Engine
- Product
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- Quantity
- Price
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S&S Cycle - Oil Pump Replacement Gasket Kit fits '36-'69 Big Twin Models
S&S Cycle
$17.95S&S Cycle - Oil Pump Replacement Gasket Kit fits '36-'69 Big Twin Models Features: Made in the U.S.A. Fitment 1991 Harley-Davidson Dyna Sturgis FXDB - - 1990-1991 Harley-Davidson Low Rider Convertible...$17.95 -
S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83))
S&S Cycle
$50.95S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83)) Features: Made in the U.S.A. Fitment 2018-2020 Harley-Davidson Iron 1200...$50.95 -
S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models
S&S Cycle
$91.95S&S Cycle - Rocker Box Gasket Kit fits EVO Big Twin Models Features: Replacement gasket kit for rocker box part number 90-4095 Fitment 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson Softail Night Train...$91.95 -
S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models
S&S Cycle
$71.95S&S Cycle - Rocker Box Gasket Kit fits Twin Cam Models Features: Includes all required gaskets and O-rings for both rocker boxes Fitment 2017 Harley-Davidson Road King Special FLHRXS - - 2016-2017 Harley-Davidson CVO Pro...$71.95 -
S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model
S&S Cycle
$175.95S&S Cycle - Solid Lifter Conversion Kit fits '66-'84 Shovelhead Model Features: Converts stock hydraulic lifters to adjustable solids Kit includes four nonadjustable steel pushrods, four adjustable inserts and instructions Made in the U.S.A...$175.95 -
S&S Cycle - Compression Release Hole Plug
S&S Cycle
$24.95S&S Cycle - Compression Release Hole Plug Features: Not for use on OEM heads Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S...$24.95 -
S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models
S&S Cycle
$174.95S&S Cycle - Adjustable Pushrods fits '99-'17 Twin Cam Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removal Made in the U.S.A...$174.95 -
S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight)
S&S Cycle
$41.95S&S Cycle - Tappet Alignment Tool fits 'L76-'17 Big Twin Models (Except M-Eight) Features: Big Twin Evolution tappet blocks do not have counter-bored bolt holes; therefore, when a tappet block is removed (or even just loosened) it should be...$41.95 -
S&S Cycle - Rocker Cover Wrench Set
S&S Cycle
$154.95S&S Cycle - Rocker Cover Wrench Set Features: Four wrenches of different lengths for those hard-to-get-to rocker box screws For use on all Big Twin and XL Evolution-style motors Made in the U.S.A...$154.95 -
S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models
S&S Cycle
$174.95S&S Cycle - Adjustable Pushrods fits '84-'99 Evolution Big Twin Models Features: .4375" diameter chromoly steel for maximum strength Rocker boxes must be removed for installation or removal Made in the U.S.A...$174.95 -
Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Model
Feuling
$69.95Feuling - Billet Cam Chain Tensioner fits '17-'25 Harley M8 Model Features: Tensioner housings are precision machined from billet 6061 aluminum, pads are injection-molded nylon with PTFE added to increase wear and friction resistance Replaces the...$69.95 -
Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Model
Feuling
$119.95Feuling - Hydraulic Camchain Tensioner Kit fits '17 & Up M8 Model Features: Install or replace hydraulic camchain tensioners on stock M8 models Kit includes out chain, outer crank 17 tooth crank sprocket, replacement camchain pad and pin, and...$119.95 -
Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Model
Feuling
$299.95Feuling - 487 Series Chain Drive Reaper® Camshaft fits M8 Model Features: Good for 4.25" stroke with 114"-117" engine looking for an agressive bolt in Produces a wide powerband Responds very well to increased bore and/or compression, exhaust...$299.95 -
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 -
Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A)
Colony Machine
$43.95Colony - 9884-20 Zinc Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A) Features: Includes all necessary hardware for bolting together the motor case Made in the U.S.A. Replacement Part for...$43.95 -
Colony - 2709-24-P Smooth Motor Mount Bolt Kit fits '09-'16 FLT Models (OEM #4313, 4688)
Colony Machine
$35.95Colony - 2709-24-P Smooth Motor Mount Bolt Kit fits '09-'16 FLT Models (OEM #4313, 4688) Features: Individual bolt and nut sets for specific applications Bolt kits include allen screws, nuts and washers Replacement Part for...$35.95 -
Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80)
Colony Machine
$6.95Colony - 9645-2 Cadmium OEM-Style Oil Pump Plug fits '84-'99 Evolution Big Twin Models (OEM #26263-80) Features: Made in the U.S.A. Fitment 1999 Harley-Davidson Softail Night Train FXSTB - - 1998 Harley-Davidson Road King...$6.95 -
Colony - 8931-16 Rocker Box Cover Allen Screw fits '84-'98 FXST/FLT, '86-'UP XL, '91-'98 FXD Models - Chrome
Colony Machine
$25.75Colony - 8931-16 Rocker Box Cover Allen Screw fits '84-'98 FXST/FLT, '86-'UP XL, '91-'98 FXD Models - Chrome Chrome rocker box cover allen screw kit Fitment: FXST 1984-1998 FLT 1984-1998 XL 1986-UP FXD 1991-1998 FXR 1984-1994 FLST 1986-1998$25.75 -
Colony - 9002-4 Cap Headbolt Cover fits '86-'98 FXST/FLT/FLST, '91-'98 FXD, 86-94 FXR Models - Chrome
Colony Machine
$11.86Colony - 9002-4 Cap Headbolt Cover fits '86-'98 FXST/FLT/FLST, '91-'98 FXD, 86-94 FXR Models - Chrome Chrome cap headbolt cover. Fitment: FXST 1986-1998 FLT 1986-1998 FXD 1991-1998 FXR 1986-1994 FLST 1986-1998$11.86 -
Colony - 9213-4 Inner Pushrod Cover fits '84-'98 FXST, '79-'98 FLT, '79-'84 FX/FL Models (OEM #17935-79)
Colony Machine
$46.25Colony - 9213-4 Inner Pushrod Cover fits '84-'98 FXST, '79-'98 FLT, '79-'84 FX/FL Models (OEM #17935-79) Inner pushrod cover. Fitment: FXST 1984-1998 FX 1979-1984 FLT 1979-1998 FXD 1991-1998 FXR 1984-1994 FL 1979-1984 FLST 1986-1998$46.25 -
Colony - 9306-7 Cam Cover Cadmium Screw Kit fits '70-'84 FL, '91-'92 FXD, '82-'92 FXR Models
Colony Machine
$16.98Colony - 9306-7 Cam Cover Cadmium Screw Kit fits '70-'84 FL, '91-'92 FXD, '82-'92 FXR Models Cam cover screw kit with a cadmium finish. Fitment: FL 1970-1984 FXD 1991-1992 FXR 1982-1992 FX 1971-1984 FXST 1984-1992 FLT 1979-1992 FLST 1986-1992$16.98 -
Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models
Colony Machine
$17.88Colony - 9402-1 Chrome Allen Timing Plug fits '84-'99 FXST, '91-'99 FXD, '82-'94 FXR Models Allen timing plug has a chrome finish. Fitment: FXST 1984-1999 FXD 1991-1999 FXR 1982-1994 FLST 1986-1999 FX 1971-1984 FLT 1979-1999 EL 1936-1940 FL...$17.88 -
Colony - 9407-1 Oversize Timing Plug Tap fits '84-'98 FXST, '82-'94 FXR, '57-Up Sportster Models
Colony Machine
$44.37Colony - 9407-1 Oversize Timing Plug Tap fits '84-'98 FXST, '82-'94 FXR, '57-Up Sportster Models Oversize tap for oversized timing plug measures 11/16"-16 thread. Fitment: FXST 1984-1998 UL 1937-1948 XL 1957-UP FXR 1982-1994 FLT 1979-1998 FX...$44.37 -
Colony - 9424-8 Cylinder Stud fits '86-'98 FXST/FLT/FLST, '91-'98 FXD, '86-'94 FXR Models
Colony Machine
$96.00Colony - 9424-8 Cylinder Stud fits '86-'98 FXST/FLT/FLST, '91-'98 FXD, '86-'94 FXR Models Colony Cylinder Stud - Part Number 9424-8 for Evolution. Filment: FXST 1986-1998 FLT 1986-1998 FXD 1991-1998 FXR 1986-1994 FLST 1986-1998$96.00 -
Colony - 9634-4 Chrome Oil Pump Check and Relief Valve Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models
Colony Machine
$28.64Colony - 9634-4 Chrome Oil Pump Check and Relief Valve Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models Oil pump check and relief valve plug with a chrome finish. Fitment: FLT 1981-1998 FXST 1984-1998 FXR 1982-1994 FXD 1991-1998 FL...$28.64 -
Colony - 9635-4 Cadmium Oil Pump Check and Relief Valve Plug fits '91-'98 FXD, '84-'98 FXST, '82-'94 FXR Models
Colony Machine
$23.40Colony - 9635-4 Cadmium Oil Pump Check and Relief Valve Plug fits '91-'98 FXD, '84-'98 FXST, '82-'94 FXR Models Oil pump check and relief valve plug with a cadmium finish Fitment: FLT 1981-1998 FXST 1984-1998 FXR 1982-1994 FXD 1991-1998 FL...$23.40 -
Colony - 9645-2 Cadmium Tappet Screen Oil Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models
Colony Machine
$15.82Colony - 9645-2 Cadmium Tappet Screen Oil Plug fits '84-'98 FXST, '82-'94 FXR, '91-'98 FXD Models Tappet oil screen plug with a cadmium finish Fitment: FLT 1981-1998 FXST 1984-1998 FXR 1982-1994 FXD 1991-1998 FL 1981-1984 FLST 1986-1998 FX...$15.82 -
Colony - 9787-12 Zinc Oil Pump Mount Kit fits '79-'91 FLT, '82-'91 FXR, '86-'91 FLST Models
Colony Machine
$16.98Colony - 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 1978-1984 FLST 1986-1991 FXST 1984-1991 FX 1978-1984$16.98 -
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 -
V-Twin - Oil Pump Plug fits '84-'98 FXST, '82-'94 FXR, '57-'76 Sportster Models
V-Twin Manufacturing
$9.88V-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...$9.88 -
Thrashin Supply Co. - Gen 2 Smooth M8 Cam Cover fits '24+ Touring Model
$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
$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 -
Drag Specialties - Oil Pressure Switch fits '84-'99 Evolution Big Twin Models (Except '87-'98 FLHT/FLTR (OEM #26561-84))
Drag Specialties
$14.23Drag Specialties - Oil Pressure Switch fits '84-'99 Evolution Big Twin Models (Except '87-'98 FLHT/FLTR (OEM #26561-84)) Features: Precision-calibrated replacement oil pressure switches feature heavy contacts, brass pressure ferrules, thermo-plastic...$14.23 -
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 -
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 - 9883-20 Chrome Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A)
Colony Machine
$48.95Colony - 9883-20 Chrome Motor Case Bolt Kit fits '96-'98 Evolution Big Twin Models (OEM #3398, 3504A) Features: Includes all necessary hardware for bolting together the motor case Made in the U.S.A. Replacement Part for...$48.95 -
Colony - 11/16"-16 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-38)
Colony Machine
$8.95Colony - 11/16"-16 Crankcase/Oil Tank Hex Timing Plug fits '86-'95 Sportster Models (OEM #2326-38) Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug holes Fitment 2000 Harley-Davidson FXR...$8.95 -
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 -
Colony - 9000-4 Acorn-Style Head Bolt Cover fits '84-'E85 Evolution Big Twin Models
Colony Machine
$27.95Colony - 9000-4 Acorn-Style Head Bolt Cover fits '84-'E85 Evolution Big Twin Models Features: Cover the unsightly factory 12-point headbolts; come complete with setscrews 7/16" size Fitment 1985 Harley-Davidson Fat Bob...$27.95 -
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
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.