Engine
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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
MSRP: $31.18$29.15Colony - 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 wheelMSRP: $31.18$29.15 -
Colony - 37-0009 3/8"-24 Chrome Hex Nuts fits '37-'48 UL, '36-'40 EL, '41-'57 FL Models (OEM #7789)
Colony Machine
MSRP: $9.02$8.11Colony - 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 1941-1957MSRP: $9.02$8.11 -
Colony - 9746-7 Parkerized Rear Chain Guard Mount Kit fits '36-'52 WL Model
Colony Machine
MSRP: $21.52$18.29Colony - 9746-7 Parkerized Rear Chain Guard Mount Kit fits '36-'52 WL Model Parkerized rear chain guard mount kit for side valve models Note: Assembly order, from outside in: Inner Primary ->...MSRP: $21.52$18.29 -
Colony - 9748-16 Allen Type Headbolt Kit fits '73-'85 Sportster Models
Colony Machine
MSRP: $58.35$56.71Colony - 9748-16 Allen Type Headbolt Kit fits '73-'85 Sportster Models Allen type headbolt kit. Fitment: XL 1973-1985MSRP: $58.35$56.71 -
Colony - 9759-4 Allen Type Tappet Block Screw Kit fits '91-'94 Sportster Models
Colony Machine
MSRP: $13.86$12.47Colony - 9759-4 Allen Type Tappet Block Screw Kit fits '91-'94 Sportster Models Tappet block allen type screw kit. Fitment: XL 1991-1994MSRP: $13.86$12.47 -
Colony - 9761-4 Kick Starter Trip Bolt and Nut Kit fits '41-'52 WL, '41-'63 G Models (OEM #33456-26)
Colony Machine
MSRP: $30.85$28.84Colony - 9761-4 Kick Starter Trip Bolt and Nut Kit fits '41-'52 WL, '41-'63 G Models (OEM #33456-26) Trip bolt and nut kit for kick starter on side valve models Fitment: WL 1941-1952 G...MSRP: $30.85$28.84 -
V-Twin - Black Rocker Box Cover Set fits '04-'06 Sportster Model
V-Twin Mfg
$458.26V-Twin - Black Rocker Box Cover Set fits '04-'06 Sportster Model Rocker box cover set with black finish. Four piece set for two cylinders Fitment: XL 2004-2006$458.26 -
Colony - 9781-5 Parkerized Top Motor Mount Kit fits '37-'52 WL, '32-'73 G Models
Colony Machine
MSRP: $23.67$22.13Colony - 9781-5 Parkerized Top Motor Mount Kit fits '37-'52 WL, '32-'73 G Models Parkerized top motor mount kit Fitment: WL 1937-1952 G 1932-1973MSRP: $23.67$22.13 -
Colony - 9787-12 Zinc Oil Pump Mount Kit fits '79-'91 FLT, '82-'91 FXR, '86-'91 FLST Models
Colony Machine
MSRP: $16.98$15.28Colony - 9787-12 Zinc Oil Pump Mount Kit fits '79-'91 FLT, '82-'91 FXR, '86-'91 FLST Models Oil pump mount kit with a zinc finish. Fitment: FLT 1979-1991 FXR 1982-1991 FXD 1991-1991 FL...MSRP: $16.98$15.28 -
Colony - 9794-12 Chrome Cam Cover Screw Kit fits '41-'69 FL, '36-'40 EL Models
Colony Machine
MSRP: $35.07$32.79Colony - 9794-12 Chrome Cam Cover Screw Kit fits '41-'69 FL, '36-'40 EL Models Chrome cam cover screw kit with a 1/4-20 thread. Fitment: FL 1941-1969 EL 1936-1940MSRP: $35.07$32.79 -
Colony - 9795-12 Cadmium Cam Cover Screw Kit '41-'69 FL, '36-'40 EL Models
Colony Machine
MSRP: $31.20$29.17Colony - 9795-12 Cadmium Cam Cover Screw Kit '41-'69 FL, '36-'40 EL Models Cam cover screw kit has a cadmium finish with a 1/4-20 thread. Fitment: FL 1941-1969 EL 1936-1940MSRP: $31.20$29.17 -
Colony - 9797-20 Front Motor Mount Kit Allen Type fits '57-'84 Sportster Models
Colony Machine
MSRP: $74.32$66.88Colony - 9797-20 Front Motor Mount Kit Allen Type fits '57-'84 Sportster Models Allen type front motor mount kit. Fitment: XL 1957-1984MSRP: $74.32$66.88 -
Colony - 9806-8 Acorn Type Oil Pump Mount Kit fits '77-'90 Sportster Models
Colony Machine
$14.27Colony - 9806-8 Acorn Type Oil Pump Mount Kit fits '77-'90 Sportster Models Acorn type oil pump mount kit Fitment: XL 1977-1990$14.27 -
Colony - 9808-6 Oil Line Nipple Cap fits '38-'48 UL, '41-'64 FL, '36-'40 EL Models (OEM #3583-15)
Colony Machine
MSRP: $23.53$21.99Colony - 9808-6 Oil Line Nipple Cap fits '38-'48 UL, '41-'64 FL, '36-'40 EL Models (OEM #3583-15) Cadmium plated oil line nipple cap set is used to cap oil fitting during storage Fitment: J...MSRP: $23.53$21.99 -
Colony - 9814-16 Chrome Tappet Block Screw Kit fits Special Application for Using Pre 1976 Tappet Blocks
Colony Machine
MSRP: $25.02$23.39Colony - 9814-16 Chrome Tappet Block Screw Kit fits Special Application for Using Pre 1976 Tappet Blocks Chrome tappet block screw kit with a 1/2-20 slotted thread Fitment: Special application...MSRP: $25.02$23.39 -
Colony - 9819-12 Allen Type Timing Cover Screw Kit fits '93-'94 FXR, '93-'99 FXD/FXST/FLST/FLT Models
Colony Machine
MSRP: $22.60$19.21Colony - 9819-12 Allen Type Timing Cover Screw Kit fits '93-'94 FXR, '93-'99 FXD/FXST/FLST/FLT Models Chrome timing cover allen type screw kit Fitment: FXD 1993-1999 FXST 1993-1999 FXR...MSRP: $22.60$19.21 -
Colony - 9821-4 Chrome Oil Filter Adapter Mount Kit fits '92-'99 FXST/FLST Models
Colony Machine
MSRP: $7.86$7.07Colony - 9821-4 Chrome Oil Filter Adapter Mount Kit fits '92-'99 FXST/FLST Models Chrome oil filter adapter mount kit Fitment: FXST 1992-1999 FLST 1992-1999MSRP: $7.86$7.07 -
Colony - 9827-12 Allen Type Timing Cover Screw Kit fits '41-'69 FL, '36-'40 EL Models
Colony Machine
MSRP: $32.91$30.77Colony - 9827-12 Allen Type Timing Cover Screw Kit fits '41-'69 FL, '36-'40 EL Models Allen type timing cover screw kit with a 1/4-20 thread. Fitment: FL 1941-1969 EL 1936-1940MSRP: $32.91$30.77 -
Colony - 9828-16 Chrome Tappet Block Screw Kit fits Special Application for Using Pre 1976 Tappet Blocks
Colony Machine
MSRP: $22.45$20.99Colony - 9828-16 Chrome Tappet Block Screw Kit fits Special Application for Using Pre 1976 Tappet Blocks Chrome tappet block screw kit with a 1/4-20 thread. Fitment: Special application for...MSRP: $22.45$20.99 -
Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models
Colony Machine
MSRP: $34.98$32.70Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models Rocker box screw kit with a cadmium finish Fitment: XL 1977-1985MSRP: $34.98$32.70 -
Colony - 9840-8 Chrome Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
MSRP: $23.67$22.13Colony - 9840-8 Chrome Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models Chrome Knucklehead rocker arm shaft end nut kit. The thread measures 7/16 x 20 Fitment: EL 1936-1940 FL...MSRP: $23.67$22.13 -
Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
MSRP: $23.67$22.13Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models Knucklehead rocker arm shaft end nut kit with a parkerized finish Fitment: EL 1936-1940 FL...MSRP: $23.67$22.13 -
Colony - 9847-9 Chrome Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models
Colony Machine
MSRP: $56.13$54.56Colony - 9847-9 Chrome Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models Chrome oil line fitting kit with washer. Fitment: EL 1936-1940 FL 1941-1941MSRP: $56.13$54.56 -
Colony - 9848-9 Cadmium Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models
Colony Machine
MSRP: $43.32$42.10Colony - 9848-9 Cadmium Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models Oil line fitting kit with cadmium finish. This 9 piece kit includes 2 banjo bolts, 4 washers, 2 reducer sleeves, and 1...MSRP: $43.32$42.10 -
Colony - 9854-28 Chrome Upper and Lower Engine Bolts fits '84-'99 FXST, '86-'99 FLST Models
Colony Machine
MSRP: $57.58$55.97Colony - 9854-28 Chrome Upper and Lower Engine Bolts fits '84-'99 FXST, '86-'99 FLST Models Upper and lower engine mount bolts with a chrome finish Fitment: FXST 1984-1999 FLST 1986-1999MSRP: $57.58$55.97 -
Paughco - Chrome Ribbed Panhead Cover Set fits '48-'65 FL Model
Paughco
MSRP: $278.31$267.73Paughco - Chrome Ribbed Panhead Cover Set fits '48-'65 FL Model Chrome ribbed Panhead cover set. Order d-rings separately. Fitment: FL 1948-1965MSRP: $278.31$267.73 -
V-Twin - Black and White Knucklehead Engine Patches
V-Twin Mfg
$14.41V-Twin - Black and White Knucklehead Engine Patches Patches with black and white Knucklehead Engine lineart design can be easily ironed or sewn on. Set of two. Note: When using an electric iron to...$14.41 -
V-Twin - Panhead Motor Patch Set
V-Twin Mfg
$22.96V-Twin - Panhead Motor Patch Set Patches of a 1948-1965 Panhead engine measures 4" x 4". Patches can easily be ironed or sewn on. Sold as a pair. Note: When using an electric iron to apply the...$22.96 -
V-Twin - Nose Cone Shovelhead Patches
V-Twin Mfg
$19.44V-Twin - Nose Cone Shovelhead Patches Patches with a nose cone Shovelhead deisgn can easily be ironed or sewn on. Sold as a set of 2. Note: When using an electric iron to apply the patches to...$19.44 -
V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36) Natural brass cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Machined of...$54.47 -
V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36)
V-Twin Mfg
$47.78V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36) Knucklehead rocker box fitting features a brass finish. Machined of brass should be cadmium plated by customer for...$47.78 -
V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36) Knucklehead rocker box retaining rings features a parkerized finish. Fitment: EL 1936-1940$54.47 -
V-Twin - Chrome Knucklehead Rocker Tin Set fits '36-'47 EL, '41-'47 FL Model
V-Twin Mfg
$94.88V-Twin - Chrome Knucklehead Rocker Tin Set fits '36-'47 EL, '41-'47 FL Model New 2022 Production. Knucklehead rocker tin set is manufactured with the correct thickness and form for fit and features a...$94.88 -
V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model
V-Twin Mfg
$55.24V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model Nickel plated cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Note: Set...$55.24 -
Colony - 9855-28 Zinc Upper and Lower Engine Mount Bolts fits '84-'99 FXST, '86-'99 FLST Models
Colony Machine
MSRP: $55.43$53.88Colony - 9855-28 Zinc Upper and Lower Engine Mount Bolts fits '84-'99 FXST, '86-'99 FLST Models Upper and lower engine mount bolts with a zinc finish. Fitment: FXST 1984-1999 FLST 1986-1999MSRP: $55.43$53.88 -
Colony - 9864-6 5/16" X 32 Grease Fitting Thread fits '37-'48 UL, '36-'40 EL, '41-'66 FL front or rear Models (OEM #344)
Colony Machine
$22.62Colony - 9864-6 5/16" X 32 Grease Fitting Thread fits '37-'48 UL, '36-'40 EL, '41-'66 FL front or rear Models (OEM #344) Grease fitting 5/16" X 32 thread, 6 pack, cadmium Fitment: UL 1937-1948...$22.62 -
Colony - 9874-2 Chrome Oil Screen Plug fits '66-'69 FL Model (OEM #655)
Colony Machine
MSRP: $21.52$18.29Colony - 9874-2 Chrome Oil Screen Plug fits '66-'69 FL Model (OEM #655) Chrome oil screen plug Fitment: FL 1966-1969MSRP: $21.52$18.29 -
Colony - 9875-2 Cadmium Oil Screen Plug fits '66-'69 FL Model (OEM #655)
Colony Machine
MSRP: $21.52$18.29Colony - 9875-2 Cadmium Oil Screen Plug fits '66-'69 FL Model (OEM #655) Cadmium oil screen plug Fitment: FL 1966-1969MSRP: $21.52$18.29 -
Colony - 9878-13 Cadmium Engine Cast Kit fits '57-'76 Sportster Models
Colony Machine
MSRP: $36.89$32.86Colony - 9878-13 Cadmium Engine Cast Kit fits '57-'76 Sportster Models Cadmium engine case kit Fitment: XL 1957-1976MSRP: $36.89$32.86 -
Colony - 9879-31 Cadmium Engine Case Kit fits '77-'90 Sportster Models
Colony Machine
MSRP: $23.67$22.13Colony - 9879-31 Cadmium Engine Case Kit fits '77-'90 Sportster Models Cadmium engine case kit Fitment: XL 1977-1990MSRP: $23.67$22.13
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.