Engine
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S&S Pushrod Tubes - fits '17-'21 M-Eight & '99-'17 Twin Cam
S&S Cycle
$203.95S&S Pushrod Tubes - fits '17-'21 M-Eight & '99-'17 Twin Cam Features: Stylish Black pushrod tubes enhance the look of your engine Great match for the Black engine covers offered on some new HD...$203.95 -
Custom Cycle Engineering - Rear Motor Mount - fits Dyna Models
Custom Cycle Engineering
$646.95Custom Cycle Engineering Rear Motor Mount fits Dyna Models Custom Cycle Engineering is just what you need for your Harley. This product promotes safety with two separate aligned damper bushings that...$646.95 -
Joker Machine - Black Points Cover - fits '70-'99 Big Twin - Finned
Joker Machine
$72.95Joker Machine Points Cover fits '70-'99 Big Twin Finned, Black This Joker Machine finned points cover is made from durable aluminum. It includes all necessary hardware making the mounting process...$72.95 -
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 -
On Sale
Colony - Top Motor Mount Acorn Bolts and Washers - fits Harley FL and FX (see desc.)
Colony Machine
MSRP: $26.49Now: $23.99Was: $27.24Colony - Top Motor Mount Acorn Bolts and Washers - fits Harley FL and FX (see desc.) Top motor mount acorn bolts & washers. Fits: EL 1936-1940 FL 1941-1984 FX 1971-1984MSRP: $26.49Now: $23.99Was: $27.24 -
Colony - Rocker Shaft End Plugs - fits Harley FL, FX, XL (see desc.)
Colony Machine
$39.99The chrome rocker arm shaft end plug makes installation and removal a much easier job than with the original slotted part. Includes 4 plugs per set. Fits: FL 1971-1984 FX 1971-1984 FLT...$39.99 -
Colony - Fitting Oil Line (OEM #63553-41)
Colony Machine
$4.95Colony - Fitting Oil Line (OEM #63553-41) Features: For use with 3/8" hose Thread is 1/8" NPT$4.95 -
Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models (22 Pieces)
Feuling
$99.95Feuling - Lifter Block, Cam Cover & Oil Filter Adapter Dress Up Fastener Sensor Kit fits '99-'17 Twin Cam Models This kit features precision-rolled threads for the utmost engagement in order to stop...$99.95 -
Feuling - Primary Bolt Fastener Kit fits '91-'03 Sportster Models
Feuling
$119.95Feuling - Primary Bolt Fastener Kit fits '91-'03 Sportster Models This is a complete external fastener kit specifically designed for certain Harley-Davidson Sportster models. NOTE: Primary cover,...$119.95 -
S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models
S&S Cycle
$334.95S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models The S&S Cycle Quickee Pushrod Kit with Gloss Black Covers is the perfect upgrade for '17-Up M8 Models. The kit includes...$334.95 -
S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06
S&S Cycle
$81.95S&S Cycle - Tappet Cuffs fits '06-'21 XL Models (Exc. '21 Sportster S/RH1250S) Repl. OEM #18505-06 With these cuffs, you can capture the tappets and not worry about affecting vertical motion to keep...$81.95 -
Slyfox - Gloss Cabon Fiber Timing Cover fits '17-'21 M8 Softail Models
Slyfox
$64.95Slyfox - Gloss Cabon Fiber Timing Cover fits '17-'21 M8 Softail Models This Slyfox timing cover is a replacement for the stock timing cover and comes in a sleek gloss carbon finish...$64.95 -
Trask - Assualt Series Cam Covers fits '17-Up Harley M8 Models
Trask Performance
$429.95Trask - Assualt Series Cam Covers fits '17-Up Harley M8 Models Transparent for viewing internal engine components Matches Assault series of air cleaners Made in the U.S.A. Fitment$429.95 -
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 -
On Sale
Colony - Acorn Headbolt Covers - Chrome fits Harley FL and FX (see desc.)
Colony Machine
Now: $23.99Was: $29.79Chrome acorn type headbolt covers Fits: FXST 1986-1998 FLST 1986-1998 FLT 1986-1998 FXR 1986-1994 FXD 1991-1998Now: $23.99Was: $29.79 -
V-Twin - 1200cc Cylinder and Piston Conversion Kit fits '04-Up XL - Black
V-Twin Mfg
$713.811200cc XL Conversion cylinder and piston set includes 2 black finished with milled edge fin cylinders with fitted Wiseco moly 9.5:1 reverse dome piston ring set. Order head base gasket separately...$713.81 -
V-Twin - 883-1200cc Cylinder and Piston Conversion Kit fits '86-'03 XL - Silver
V-Twin Mfg
$713.81V-Twin's 1200cc XL conversion cylinder and piston set includes 2 silver finished with milled edge fin cylinders. Cylinders have fitted Wiseco moly 9.5:1 reverse dome piston and ring set. Order...$713.81 -
Colony - 8401-8 Rocker Shaft Cadmium End Cap Type Nuts with Washers fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models
Colony Machine
MSRP: $21.52$20.12Colony - 8401-8 Rocker Shaft Cadmium End Cap Type Nuts with Washers fits '79-'83 FLT, '71-'84 FX, '82-'83 FXR Models Rocker arm shaft end nut kit contains 4 cap nuts and washers with cadmium...MSRP: $21.52$20.12 -
Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80)
Drag Specialties
$10.45 - $12.55Drag Specialties - Oil Filter fits 'L82-'84 FLH, 'L82-'86 FX/FXWG, '80-'E84 Sportster Models (OEM #63782-80A, 63810-80) Features: High-quality spin-on filters are a dependable...$10.45 - $12.55 -
V-Twin - 74" Shovelhead Cylinder and Piston Kit fits '66-'78 FL, '71-'78 FX Model
$637.41V-Twin - 74" Shovelhead Cylinder and Piston Kit fits '66-'78 FL, '71-'78 FX Model 74" Shovelhead cylinder and piston kit, honed and pre fitted with 8.5:1 compression cast pistons and Hasting...$637.41 -
V-Twin - Black Nose Cone Gear Cover fits '93-'99 Big Twin Models
V-Twin Mfg
$188.22V-Twin - Black Nose Cone Gear Cover fits '93-'99 Big Twin Models V-Twin's Nose Cone Gear Cover is designed to fit Big Twin Models. The bushings are installed and a seal is included. Fitment FXD...$188.22 -
Drag Specialties - Cam Cover fits '93-'99 Evolution Big Twin Models
Drag Specialties
$254.35 - $288.32Drag Specialties - Cam Cover fits '93-'99 Evolution Big Twin Models The bushings on this cam cover are installed, pinned and reamed to OEM specifications. Available in your choice of a satin black...$254.35 - $288.32 -
Joker Machine - Points Cover fits '99-'17 Twin Cam Models - Anodized Black
Joker Machine
$65.95 - $72.95Joker Machine - Points Cover fits '99-'17 Twin Cam Models - Anodized Black This cover is available in your choice of a finned or smooth finish. Features Include mounting screws Made in the U.S...$65.95 - $72.95 -
10% OFF
Arlen Ness - 10-Gauge Points Cover fits '17-'22 M8 Softail Models (Choose Color
Arlen Ness
$53.96 - $62.96Arlen Ness - 10-Gauge Points Cover fits '17-'22 M8 Softail Models These covers are machined from 6061-T6 billet aluminum and are available in seven different colors: Chrome, Black Anodized, Blue...$53.96 - $62.96 -
Drag Specialties - Oil Pump Assembly Fits '91-'22 XL Models (Exc. '21-'22 Sportster S/RH 1250S, '22 Nightster/RH975 Models)
Drag Specialties
$312.65Drag Specialties - Oil Pump Assembly Fits '91-'22 XL Models (Exc. '21-'22 Sportster S/RH 1250S, '22 Nightster/RH975 Models) This is a high-quality replacement cast aluminum pump body with steel...$312.65 -
Feuling - Outer Camshaft Bearing Kit Fits '99-'06 Big Twin Models (Exc. '06 Dyna Models) W/ Chain Drive
Feuling
$50.95 - $69.95Feuling - Outer Camshaft Bearing Kit Fits '99-'06 Big Twin Models (Exc. '06 Dyna Models) W/ Chain Drive Features Kit includes one ball bearing front cam bearing and one roller bearing rear cam...$50.95 - $69.95 -
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...$130.15 -
S&S Cycle - Stock Bore 80" Cylinder and Standard Compression Piston Kit fits '78-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - Stock Bore 80" Cylinder and Standard Compression Piston Kit fits '78-'84 Shovelhead Engines This Kit is built to replace the cylinders and pistons of an 80" Shovelhead engine whilst...MSRP: $1,999.95$1,995.95 -
Dynojet - Radiator Guard fits '21-Up Pan America Model
Dynojet
$182.21Dynojet - Radiator Guard fits '21-Up Pan America Model Features: Comes with mounting brackets and hardware Made in the U.S.A. Easy install$182.21 -
S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models
S&S Cycle
$39.95S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models Features: Master rebuild kit for S&S oil pump. Made in the U.S$39.95 -
Slyfox - Carbon Timing Cover fits '17-Up M8 Models
Slyfox
$64.95Slyfox - Carbon Timing Cover fits '17-Up M8 Models Fitment 2021 Harley-Davidson Street Glide EFI FLHX 2021 Harley-Davidson$64.95 -
Drag Specialties - Cam Cover fits M8 Softail Models
Drag Specialties
$153.65Drag Specialties - Cam Cover fits M8 Softail Models The Drag Specialties Cam Cover for M8 Softail models accept OEM gasket and mounting hardware. Available in Black or Chrome Fitment$153.65 -
S&S Cycle - 110" Power Package fits '07-'17 Twin Cam Engines
S&S Cycle
$3,396.95S&S Cycle - 110" Power Package fits '07-'17 Twin Cam Engines S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases displacement to 110"...$3,396.95 -
Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Factory Retainers Fits Harley '17-Up M8 Model
$419.95Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Factory Retainers Fits Harley '17-Up M8 Model Features Made from premium stress-relieved conical ovate wire Feature...$419.95 -
Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models
$279.95Feuling - 12-Point Primary/Transmission Engine Fastener Kit fits '00-'06 Touring Models The 12-Point Primary/Transmission Engine Fastener Kit allows you to secure your engine with complete...$279.95 -
Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models
Custom Cycle Engineering
$475.95Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models Custom Cycle Engineering's EVO Finned Rocker Covers have undersides that have been machined for greater...$475.95 -
Feuling M Eight Engine Stand
$169.95Feuling M Eight Engine Stand Stand for Milwaukee Eight engines. For the following models: Fitment YearMakeModel$169.95 -
Out of stock
S&S Cycle - Big Bore Kit for M8 Harley Softail & Touring '17-Up
S&S Cycle
$929.95S&S Big Bore Kit for M8 Harley Softail & Touring '17-Up This S&S Big Bore Kit is for Milwaukee-Eight Harley Softail and Touring models 2017 and up, including Softail Heritage Classic and Breakout...$929.95 -
Drag Specialties - Chrome Rocker Box Kit - Fits '04-'06 XL Sportster Models
Drag Specialties
$331.73Drag Specialties Chrome Rocker Box Kit Fits '04-'06 XL Sportster Models Features: Quality construction with exact dimensions ensures a perfect, leakproof fit Available in chrome or with a satin...$331.73 -
Drag Specialties - Rear Isolator Mount Kit - Fits '14-'18 Harley XL Sportster Models
Drag Specialties
$213.01Drag Specialties Front Isolator Mount Kits Fits '14-'18 Harley Davidson XL Sportster Models Features: Kit includes all parts needed to replace rear isolator mounts Rear kits PART #0933-0119 include...$213.01
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.