colony - 7711-18-45 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models
Colony Machine
$95.71Colony - 7711-18-45 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models Cadmium headbolt, stock with aluminum heads for 45" side valve models Order washers separately Fitment: WL 1929-1952 G 1929-1973$95.71 -
Colony - 7712-36 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models
Colony Machine
$103.43Colony - 7712-36 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models Cadmium headbolt for side valve models. Fitment: WL 1929-1952 G 1929-1973$103.43 -
Colony - 7713-20 Cadmium Stock 61" Cylinder Head Bolt fits '36-'39 EL Model
Colony Machine
$75.40Colony - 7713-20 Cadmium Stock 61" Cylinder Head Bolt fits '36-'39 EL Model Cadmium 61" cylinder head bolt Fitment: EL 1936-1939$75.40 -
Colony - 7714-20 Cadmium Stock Cylinder Head Bolt fits '40-'47 FL Model
Colony Machine
$75.28Colony - 7714-20 Cadmium Stock Cylinder Head Bolt fits '40-'47 FL Model Cadmium stock cylinder head bolt Fitment: FL 1940-1947$75.28 -
Colony - 7813-8 Chrome Cylinder Base Nut fits '79-'83 FLT, '78-'84 FL/FX Models
$38.11Colony - 7813-8 Chrome Cylinder Base Nut fits '79-'83 FLT, '78-'84 FL/FX Models Chrome cylinder base nut Fitment: FLT 1979-1983 FXR 1982-1983 FL 1978-1984 FX 1978-1984$38.11 -
Colony - 8106-16 Stock Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '29-'73 G Models
Colony Machine
$24.53Colony - 8106-16 Stock Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '29-'73 G Models Chrome stock cylinder base set includes 8 nuts with washers. Sold as an 8 piece set. Fitment: WL 1929-1952 XL 1957-1985 G 1929-1973$24.53 -
Out of stock
Colony - 8110-12 Chrome Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691)
Colony Machine
$6.95Colony - 8110-12 Chrome Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is a complete kit that includes studs, nuts and hex...$6.95 -
Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691)
Colony Machine
$5.95Colony - 8111-12 Cadmium Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #7035, 27691) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is a complete kit that includes studs, nuts and hex...$5.95 -
Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
$68.85Colony - 8137-34 Chrome Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969$68.85 -
Out of stock
Colony - 8139-34 Motor Case Acorn Hardware Kit fits '70-'78 Big Twin Models
Colony Machine
$70.95Colony - 8139-34 Motor Case Acorn Hardware Kit fits '70-'78 Big Twin Models Features: Individual acorn bolt and nut sets for specific applications Includes washers Made in the USA Fitment 1978 Harley-Davidson Electra Glide...$70.95 -
Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models
Colony Machine
$66.95Colony - 8140-34 Chrome Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978 FL 1970-1978$66.95 -
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 -
Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models
Colony Machine
$59.60Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978 FL 1970-1978$59.60 -
Out of stock
Colony - 8142-34 Motor Case Acorn Hardware Kit fits '84-'99 Big Twin Models (Except Twin Cam)
Colony Machine
$70.95Colony - 8142-34 Motor Case Acorn Hardware Kit fits '84-'99 Big Twin Models (Except Twin Cam) Features: Individual acorn bolt and nut sets for specific applications Includes washers Made in the USA Fitment 1978 Harley-Davidson Electra...$70.95 -
Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models
Colony Machine
$59.60Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FLT 1979-1995 FX 1979-1984 FXR 1982-1994 FXST...$59.60 -
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 -
Colony - 8224-8 Rocker Shaft End Plug fits '71-'84 Shovelhead & '71-'85 Sportster Models (OEM #17448-71A, 7875)
Colony Machine
$47.95Colony - 8224-8 Rocker Shaft End Plug fits '71-'84 Shovelhead & '71-'85 Sportster Models (OEM #17448-71A, 7875) Features: Complete sets stock-style replacement rocker shaft end plugs, nuts, and washers Made in the U.S.A...$47.95 -
Out of stock
Colony - 8441-1 5/8"-18 Crankcase/Oil Tank Cap Timing Plug fits '86-'95 Sportster Models
Colony Machine
$7.95Colony - 8441-1 5/8"-18 Crankcase/Oil Tank Cap Timing Plug fits '86-'95 Sportster Models Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug holes Fitment 2000 Harley-Davidson FXR...$7.95 -
Out of stock
Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-26)
Colony Machine
$9.95Colony - 8610-1 5/8"-18 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-26) Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug...$9.95 -
Out of stock
Colony - 8703-2 Relief Valve Plug Kit fits '81-'84 Big Twin Models (OEM #26263-80)
Colony Machine
$10.95Colony - 8703-2 Relief Valve Plug Kit fits '81-'84 Big Twin Models (OEM #26263-80) 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...$10.95 -
Out of stock
Colony - 8707-6 Oil Pump Plug Kit fits '81-'84 Big Twin Models
Colony Machine
$25.95Colony - 8707-6 Oil Pump Plug Kit fits '81-'84 Big Twin Models 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...$25.95 -
Colony - 8711-8 12-Point Lift Block Screws fits '48-'E77 Big Twin Models (OEM #3750)
Colony Machine
$18.95Colony - 8711-8 12-Point Lift Block Screws fits '48-'E77 Big Twin Models (OEM #3750) Features: Made in the USA Sold in sets of 8 Fitment 1974-1976 Harley-Davidson 1200 Super Glide FXE - Notes: 1976Fits Early 1976...$18.95 -
Colony - 8732-24 Chrome Aluminum Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3578W)
Colony Machine
$45.95Colony - 8732-24 Chrome Aluminum Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3578W) Features: Exact duplicate of original special screws used on Panhead valve covers Made in the U.S.A. Fitment 1965 Harley-Davidson Electra...$45.95 -
Out of stock
Colony - 8733-24 Cadmium Aluminum Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3578W)
Colony Machine
$41.95Colony - 8733-24 Cadmium Aluminum Valve Cover Screw Kit fits '48-'65 Panhead Model (OEM #3578W) Features: Exact duplicate of original special screws used on Panhead valve covers Made in the U.S.A. Fitment 1965 Harley-Davidson Electra...$41.95 -
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
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.