Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc Plated
V-Twin Mfg
$24.77V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc PlatedDescriptionRocker box cover screw set features a zinc plated finish for M8 models. Set is for the center of the rocker arm cover...$24.77 -
V-Twin - 11-0359 - Pushrod Cover Kit
Motorshop
$110.50V-Twin - 11-0359 - Pushrod Cover KitDescriptionBlack stock style pushrod cover kit includes a 16 piece set with all the parts needed for complete installation for Evolution Big Twins. Fits:FXST...$110.50 -
V-Twin - 10-0768 - Sifton Solid Tappet Conversion Kit
Motorshop
$168.03V-Twin - 10-0768 - Sifton Solid Tappet Conversion KitDescriptionSifton lifter conversion kit for Big Twin includes four standard size roller tappets and conversion adapter to act as solid lifters...$168.03 -
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 -
Hastings - 6164 - Piston Rings - 3.498" Standard - Evolution Big Twin
Hastings
$37.85Hastings - 6164 - Piston Rings - 3.498" Standard - Evolution Big TwinFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceCast...$37.85 -
Feuling Parts - 7030 - Oil Pump - OE+ - Twin Cam
Feuling
$319.95Feuling Parts - 7030 - Oil Pump - OE+ - Twin CamFeaturesMade of 6061 billet aluminum with high-flow 2" chromoly gerotor gearsOil pumps increase oil pressure and scavenge return volumeFeuling® OE+...$319.95 -
Colony - 8931-16 Rocker Box Cover Allen Screw fits '84-'98 FXST/FLT, '86-'UP XL, '91-'98 FXD Models - Chrome
Colony Machine
$26.48Colony - 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...$26.48 -
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 -
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 -
Custom Cycle Engineering - Finned Rocker Covers for Panhead 1948-1965
Custom Cycle Engineering
$457.95 - $584.95Custom Cycle Engineering - Finned Rocker Covers for Panhead 1948-1965 Part of the Randy Smith collection by Custom Cycles Engineering, these finned covers are for Harley Panhead engines 1948-1965...$457.95 - $584.95 -
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 -
Colony - Tappet Adjuster Locknuts fits '38-'84 Big Twin (Except Evolution) & '57-'85 Sportster Models
Colony Machine
$12.95Colony - 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.$12.95 -
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 -
S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads
S&S Cycle
$149.95S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads Features Set of 8 Head Bolts & Washers 4 Head Bolts: 12 pt, 3/8-16 x 3.384" x .950" TD Installation Instructions$149.95 -
On Sale
Accel - Oil Pressure Switches fits '41-'83 Big Twin Models
Accel
MSRP: $43.56Now: $24.99Was: $51.65Accel - 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: $51.65 -
S&S Cycle - 310-1378A - Cam Chest Kit - Oil Cooled - Chain Drive - 496 Cam - Chrome Pushrod Tubes - M8
S&S Cycle
$1,495.95S&S Cycle - 310-1378A - Cam Chest Kit - Oil Cooled - Chain Drive - 496 Cam - Chrome Pushrod Tubes - M8FeaturesPassage plugs are removable for servicingIndependent scavenge sections for the flywheel...$1,495.95 -
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
Feuling - 4000 - Hydraulic Hp+ Roller Lifters
Feuling
$203.95Feuling - 4000 - Hydraulic Hp+ Roller LiftersFeaturesPerformance hydraulic roller liftersOptimized oil flow to top end - valves, springs, rockers, shafts & valve guidesCooler oil and reduced...$203.95
Cometic - C10178 - Cam Change Kit M8 Cam Change Kit Oe#25700731
Cometic
$37.71Cometic - C10178 - Cam Change Kit M8 Cam Change Kit Oe#25700731FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$37.71
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 - 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 - 42-0794 - Chrome Top Oil Pump Cover - Fits 1993-1995 Harley-Davidson FLT, 1993-1998 FLHR
V-Twin Mfg
$29.79Use for top replacement cover and includes all mounting hardware. Cover is chrome. Fits:FLT 1993-1995FLHR 1993-1998Additional Information OEM No.$29.79
V-Twin - 42-0654 - Chrome Oil Pump Dress Up Kit - Fits 1992-1998 Harley-Davidson FXD, FLST, 1992-1994 FXR, 1992-1998 FLT, FXST
V-Twin Mfg
$115.07Chrome oil pump dress up kit includes chrome covers for oil filter housing, tappet blocks, and oil pump on 1992-1999 Big Twin 1340 models. Fits:FXD 1992-1998FLST 1992-1998FXR 1992-1994FLT...$115.07
V-Twin - 42-0457 - Transmission Dress Trim Chrome - Fits 1987-1999 Harley-Davidson FLT, 1987-1994 FXR
V-Twin Mfg
$64.02Chrome transmission dress trim fully covers end cover and inner door Fits:FLT 1987-1999FXR 1987-1994Additional Information UOM1 - EA$64.02
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
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.