Engine
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James Gasket Retaining Rings for Exhaust Flange Kit
James Gaskets
$3.95James Gasket Retaining Rings for Exhaust Flange Kit These retaining rings are replacement parts for the Drag Specialties Exhaust Flange Kit for Harley Evo Big Twin 1984-Up (DBC-3480). They are sold as a pair. Alternative Eastern Motorcycle...$3.95 -
James Gaskets - Pushrod Seal Kit W/ Tappet Cover Gaskets and O-Ring fits '99-'17 Twin Cam Models
James Gaskets
$19.95James Gaskets - Pushrod Seal Kit W/ Tappet Cover Gaskets and O-Ring fits '99-'17 Twin Cam Models This kit provides a simple and effective method to properly sell the right amount of seals or O-rings for a rebuild or cam change. Features James...$19.95 -
James Gaskets - Gasket Oil Seal Kit, Transmission Main Drive - fits '07-'17 Twin Cam & '06-Up Dyna Models (Repl. OEM #12074K)
James Gaskets
$26.95James Gaskets - Gasket Oil Seal Kit, Transmission Main Drive - fits '07-'17 Twin Cam & '06-Up Dyna Models (Repl. OEM #12074K) Features top-quality main drive gear shaft seals. Fitment 2016-2017 Harley-Davidson Softail Slim S...$26.95 -
James Gaskets - Gasket Rocker Cover Kit - fits '99-Up Twin Cams
James Gaskets
$85.95James 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$85.95 -
James Gaskets - Gasket Kit, Tappet Cover-Pushrod Tube - fits '99-Up Twin Cam
James Gaskets
$37.95The James Gaskets Gasket Kit, Tappet Cover Pushrod Tube: State of the art material Made in the USA Includes Mounting Hardware Fitment: '99-Up Twin Cam Models$37.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit fits '91-'03 Sportster Models
James Gaskets
$68.95James Gaskets - James Rubber Rocker Box Gasket Kit fits '91-'03 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...$68.95 -
James Gaskets - Complete Gasket Set fits '66-'84 Shovelhead 4-Speed; Repl. OEM #17029-70/17029-66
James Gaskets
$128.95James Gaskets - Complete Gasket Set fits '66-'84 Shovelhead 4-Speed; Repl. OEM #17029-70/17029-66 This top-quality complete gasket set comes with the gaskets, oil seals and O-rings required to completely rebuild '66-'84 Shovelhead 4-Speed . Made in...$128.95 -
James Gaskets - Cam Quick Change Gasket Seal Kit Metal w/ Bead - fits '70-'92 FLT, FXR, Softail
James Gaskets
$41.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '70-'92 FLT, FXR, Softail$41.95 -
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 -
James Gaskets - Twin Cam Top End Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$144.95James 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-'04 Twin Cam Models$144.95 -
James Gaskets - Cam Quick Change Gasket Seal Kit - fits '93-'99 Evo
James Gaskets
$34.95James Gaskets Evo Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '93-'99 Evo$34.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '86-'90 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '86-'90 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...$91.95 -
James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution
James Gaskets
$18.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution$18.95 -
James Gaskets - Cam Cover Gasket Seal Kit - fits '70-'92 FL, FLH, FLT, FXR, Softail
James Gaskets
$34.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '70-'92 FL, FLH, FLT, FXR, Softail$34.95 -
James Gaskets - Evo Motor Gasket Kit w/ MLS Head Gaskets - fits '84-'91 Evo
James Gaskets
$164.95James Gaskets Evo Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '84-'91 Evo$164.95 -
James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams
James Gaskets
$78.95James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams This Genuine James kit comes with matching head and base gaskets and O-Rings where applicable. Made in the U.S.A. Fitment 2006 Harley-Davidson Street Glide...$78.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$163.95James 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-'04 Twin Cam Models$163.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '05-Up
James Gaskets
$163.95James 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: '05-UP Twin Cam Models$163.95 -
V-Twin - 40-0513 - Crankcase Vent Fitting
Colony
$20.34V-Twin - 40-0513 - Crankcase Vent FittingDescriptionCrankcase vent fitting. Fits:XL 1977-1980Additional Information OEM No.34744-77 UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages872$20.34 -
V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit Chrome
Colony
$74.07V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit ChromeDescriptionRocker box allen screw kit includes chrome plated button head allen screws and washers, used to mount rocker covers on 2017-up Touring models. Fits:FLT 2017-UPAdditional Information ...$74.07 -
V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch
Colony
$15.72V-Twin - 37-0799 - Split Lock Washers Parkerized 1/2 inch Description 1/2" X 27/32" X 1/16" split lock washers with a parkerized finish, is for use with OEM #7905, 1/2"-20 X 3/8" X 3/4" flex nut. Fits: UL 1937-1948 EL 1936-1940 FL...$15.72 -
V-Twin - 37-0565 - Rocker Box Cover Screw Set Parkerized
Colony
$27.15V-Twin - 37-0565 - Rocker Box Cover Screw Set ParkerizedDescriptionRocker box cover hex head flat screw set with a parkerized finish.Sold as a set of 34 pieces. Fits:FL 1941-1947EL 1936-1940 KnuckleheadAdditional Information OEM No.3477 UOM1 - SET ...$27.15 -
V-Twin - 3351-4 - Rocker Arm Thrust Washer Kit
Colony
$22.50V-Twin - 3351-4 - Rocker Arm Thrust Washer KitDescriptionRocker arm thrust washer kit is precision machine, heat treated construction. Fits:FL 1941-1947EL 1937-1940Additional Information OEM No.17465-36 UOM1 - KIT ManufacturerColony OriginUSA 2025...$22.50 -
V-Twin - 3311-1 - Motor Case Breather Pipe Nipple
Colony
$11.20V-Twin - 3311-1 - Motor Case Breather Pipe NippleDescriptionMotor case breather pipe nipple. Fits:K 1952-1956XL 1957-1984FL 1965-1967Additional Information OEM No.24918-52 UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages863$11.20 -
V-Twin - 3310-17 - Engine Case Bolt Kit
Colony
$73.53V-Twin - 3310-17 - Engine Case Bolt KitDescriptionParkerized and cadmium finished engine case bolt kit for Side Valve models. Fits:WR 1932-1936Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages803$73.53 -
V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return Oil
Colony
$26.65V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return OilDescriptionSet of 4 nuts used on 1936-1947 Knucklehead rocker cover return lines. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerColony OriginUSA ...$26.65 -
V-Twin - 3300-12 - Valve Cover O-Ring and Gasket Kit
Colony
$19.88V-Twin - 3300-12 - Valve Cover O-Ring and Gasket KitDescriptionValve cover gaskets and orings kit for Colony style internal o-ring seal. Fits:VL 1930-1936U 1937-1938Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages819$19.88 -
V-Twin - 3286-12 - Rocker Box Mounting Kit Parkerized
Colony
$26.65V-Twin - 3286-12 - Rocker Box Mounting Kit ParkerizedDescriptionRocker box mounting kit includes stock replacement hex head bolts, machined from solid bar as original, and washers in a parkerized finish. Fits:EL 1936-1940FL 1941-1947Additional...$26.65 -
V-Twin - 3282-4 - Knucklehead Rocker Cover Gasket Set
Colony
$15.72V-Twin - 3282-4 - Knucklehead Rocker Cover Gasket SetDescriptionKnucklehead rocker cover gasket set includes 4 gaskets. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerColony OriginUSA 2025 Catalog Pages515$15.72 -
V-Twin - 3273-20 - Valve Cover Set Chrome Plated
Colony
$126.53V-Twin - 3273-20 - Valve Cover Set Chrome PlatedDescriptionChrome plated valve cover set. Fits:G 1931-1941W 1931-1941WL 1931-1941Additional Information UOM1 - SET ManufacturerColony OriginUSA 2025 Catalog Pages798$126.53 -
V-Twin - 3272-1 - Relief Pipe Nut Cadmium Plated
Colony
$13.46V-Twin - 3272-1 - Relief Pipe Nut Cadmium PlatedDescriptionCadmium plated relief pipe nut. Fits:G 1929-1931W 1929-1931J 1926-1934Additional Information OEM No.544-26 UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages798$13.46 -
V-Twin - 3260-36 - Parkerized Head Bolt and Washer Set
Colony
$101.00V-Twin - 3260-36 - Parkerized Head Bolt and Washer SetDescriptionStock head bolt and washer set features a parkerized finish. Fits:VL 1930-1930 Early 1930Additional Information OEM No.14-30+0228 UOM1 - SET ManufacturerColony OriginUSA 2025 Catalog...$101.00 -
V-Twin - 3255-8 - Tappet Screw and Nut Kit
Colony
$45.20V-Twin - 3255-8 - Tappet Screw and Nut KitDescription4 piece tappet screw and lock nut kit. Fits:EL 1936-1940FL 1941-1952Additional Information OEM No.18555-36 UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages502$45.20 -
V-Twin - 3253-8 - Tappet Screw and Nut Kit
Colony
$45.20V-Twin - 3253-8 - Tappet Screw and Nut KitDescription4 piece tappet screw and lock nut kit. Fits:XL 1957-1985Additional Information OEM No.18554-57 UOM1 - KIT ManufacturerColony OriginUSA$45.20 -
V-Twin - 3246-1 - Oil Pressure Switch Nipple Kit
Colony
$11.20V-Twin - 3246-1 - Oil Pressure Switch Nipple KitDescriptionOil pressure switch nipple kit features a cadmium plated nipple complete with the screen and washer. Fits:FL 1958-1969Additional Information OEM No.26569-58 UOM1 - KIT ManufacturerColony ...$11.20 -
V-Twin - 3245-2 - Valve Spring Cover Wrench Set
Colony
$52.77V-Twin - 3245-2 - Valve Spring Cover Wrench SetDescriptionValve spring cover wrench set used on threaded type valve covers. Fits:U 1937-1948VL 1930-1936Additional Information OEM No.11806-30 UOM1 - SET ManufacturerColony OriginUSA$52.77 -
V-Twin - 3238-2 - Oil Pump Cover Nipple and Washer
Colony
$15.72V-Twin - 3238-2 - Oil Pump Cover Nipple and WasherDescriptionOil pump cover nipple is chrome plated and comes with a brass washer. Fits:FL 1950-1964Additional Information OEM No.26424-50 UOM1 - SET ManufacturerColony OriginUSA$15.72 -
V-Twin - 3208-28 - Rocker Box Screw Kit Cadmium
Colony
$57.70V-Twin - 3208-28 - Rocker Box Screw Kit CadmiumDescriptionCadmium plated rocker box screw kit includes bolts and washers. Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerColony OriginUSA$57.70 -
V-Twin - 3207-28 - Rocker Box Screw Kit Cadmium
Colony
$55.25V-Twin - 3207-28 - Rocker Box Screw Kit CadmiumDescriptionCadmium plated rocker box screw kit includes bolts and washers. Fits:XL 1957-1976Additional Information UOM1 - KIT ManufacturerColony OriginUSA$55.25 -
V-Twin - 3179-8 - Rocker Arm Cover Oil Line Fitting Nuts and Seals Kit
Colony
$30.80V-Twin - 3179-8 - Rocker Arm Cover Oil Line Fitting Nuts and Seals KitDescriptionNuts and seals for rocker arm cover oil line fittings. Fits:FLT 1979-1984FX 1971-1984FXR 1982-1984FL 1966-1984XL 1957-1984Additional Information UOM1 - KIT ...$30.80
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.