Engine
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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 -
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 - 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 -
Colony - 11/16"-16 Acorn/Oversized Timing Plug Crankcase/Oil Tank with Special Tap fits '86-'95 Sportster Models
Colony Machine
$51.95Colony - 11/16"-16 Acorn/Oversized Timing Plug Crankcase/Oil Tank with Special Tap fits '86-'95 Sportster Models Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug...$51.95 -
Colony - 9876-2 Chrome Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657)
Colony Machine
$10.95Colony - 9876-2 Chrome Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657) Features: Oil Screen plug for Big Twin models Made in the USA Fitment 1984 Harley-Davidson Electra Glide Special...$10.95 -
Feuling - 543 Series HP+® Chain Drive Camchest Kit fits '99-'06 Twin Cam Models (Except '06 Dyna Glide)
Feuling
$1,595.95Feuling - 543 Series HP+® Chain Drive Camchest Kit fits '99-'06 Twin Cam Models (Except '06 Dyna Glide) Features: For '99-'06 Twin Cam except for '06 Dyna All necessary components from top-to-bottom of the camchest Provide maximum...$1,595.95 -
Drag Specialties - Rear Brake Master Cylinder Cover Kit fits '99-'04 Touring, '00-'05 Softail Models (OEM#s 45057-99, 42455-99, 45042-99,45149-99C)
Drag Specialties
$26.47Drag Specialties - Rear Brake Master Cylinder Cover Kit fits '99-'04 Touring, '00-'05 Softail Models (OEM#s 45057-99, 42455-99, 45042-99,45149-99C) Features: Includes gasket and mounting screws Fitment 2005 Harley-Davidson Softail...$26.47 -
V-Twin - Black V₂ Rocker Box Set fits '92-'99 Big Twin Models
V-Twin Manufacturing
$409.61V-Twin - Black V₂ Rocker Box Set fits '92-'99 Big Twin Models ViTwin's V₂ Rocker Box Set is an exact, machined die-cast cover. The set is complete with six pieces, including all of the necessary gaskets for installation on both heads. Fitment FLT...$409.61 -
V-Twin - Black V₂ Rocker Box Set fits '84-'91 Big Twin Models
V-Twin Manufacturing
$328.01V-Twin - Black V₂ Rocker Box Set fits '84-'91 Big Twin Models ViTwin's V₂ Rocker Box Set is an exact, machined die-cast cover. The set is complete with six pieces, including all of the necessary gaskets for installation on both heads. Fitment FLT...$328.01 -
V-Twin - Cam Covers fit '17 & Up M8 Models
V-Twin Manufacturing
$144.54 - $144.70V-Twin - Cam Covers fit '17 & Up M8 Models Available in your choice of a chrome, black or titanium finish. Fitment FLST 2018-UPFLT 2017-UPFXST 2018-UP$144.54 - $144.70 -
Performance Machine - Scallop Cam Cover fits '01-'17 Twin Cam Models W/O Cam Position Cover
Performance Machine
$398.95 - $438.95Performance Machine - Scallop Cam Cover fits '01-'17 Twin Cam Models W/O Cam Position Cover The Formula Cam Covers from Performance Machine feature a special polycarbonate lens for a glimpse inside the machine! Available in your choice of a Chrome,...$398.95 - $438.95 -
Cometic - Primary Gasket Kit fits '94-'06 Touring Models
Cometic
$130.15Cometic - Primary Gasket Kit fits '94-'06 Touring Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic rubber which is bonded...$130.15 -
Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models
Alloy Art
$411.95Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models This Cam Cover has a low-profile design, which brings in greater diameter headers even closer for more ground clearance. Features Large breather fitting option allows for greater...$411.95 -
Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model
Hofmann Designs
$65.95Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel hardware Fitment Milwaukee 8 Models$65.95 -
Hofmann Designs - H/D Billet Timer Cover - Black fits M8 Model
Hofmann Designs
$65.95Hofmann Designs - H/D Billet Timer Cover - Black fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel hardware Fitment Milwaukee 8 Models$65.95 -
S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models
S&S Cycle
$122.95S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models This rocker arm stud kit lengthens the life of your cylinder heads AND helps prevent damage to the rocker arm towers! You can re-torque the rocker arm nuts after installation. The kit...$122.95 -
Santoro Fabworx - Chacho Engine Bolt Kit fits '17-'23 M8 Softail & Touring Models
Santoro Fabworx
$450.95Santoro Fabworx - Chacho Engine Bolt Kit fits '17-'23 M8 Softail & Touring Models Give your motor and trans a pop of color with Santoro Fabworx's colored Chacho Bolt Kits. All kits come with: Chacho Covers, Stainless-Steel Socket Head Hardware to...$450.95 -
S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas)
S&S Cycle
$3,345.95 - $3,467.95S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas) S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases displacement to 100" ('99-'06) and the cylinders fit...$3,345.95 - $3,467.95 -
S&S Cycle - 465 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models
S&S Cycle
$1,580.95S&S Cycle - 465 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate...$1,580.95 -
S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models
S&S Cycle
$1,846.95S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...$1,846.95 -
S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Touring Models
S&S Cycle
$1,864.95S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...$1,864.95 -
Arlen Ness - 10-Gauge Lifter Block Covers fits '17-'21 M8 Softail Models (Choose Finish)
Arlen Ness
$249.95Arlen Ness - 10-Gauge Lifter Block Covers fits '17-'21 M8 Softail Models (Choose Finish) These 10-gauge lifter blocks act as replacements for OEM lifter blocks and accept factory and aftermarket pushrod tubes. Available in your choice of a chrome, black...$249.95 -
Feuling - 12-Point Black Oxide Internal Engine Fastener Kit for '17-'23 M8 Softail
Feuling
$269.95Feuling - 12-Point Black Oxide Internal Engine Fastener Kit for '17-'23 M8 Softail Reduce the stress on your M8 cylinder heads with the help of this Internal Engine Fastener Kit. A stud transfers the stress from the standoff casting into the stud. Also...$269.95 -
Feuling - HP+® One-Piece Pushrods for '17-Up M8 Softail
Feuling
$169.95Feuling - HP+® One-Piece Pushrods for '17-Up M8 Softail Features Feuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter...$169.95 -
Feuling - Race Series® 592 Chain Drive Camchest Kit fits '17-Up M8 Softail
Feuling
$699.95Feuling - Race Series® 592 Chain Drive Camchest Kit fits '17-Up M8 Softail NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See "Also Bought" section)...$699.95
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.