Engine
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Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
$23.67Colony - 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 1941-1947 Tech Note: Shovelhead rocker arm shims may be used...$23.67 -
Colony - 9847-9 Chrome Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models
Colony Machine
$56.13Colony - 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 1941-1941$56.13 -
Colony - 9848-9 Cadmium Oil Line Fitting Kit fits '36-'40 EL, '41-'41 FL Models
Colony Machine
$43.32Colony - 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 nipple. Fitment: EL 1936-1940 FL 1941-1941$43.32 -
Colony - 9854-28 Chrome Upper and Lower Engine Bolts fits '84-'99 FXST, '86-'99 FLST Models
Colony Machine
$57.58Colony - 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 1986-1999$57.58 -
Paughco - Chrome Ribbed Panhead Cover Set fits '48-'65 FL Model
Paughco
$278.31Paughco - Chrome Ribbed Panhead Cover Set fits '48-'65 FL Model Chrome ribbed Panhead cover set. Order d-rings separately. Fitment: FL 1948-1965$278.31 -
Paughco - Chrome Panhead Cover Set fits '48-'65 FL Model (OEM #17500-48)
Paughco
$264.95Paughco - Chrome Panhead Cover Set fits '48-'65 FL Model (OEM #17500-48) Panhead cover set features a chrome steel construction. Order d-rings separately. Fitment: FL 1948-1965$264.95 -
V-Twin - Black and White Knucklehead Engine Patches
V-Twin Manufacturing
$16.02V-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 apply the patches to clothing, NEVER use steam...$16.02 -
V-Twin - Panhead Motor Patch Set
V-Twin Manufacturing
$24.56V-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 patches to clothing, NEVER use steam. Patch can be...$24.56 -
V-Twin - Nose Cone Shovelhead Patches
V-Twin Manufacturing
$21.60V-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 clothing, NEVER use steam. Patch may be sewn on...$21.60 -
V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36)
V-Twin Manufacturing
$56.05V-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 brass, should be cadmium plated for accurate...$56.05 -
V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36)
V-Twin Manufacturing
$49.17V-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 exact/correct restoration. Fitment: EL 1936-1937$49.17 -
V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36)
V-Twin Manufacturing
$56.05V-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$56.05 -
V-Twin - Chrome Knucklehead Rocker Tin Set fits '36-'47 EL, '41-'47 FL Model
V-Twin Manufacturing
$97.31V-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 chrome finish. Sold as a 4 piece set...$97.31 -
V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model
V-Twin Manufacturing
$56.84V-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 includes fitting and cap Fitment: EL 1936-1937$56.84 -
V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model
V-Twin Manufacturing
$50.41V-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$50.41 -
Colony - 9855-28 Zinc Upper and Lower Engine Mount Bolts fits '84-'99 FXST, '86-'99 FLST Models
Colony Machine
$55.43Colony - 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 1986-1999$55.43 -
Colony - 9859-20 Lower Engine Mount Kit fits '89-'99 FLT, '89-'94 FXR Models
Colony Machine
$28.96Colony - 9859-20 Lower Engine Mount Kit fits '89-'99 FLT, '89-'94 FXR Models Chrome lower engine mount bolt kit. Fitment: FLT 1989-1999 FXR 1989-1994$28.96 -
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 front or rear EL 1936-1940 front or rear FL 1941-1966...$22.62 -
Colony - 9874-2 Chrome Oil Screen Plug fits '66-'69 FL Model (OEM #655)
Colony Machine
$21.52Colony - 9874-2 Chrome Oil Screen Plug fits '66-'69 FL Model (OEM #655) Chrome oil screen plug Fitment: FL 1966-1969$21.52 -
Colony - 9875-2 Cadmium Oil Screen Plug fits '66-'69 FL Model (OEM #655)
Colony Machine
$21.52Colony - 9875-2 Cadmium Oil Screen Plug fits '66-'69 FL Model (OEM #655) Cadmium oil screen plug Fitment: FL 1966-1969$21.52 -
Colony - 9878-13 Cadmium Engine Cast Kit fits '57-'76 Sportster Models
Colony Machine
$36.89Colony - 9878-13 Cadmium Engine Cast Kit fits '57-'76 Sportster Models Cadmium engine case kit Fitment: XL 1957-1976$36.89 -
Colony - 9879-31 Cadmium Engine Case Kit fits '77-'90 Sportster Models
Colony Machine
$23.67Colony - 9879-31 Cadmium Engine Case Kit fits '77-'90 Sportster Models Cadmium engine case kit Fitment: XL 1977-1990$23.67 -
Colony - 9880-2 Chrome Generator Screw Kit fits '71-'85 Sportster Models
Colony Machine
$16.98Colony - 9880-2 Chrome Generator Screw Kit fits '71-'85 Sportster Models Chrome generator screw kit Fitment: XL 1971-1985$16.98 -
Colony - 9883-20 Chrome Engine Case Flanged Bolt Kit fits '96-'99 FLT/FXD/FXST/FLST Models
Colony Machine
$50.80Colony - 9883-20 Chrome Engine Case Flanged Bolt Kit fits '96-'99 FLT/FXD/FXST/FLST Models Chrome flanged engine case bolt kit Fitment: FLT 1996-1999 FXD 1996-1999 FXST 1996-1999 FLST 1996-1999$50.80 -
Colony - 9889-16 Cadmium Headbolt Kit fits '51-'73 G, '51-'52 WL Models (OEM #16809-40)
Colony Machine
$93.35Colony - 9889-16 Cadmium Headbolt Kit fits '51-'73 G, '51-'52 WL Models (OEM #16809-40) Cadmium headbolt kit, stock for side valve models Fitment: G 1951-1973 WL 1951-1952$93.35 -
Colony - 9897-6 16" x 32 Grease Fitting Thread fits '37-'48 UL, '36-'40 EL, '41-'66 FL Models (OEM #344)
Colony Machine
$22.62Colony - 9897-6 16" x 32 Grease Fitting Thread fits '37-'48 UL, '36-'40 EL, '41-'66 FL Models (OEM #344) Grease fitting 16" X 32 thread, 6 pack, chrome Fitment: UL 1937-1948 front or rear EL 1936-1940 front or rear FL 1941-1966 front or rear WL...$22.62 -
Colony - 9917-8 Rocker Arm Stud Kit fits '48-'65 FL Model (OEM #17647-48)
Colony Machine
$33.98Colony - 9917-8 Rocker Arm Stud Kit fits '48-'65 FL Model (OEM #17647-48) Rocker arm stud kit for 1 head Fitment: FL 1948-1965$33.98 -
Colony - 9927-28-P Upper and Lower Engine Mount Allen Bolts fits '84-'99 FXST, '86-'99 FLST Models
Colony Machine
$63.23Colony - 9927-28-P Upper and Lower Engine Mount Allen Bolts fits '84-'99 FXST, '86-'99 FLST Models Polished upper and lower Allen type engine mount bolts Fitment: FXST 1984-1999 FLST 1986-1999$63.23 -
Colony - 9933-12-P Polished Intake Manifold Allen Mount Kit fits '86-'87 Sportster Models
Colony Machine
$9.86Colony - 9933-12-P Polished Intake Manifold Allen Mount Kit fits '86-'87 Sportster Models Polished Allen type intake manifold mount kit Fitment: XL 1986-1987$9.86 -
Colony - 9934-8 Transmission To Engine Mount Acorn Bolts fits '99-Up FLT TC-88, '99-'17 FXD TC-88 Models
Colony Machine
$23.86Colony - 9934-8 Transmission To Engine Mount Acorn Bolts fits '99-Up FLT TC-88, '99-'17 FXD TC-88 Models Acorn style transmission to engine mount bolts. Fitment: FLT 1999-UP TC-88 FXD 1999-2017 TC-88$23.86 -
Colony - 9936-28 Front Engine Mount Acorn Bolts fits '99-'17 FXD Model
Colony Machine
$23.86Colony - 9936-28 Front Engine Mount Acorn Bolts fits '99-'17 FXD Model Front Acorn style engine mount bolts Fitment: FXD 1999-2017$23.86 -
Colony - 9938-6 Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models
Colony Machine
$7.86Colony - 9938-6 Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models Chrome oil filter adapter mount Fitment: FLT 1999-2006 FXD 1999-2005$7.86 -
Colony - 9939-6 Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models
Colony Machine
$7.86Colony - 9939-6 Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models Chrome oil filter adapter mount Fitment: FLT 1999-2006 FXD 1999-2005$7.86 -
Colony - 9939-6-P Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models
Colony Machine
$7.86Colony - 9939-6-P Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models Chrome oil filter adapter mount Fitment: FLT 1999-2006 FXD 1999-2005$7.86 -
Colony - 9942-16 Tappet Block Bolt Set Allen fits '99-'17 FLT/FXD, '99-Up FLST/FXST Models
Colony Machine
$22.60Colony - 9942-16 Tappet Block Bolt Set Allen fits '99-'17 FLT/FXD, '99-Up FLST/FXST Models Allen type tappet block bolt set without taper. For TC-88 engines Fitment: FLT 1999-2016 FXST 1999-UP FLST 1999-UP FXD 1999-2017$22.60 -
Colony - 9950-6 Oil Hose Cover Mount Kit fits '99-Up FLT, '99-'17 FXD Models
Colony Machine
$7.86Colony - 9950-6 Oil Hose Cover Mount Kit fits '99-Up FLT, '99-'17 FXD Models Oil hose cover mount kit Fitment: FLT 1999-UP FXD 1999-2017$7.86 -
V-Twin - 9959-38T Knurled Chrome Primary Cover Screw Kit fits '99-'06 FLT Model
V-Twin Manufacturing
$17.45V-Twin - 9959-38T Knurled Chrome Primary Cover Screw Kit fits '99-'06 FLT Model Chrome knurled primary cover screw kit includes 19 screws and 19 washers Fitment: FLT 1999-2006$17.45 -
Colony - 9960-1 Chrome Oversize Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '57-'85 Sportster Models
Colony Machine
$15.64Colony - 9960-1 Chrome Oversize Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '57-'85 Sportster Models Chrome allen timing plug is 11/16" - 16 oversize Fitment: FXST 1984-1999 FXD 1991-1999 FLST 1986-1999 FX 1971-1984 FLT 1979-1999 EL...$15.64 -
Colony - 9967-4 Chrome Screw Set for Motor Mount to Cylinder Head fits '93-Up FLST/FXST, '86-Up Sportster Models
Colony Machine
$19.26Colony - 9967-4 Chrome Screw Set for Motor Mount to Cylinder Head fits '93-Up FLST/FXST, '86-Up Sportster Models Chrome engine mount to cylinder head screw set features flat head allen screws and countersunk washers Fitment: FLST 1993-UP XL...$19.26 -
Colony - 9970-20 Chrome M8 Upper Pushrod Cover Kit fits '99-'16 FLT, '99-'17 FXD, '99-Up FXST/FLST Models
Colony Machine
$32.60Colony - 9970-20 Chrome M8 Upper Pushrod Cover Kit fits '99-'16 FLT, '99-'17 FXD, '99-Up FXST/FLST Models Chrome upper pushrod cover kit includes 4: 1-3/4" long retaining clips, cups, springs, rubber seals and steel washers for M8...$32.60
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.