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On Sale
Colony - Rocker Shaft End Plug And Cap Kit - fits '71-Up Shovelhead and '71-'85 XL Models
Colony Machine
MSRP: $46.95Now: $39.99Was: $47.95The Colony Rocker Shaft End Plug and Cap Kit: Meets or exceeds OEM specifications Made in the USA Chrome plated allen style Fitment: '71-Up Shovelhead and '71-'85 XL ModelsMSRP: $46.95Now: $39.99Was: $47.95 -
Colony - Ignition Cover Timer Stud Kit fits '80-'99 Big Twin, '80-'85 Sportster Models (OEM #32601-80, 32606-82)
Colony Machine
$13.95Colony - Ignition Cover Timer Stud Kit fits '80-'99 Big Twin, '80-'85 Sportster Models (OEM #32601-80, 32606-82) Features: Reproduction of original ignition timer cover studs Made in the U.S.A...$13.95 -
Cometic - Primary Gasket Kit fits '17-'22 M8 Touring Models
Cometic
$87.10Cometic - Primary Gasket Kit fits '17-'22 M8 Touring Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically...$87.10 -
James Gaskets - Gasket O-Ring Kit, Cam Quick Change - fits '99-Up Twin Cams
James Gaskets
$56.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-Up Twin Cam Models$56.95 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin
S&S Cycle
$31.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin Features: Master rebuild kit for S&S oil pump. Made in the U$31.95 -
S&S Cycle - Chrome Rocker Box for Harley Evo Big Twin 1984-1999
S&S Cycle
$1,279.95 - $1,659.95S&S Chrome Rocker Box for Harley Evo Big Twin 1984-1999 Chrome rocker box available in billet or die-cast construction. Please be sure to check the fitment table below to ensure it will fit your...$1,279.95 - $1,659.95 -
Feuling Parts - 1077 - Valve Guide Seals - For 0.530" Guide - 5/16" Valve Stem - Screamin' Eagle Cylinder Heads - Fits 0.530" guide (" valve for most Screamin' Eagle heads (4 pk.), " valve for most Screamin' Eagle heads)
Feuling
$15.95Feuling Parts - 1077 - Valve Guide Seals - For 0.530" Guide - 5/16" Valve Stem - Screamin' Eagle Cylinder HeadsFeaturesHigh-quality Viton® valve guide sealsDesigned to handle high engine temperatures...$15.95 -
Colony - Tappet Adjuster Locknuts fits '38-'84 Big Twin (Except Evolution) & '57-'85 Sportster Models
Colony Machine
$11.95Colony - Tappet Adjuster Locknuts fits '38-'84 Big Twin (Except Evolution) & '57-'85 Sportster Models Features: Split locknuts with 9/32"-32 thread Made in the U.S.A.$11.95 -
Colony - 7143-4 Rocker Shaft End Plugs fits '66-'70 Shovelhead & '57-'70 Sportster Models
Colony Machine
$36.95Colony - 7143-4 Rocker Shaft End Plugs fits '66-'70 Shovelhead & '57-'70 Sportster Models Features: Designed to make installation or removal easier$36.95 -
Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A))
Colony Machine
$88.95Colony - Replacement Cylinder Stud Set fits '86-'22 Sportster Models (Except RH Sportster (OEM #16832-86A)) Features: Heat-treated for strength and durability Equal or surpass original...$88.95 -
Feuling - 12-Point External Engine Fastener Kit fits '17-'22 Touring Models
Feuling
$399.95Feuling - 12-Point External Engine Fastener Kit fits '17-'22 Touring Models This kit comes with a cam cover, lifter block covers, rocker covers, case bolts, oil lines, a volt regulator, exhaust...$399.95 -
On Sale
Accel - Oil Pressure Switches fits '41-'83 Big Twin Models
Accel
MSRP: $43.56Now: $24.99Was: $46.95Accel - Oil Pressure Switches fits '41-'83 Big Twin Models Features: The Accel Oil Pressure Switches are reliable and will protect your motorcycle engine. Heavy duty contacts, brass ferrules and...MSRP: $43.56Now: $24.99Was: $46.95 -
On Sale
Colony - Cylinder Stud Set - fits '86-Up XL
Colony Machine
MSRP: $88.95Now: $81.99Was: $88.95Colony cylinder stud set. 8pack Fits: XL 1986-UP EvolutionMSRP: $88.95Now: $81.99Was: $88.95 -
V-Twin - Chrome Pushrod Cover Kit fits '57-E'79 XL Sportster
V-Twin Mfg
$132.34Chrome Pushrod Cover kit includes upper and lower pushrod covers, seals, springs. Fits: XL 1957-1979 Early 1979$132.34 -
Permatex - 82180 - Ultra Black Hi-Temp Rtv Silicone Gasket Maker 3Oz
Permatex
$12.95Permatex - 82180 - Ultra Black Hi-Temp Rtv Silicone Gasket Maker 3OzFeaturesGlobal Trade Item Number: 686226821805Fast-curing formula, sensor safe, low odor, noncorrosiveMeets performance specs of OE...$12.95 -
Cometic - C9302F1 - Big Twin Cam Cover Gasket Big Twin 1/Pk
Cometic
$8.94Cometic - C9302F1 - Big Twin Cam Cover Gasket Big Twin 1/PkFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$8.94 -
Cometic - C9313F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90B
Cometic
$16.08Cometic - C9313F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90BFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$16.08 -
James Gaskets - 17040-92 - Gasket Top End Evo Kit 17040-92
James Gaskets
MSRP: $126.95$121.95James Gaskets - 17040-92 - Gasket Top End Evo Kit 17040-92FeaturesFitment1994-1999Harley DavidsonFLHR Road King1992-1999Harley DavidsonMSRP: $126.95$121.95
James Gaskets - 11101-XL - Gasket Oring Pushrod Tube Kit 11101-Xl
James Gaskets
$8.95James Gaskets - 11101-XL - Gasket Oring Pushrod Tube Kit 11101-XlFeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U.S...$8.95
Kpmi - 20-21300 - Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem Valves
Kibblewhite
$184.99Kpmi - 20-21300 - Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem ValvesFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and...$184.99
Kpmi - 20-21255 - Compression Release 2/Pk Twin Cams
Kibblewhite
$49.95Kpmi - 20-21255 - Compression Release 2/Pk Twin CamsFeaturesKPMI® Compression release valves are state of the artDesigned to reduce “hot start” issues and starter/battery loads5-7 Newton’s of closing...$49.95
Hastings Mfg - 2M4941 - Pist Rings Twin Cam 1690 Std Size Moly
Hastings
$53.95Hastings Mfg - 2M4941 - Pist Rings Twin Cam 1690 Std Size MolyFeaturesAvailable in Cast or Moly Three piece oil ringsDesigned to work with OEM and Screaming Eagle piston's Sold in sets, for two...$53.95
Harddrive - 34-138 - Breather Hose Oem 29476-99 Softail 00-12 Flt 01-07 Fx 01-
HardDrive
$7.16Harddrive - 34-138 - Breather Hose Oem 29476-99 Softail 00-12 Flt 01-07 Fx 01-FeaturesGlobal Trade Item Number: 191361165856Replacement for deteriorated OEM breather hosesSold in pairs$7.16
Harddrive - 301776 - Head Bolt Covers Black 4-Pk
HardDrive
$35.96Harddrive - 301776 - Head Bolt Covers Black 4-PkFeaturesGlobal Trade Item Number: 191361121180CNC machined from billet aluminumFit all 1/2", 12 point head bolts on Evo, Twin Cam and Sportster...$35.96
Hiflofiltro - HF170B - Oil Filter
Hiflofiltro
$8.61Hiflofiltro - HF170B - Oil FilterFeaturesGlobal Trade Item Number: 824225111200Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters...$8.61
V-Twin - 49-1965 - UL-ULH Valve Cover Chrome
V-Twin Mfg
$250.69V-Twin - 49-1965 - UL-ULH Valve Cover ChromeDescriptionUL and ULH chrome valve cover, 4 piece.Kit includes retaining clips, lock ring, lower muffle cover retainer, pushrod valve cover spring, upper...$250.69
V-Twin - 42-0138 - Prime Rib Natural Cam Cover Trim - Fits 1991-2015 Harley-Davidson XL
V-Twin Mfg
$161.76Natural aluminum prime rib style cam cover trim mounts over existing cam cover with existing screws.Finned cover includes three screws to fit over existing cam cover for the countersunk openings in...$161.76
V-Twin - 42-0105 - D-Ring Chrome - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$105.50Chrome d-ring are thick alloy style Fits:FL 1948-1965Additional Information OEM No.17509-54A UOM1 - S$105.50
V-Twin - 42-0104 - Panhead D-Ring Set Chrome - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
MSRP: $70.95$70.24Chrome d-rings are steel style for Panhead models. Fits:FL 1948-1965Additional Information OEM No.251 UOMMSRP: $70.95$70.24
V-Twin - 42-0103 - Panhead Cover Set Chrome - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$127.53Chrome Panhead cover set for Big Twin models. Fits:FL 1948-1965Additional Information OEM No.17500-48 UOM$127.53
V-Twin - 40-0748 - Transmission Mount Oil Filter - Fits 1974-1984 Harley-Davidson FL, 1971-1984 FX
V-Twin Mfg
$94.99This oil filter transmission mount type fits 4-speed models. Includes black bracket and chrome filter.Filter is specifically for use with late Big Twin swingarm frames with forward mounted master...$94.99
V-Twin - 40-0647 - U/UL Oil Line Set Zicad Plated - Fits 1941-1948 Harley-Davidson UL
V-Twin Mfg
$166.54Zicad plated oil line set includes feed, return and vent lines.Sold as a 3 piece set. *NOTE: Zicad is a dull shade of zinc similar to cadmium...$166.54
V-Twin - 40-0387 - Oil Pre-Filter
Wyatt Gatling
$46.00V-Twin - 40-0387 - Oil Pre-FilterDescriptionThe Sifton chrome oil pre filter has a barbed end and is constructed of machined alloy with a #40 mesh screen installed to trap debris. Hose has a 3/8"...$46.00
V-Twin - 40-0179 - Replica 'Y' Oil Line Kit
Wyatt Gatling
MSRP: $72.13$71.41V-Twin - 40-0179 - Replica 'Y' Oil Line KitDescriptionReplica steel 'Y' line oil kit includes elbow and fittings for Panhead engines. The line is chrome and the elbow is zinc plated.Kit is for use on...MSRP: $72.13$71.41
V-Twin - 40-0114 - Chrome Oil Line Set
Wyatt Gatling
$35.81V-Twin - 40-0114 - Chrome Oil Line SetDescriptionChrome oil line set for Shovelhead rocker boxes includes fittings and seals. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional...$35.81
V-Twin - 37-9545 - Chrome Bolt Cap 109 Piece Cover Kit
V-Twin Mfg
MSRP: $69.88$69.18V-Twin - 37-9545 - Chrome Bolt Cap 109 Piece Cover KitDescriptionKit contains 109 pieces of chrome bolt cap covers constructed of ABS plastic. Fits:XL 2004-UPAdditional InformationMSRP: $69.88$69.18
V-Twin - 35-1252 - XL EFI Seal Kit
V-Twin Mfg
$20.32V-Twin - 35-1252 - XL EFI Seal KitDescriptionEFI seal kit includes 2 screws and 1 o-ring.The length of the screw thread = M-4. Fits:XL 2007-UPAdditional Information$20.32
V-Twin - 33-5462 - Jims Forceflow Cylinder Head Cooler Kit Chrome
Jims
$710.66V-Twin - 33-5462 - Jims Forceflow Cylinder Head Cooler Kit ChromeDescriptionJims chrome forceflow cylinder head cooler kit includes high powered fan, housing, horn, hardware and all wiring.Kit...$710.66
V-Twin - 33-2162 - Tail Lamp Adapter Chrome
Wyatt Gatling
$111.55V-Twin - 33-2162 - Tail Lamp Adapter Chrome Description Chrome plated steel adapter for tombstone style lamp. Fits: Custom application Additional Information$111.55
V-Twin - 31-1975 - Black Velva-Ride Motor Mount
Comp Cams
$171.05V-Twin - 31-1975 - Black Velva-Ride Motor MountDescriptionUrethane mount replaces stock on all Big Twins with rubber mounted engines. The formulated compounds enhance compression and rebound...$171.05
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.