Engine
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Colony - 9939-6-P Chrome Oil Filter Adapter Mount fits '99-'06 FLT, '99-'05 FXD Models
Colony Machine
MSRP: $7.86$7.07Colony - 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 1999-2005MSRP: $7.86$7.07 -
Colony - 9942-16 Tappet Block Bolt Set Allen fits '99-'17 FLT/FXD, '99-Up FLST/FXST Models
Colony Machine
MSRP: $22.60$19.21Colony - 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 1999-2017MSRP: $22.60$19.21 -
Colony - 9950-6 Oil Hose Cover Mount Kit fits '99-Up FLT, '99-'17 FXD Models
Colony Machine
MSRP: $7.86$7.07Colony - 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 1999-2017MSRP: $7.86$7.07 -
V-Twin - 9959-38T Knurled Chrome Primary Cover Screw Kit fits '99-'06 FLT Model
V-Twin Mfg
$15.70V-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$15.70 -
Colony - 9960-1 Chrome Oversize Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '57-'85 Sportster Models
Colony Machine
MSRP: $15.64$14.07Colony - 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...MSRP: $15.64$14.07 -
Colony - 9967-4 Chrome Screw Set for Motor Mount to Cylinder Head fits '93-Up FLST/FXST, '86-Up Sportster Models
Colony Machine
MSRP: $19.26$17.33Colony - 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...MSRP: $19.26$17.33 -
Colony - 9970-20 Chrome M8 Upper Pushrod Cover Kit fits '99-'16 FLT, '99-'17 FXD, '99-Up FXST/FLST Models
Colony Machine
$38.76Colony - 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...$38.76 -
Colony - 9984-24 Chrome Rocker Box Valve Cover Washers fits '54-'65 FL Model (OEM #6150W)
Colony Machine
MSRP: $25.75$24.07Colony - 9984-24 Chrome Rocker Box Valve Cover Washers fits '54-'65 FL Model (OEM #6150W) Chrome rocker box valve cover washers Fitment: FL 1954-1965MSRP: $25.75$24.07 -
OE - EFI O-Ring and Gasket Kit fits '02-'07 FLT Model (OEM #27655-06)
MSRP: $63.23$61.46OE - EFI O-Ring and Gasket Kit fits '02-'07 FLT Model (OEM #27655-06) EFI o-ring and gasket kit includes sensor o-rings, screws, injector clips and fuel tube seal retainer. Fitment: FLT 2002-2007MSRP: $63.23$61.46 -
Motorshop - Connecting Rod Roller Set fits '36-'52 WR Model
Motorshop
$53.33Motorshop - Connecting Rod Roller Set fits '36-'52 WR Model WR connecting rod roller set includes 18 long and 36 short rollers. For use with WR cage set. Fitment: WR 1936-1952$53.33 -
Colony - 37-8606 1/4"-20 x 1-1/4" Hex Cap Bolt (OEM #3993)
Colony Machine
MSRP: $23.86$20.28Colony - 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 ModelsMSRP: $23.86$20.28 -
V-Twin - Cylinder Head Set with Chrome Rocker Box fits '78-'84 FL/FX Models
V-Twin Mfg
$2,277.89V-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 1978-1984 FX...$2,277.89 -
Motorshop - Oil Pump Feed Idler Gear fits '48-'61 FL Model (OEM #26317-48)
Motorshop
MSRP: $40.51$39.70Motorshop - Oil Pump Feed Idler Gear fits '48-'61 FL Model (OEM #26317-48) Oil Pump Feed Idler Gear. This gear has a 1/4" extended bearing area past the level of the gear that extends into the crankcase. Fitment: FL 1948-1961MSRP: $40.51$39.70 -
V-Twin - Oil Pump Plug fits '84-'98 FXST, '82-'94 FXR, '57-'76 Sportster Models
V-Twin Mfg
$10.89V-Twin - Oil Pump Plug fits '84-'98 FXST, '82-'94 FXR, '57-'76 Sportster Models Oil pump plug. Fitment: FXST 1984-1998 UL 1937-1948 FXR 1982-1994 FLT 1979-1998 FX 1971-1984 EL 1936-1940 FL 1941-1984 WL 1929-1952 FXD 1991-1994 XL 1957-1976 FLST 1986-1998...$10.89 -
Motorshop - Pinion Shaft End Nut fits '54-'56 K, '57-'80 Sportster Models (OEM #8011)
Motorshop
$33.54Motorshop - Pinion Shaft End Nut fits '54-'56 K, '57-'80 Sportster Models (OEM #8011) Pinion shaft end nut.Used on tapered end of pinion shaft when installing shaft into flywheel. Fitment: XL 1957-1980 K 1954-1956$33.54 -
Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models
Colony Machine
MSRP: $24.60$23.00Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models Spring fork rocker lock, 6 piece set Fitment: UL 1946-1948 FL 1946-1948MSRP: $24.60$23.00 -
Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models
Colony Machine
MSRP: $56.43$54.85Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models Spring Fork rocker bushing set Fitment: UL 1946-1948 FL 1946-1948MSRP: $56.43$54.85 -
Colony - 7611-2 Rocker Bushing Tool fits '37-'48 UL, '36-'40 EL, '30-'52 WL Models
Colony Machine
MSRP: $29.85$27.91Colony - 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 1930-1952MSRP: $29.85$27.91 -
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
MSRP: $30.85$28.84Colony - 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 1941-1948MSRP: $30.85$28.84 -
Colony - 7614-4 Cadmium Intake Manifold Nuts fits '53-'56 K, '41-'54 FL, '40-'52 EL Models (OEM #27052-40)
Colony Machine
MSRP: $54.88$35.26Colony - 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...MSRP: $54.88$35.26 -
V-Twin - Chrome Lower Pushrod Cover fits '36-'39 61" EL Model (OEM #17938-36)
V-Twin Mfg
$71.15V-Twin - Chrome Lower Pushrod Cover fits '36-'39 61" EL Model (OEM #17938-36) Chrome lower pushrod cover. Fitment: EL 1936-1939 61"$71.15 -
Colony - 7705-4 Rocker Box Drain Tube Fitting Kit fits '36-'40 EL, '41-'47 FL Models (OEM #17320-38)
Colony Machine
MSRP: $27.80$25.99Colony - 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 1941-1947MSRP: $27.80$25.99 -
Colony - 7709-32 Cadmium Head Nut Set fits '42-'50 W Model
Colony Machine
MSRP: $50.80$49.37Colony - 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 1942-1950MSRP: $50.80$49.37 -
Colony - 7710-18 Cadmium Headbolt Washer fits '37-'47 UL, '29-'52 WL, '29-'73 G Models (OEM #16822-39)
Colony Machine
MSRP: $42.64$37.98Colony - 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 1929-1973MSRP: $42.64$37.98 -
Colony - 7711-18 Cadmium Cylinder Headbolt fits '31-'36 V, '37-'48 U Models
Colony Machine
MSRP: $104.92$98.89Colony - 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 1937-1948MSRP: $104.92$98.89 -
Colony - 7711-18-45 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models
Colony Machine
MSRP: $95.71$90.20Colony - 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 1929-1973MSRP: $95.71$90.20 -
Colony - 7712-36 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models
Colony Machine
MSRP: $103.43$97.48Colony - 7712-36 Cadmium Headbolt fits '29-'52 WL, '29-'73 G Models Cadmium headbolt for side valve models. Fitment: WL 1929-1952 G 1929-1973MSRP: $103.43$97.48 -
Colony - 7713-20 Cadmium Stock 61" Cylinder Head Bolt fits '36-'39 EL Model
Colony Machine
MSRP: $75.40$67.86Colony - 7713-20 Cadmium Stock 61" Cylinder Head Bolt fits '36-'39 EL Model Cadmium 61" cylinder head bolt Fitment: EL 1936-1939MSRP: $75.40$67.86 -
Colony - 7714-20 Cadmium Stock Cylinder Head Bolt fits '40-'47 FL Model
Colony Machine
MSRP: $75.28$67.75Colony - 7714-20 Cadmium Stock Cylinder Head Bolt fits '40-'47 FL Model Cadmium stock cylinder head bolt Fitment: FL 1940-1947MSRP: $75.28$67.75 -
Colony - 7813-8 Chrome Cylinder Base Nut fits '79-'83 FLT, '78-'84 FL/FX Models
MSRP: $38.11$33.95Colony - 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 1978-1984MSRP: $38.11$33.95 -
Colony - Pushrod Kit fits '57-'85 Sportster w/ Solid Lifters (OEM #17904-57)
Colony Machine
$57.95Colony - Pushrod Kit fits '57-'85 Sportster w/ Solid Lifters (OEM #17904-57) Features: Aircraft-grade aluminum tubing Heat-treated steel tips Fits stock stroke lengths Made in the U.S.A. Fitment 1983-1985 Harley-Davidson Sportster...$57.95 -
Thrashin Supply Co. - Gen 2 Smooth M8 Cam Cover fits '24+ Touring Model
Thrashin Supply
$109.95 - $119.95Thrashin Supply Co. - Gen 2 Smooth M8 Cam Cover fits '24+ Touring Model Features: Slim design and cut away corner for improved floorboard clearance Hardware included Aircraft Grade 6061 Aluminum Made in the USA Fitment: Fits 2024+ Touring...$109.95 - $119.95 -
Thrashin Supply Co. - Gen 2 Finned M8 Cam Cover fits '24+ Touring Model
Thrashin Supply
$119.95 - $129.95Thrashin Supply Co. - Gen 2 Finned M8 Cam Cover fits '24+ Touring Model Features: Slim design and cut away corner for improved floorboard clearance Hardware included Aircraft Grade 6061 Aluminum Made in the USA Fitment: Fits 2024+ Touring...$119.95 - $129.95 -
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 -
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 -
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 -
Drag Specialties - Replacement Oil Filler Plug
Drag Specialties
$14.37Drag Specialties - Replacement Oil Filler Plug Features: Replacement oil filler plug for oil tanks$14.37 -
Burly Brand - Black Brawler Kit fits M8 Softail Models
Burly Brand
$252.95 - $351.95Burly 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...$252.95 - $351.95 -
Colony - Allen Oil Pump Plug Kit fits Big Twin Models (OEM #26263-80)
Colony Machine
$10.95Colony - Allen Oil Pump Plug Kit fits 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 -
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
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.