Engine
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Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models
Colony Machine
$35.95Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models Features: For use on specific applications Made in the U.S.A. Fitment$35.95
Colony - 8224-8 Rocker Shaft End Plug fits '71-'84 Shovelhead & '71-'85 Sportster Models (OEM #17448-71A, 7875)
Colony Machine
$47.95Colony - 8224-8 Rocker Shaft End Plug fits '71-'84 Shovelhead & '71-'85 Sportster Models (OEM #17448-71A, 7875) Features: Complete sets stock-style replacement rocker shaft end plugs, nuts, and...$47.95
Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338)
Drag Specialties
$45.53 - $59.31Drag Specialties - Front Brake Master Cylinder Cover (OEM #41700237, 41700338) Features: Includes rubber cover gasket Fitment:$45.53 - $59.31
Drag Specialties - Harley Touring Clutch Master Cylinder Cover (OEM #367001-30, OEM #367000-94) - Black
Drag Specialties
$65.67Drag Specialties - Harley Touring Clutch Master Cylinder Cover (OEM #367001-30, OEM #367000-94) - Black Features: Constructed from 6061 aluminum Includes gasket and mounting screws$65.67
V-Twin - Chrome Top Engine Mount Stabilizer fits '05-'17 Dyna Models
V-Twin Mfg
$174.58V-Twin - Chrome Top Engine Mount Stabilizer fits '05-'17 Dyna Models V-Twin's Chrome Finish Top Motor Mount Stabilizer Kit comes with adjustable stabilizer links and all necessary hardware to ensure...$174.58
S&S Cycle - Oil Change Kit W/ Oil Filter fits Harley M8 Models
S&S Cycle
$138.95 - $162.95S&S Cycle - Oil Change Kit W/ Oil Filter fits Harley M8 Models S&S Cycle's Oil Change Kit delivers regular viscosity and resists thermal breakdown and oxidation at elevated temperatures. It provides...$138.95 - $162.95On Sale
Arlen Ness - 10-Gauge Cam Cover fits '17-'22 M8 Models
Arlen Ness
MSRP: $329.95Now: $296.96Was: $329.95Arlen Ness - 10-Gauge Cam Cover fits '17-'22 M8 Models This gauge cover is available in your choice of a chrome, black anodized w/ machined accents, titanium anodized or black anodized finish...MSRP: $329.95Now: $296.96Was: $329.95
Joker Machine - Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Chrome
Joker Machine
$78.95Joker Machine - Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Chrome This point cover comes in a chrome-plated...$78.95On Sale
Arlen Ness - 10-Gauge Points Cover fits '99-'17 Twin Cam Models (Choose Color)
Arlen Ness
MSRP: $59.95 - $69.95$53.96 - $62.96Arlen Ness - 10-Gauge Points Cover fits '99-'17 Twin Cam Models These covers are machined from 6061-T6 billet aluminum and are available in seven different colors: Chrome, Black Anodized, Blue...MSRP: $59.95 - $69.95$53.96 - $62.96
Custom Cycle Engineering - Front Motor Mount fits '06-'17 Dyna Models
Custom Cycle Engineering
$543.95Custom Cycle Engineering - Front Motor Mount fits '06-'17 Dyna Models This mount uses an adjustable stabilizing link, which attaches to the frame. Features Motor mount system replaces the...$543.95
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
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...$91.95
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '91-'03 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '91-'03 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and...$91.95
S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder...$1,287.95
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
S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,594.95$1,540.95S&S Cycle - Silver 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into...MSRP: $1,594.95$1,540.95
S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '66-'78 Style Cylinder Head Kit for Stock Bore Cylinders W/ O-Ring Intake Complete kits also include rocker cover gaskets, head gaskets and miscellaneous hardware with...$1,723.95
S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake
S&S Cycle
$1,723.95S&S Cycle - Super Stock™ '79-'84 Style Cylinder Head Kit for Stock Bore Cylinders W/ Rubber Band Intake This Cylinder Head Kit uses a band-style intake (not included). Sold in pairs, built with...$1,723.95
S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam
S&S Cycle
$836.95S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam Features: Precision CNC machined forged aluminum Increased stru$836.95
S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled
S&S Cycle
MSRP: $615.95$495.95S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled S&S Cycle's Oil Pump for '17-'23 M8 Oil-Cooled Touring Models delivers a 20% flow increase on the supply side and a 52% flow increase on scavenge...MSRP: $615.95$495.95
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural
S&S Cycle
$1,468.95S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Natural Great news: S&S heads are now available to be used with stock-style flat-top pistons!...$1,468.95
Old-STF Cycle - Stainless/Black Rocker Box Split Oil Line fits '66-'84 Shovelhead
Old-STF Cycle
$99.95Old-STF Cycle - Stainless/Black Rocker Box Split Oil Line fits '66-'84 Shovelhead The Old-STF Cycle Stainless/Black Rocker Box Split Oil Line is a high-quality kit that is designed to fit S$99.95
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
Performance Machine - Vision Cam Covers - fits '17-Up M8 Models
Performance Machine
$519.95 - $571.95Performance Machine - Vision Cam Covers - fits '17-Up M8 Softail Models The Vision Cam Covers from Performance Machine feature a special polycarbonate lens for a glimpse inside the machine!...$519.95 - $571.95
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
Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411
Drag Specialties
$109.13Drag Specialties - Chrome Tappet Block Cover fits '17 & Up Harley M8 Model Repl. OEM #25700410/25700411 Features Made from die-cast aluminum Includes gaskets and screws$109.13On Sale
Arlen Ness - 10-Gauge Pushrod Tube Kits for '99-'17 Twin Cam Engines
Arlen Ness
MSRP: $229.95Now: $206.96Was: $229.95Arlen Ness - 10-Gauge Pushrod Tube Kits for '99-'17 Twin Cam Engines The Arlen Ness 10-Gauge Pushrod Tube Kits are built from 6061-T6 billet aluminum and are sold in a set of four. Available in your...MSRP: $229.95Now: $206.96Was: $229.95On Sale
Arlen Ness - 10-Gauge Pushrod Tube Kits for '17-'25 M8 Softail Engines
Arlen Ness
MSRP: $114.98 - $229.95$103.48 - $206.96Arlen Ness - 10-Gauge Pushrod Tube Kits for '17-'25 M8 Softail Engines The Arlen Ness 10-Gauge Pushrod Tube Kits are built from 6061-T6 billet aluminum and are sold in a set of four. Available in...MSRP: $114.98 - $229.95$103.48 - $206.96
Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,939.95Feuling - 574 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with...$1,939.95
Feuling - 543 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,939.95Feuling - 543 HP+® Chain Drive Conversion Camchest Kits for '99-'06 Twin Cam (Except '06 Dyna Glide) NOTE: Conversion camshafts for '99-'06 Twin Cam engines use the '99-'06 inner cam journals with...$1,939.95
Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,839.95Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide) Features Feuling® complete camchest kits include all necessary components from top to...$1,839.95
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
$1,924.95S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removable...$1,924.95
Feuling - Race Series® 465 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$1,979.95Feuling - Race Series® 465 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree...$1,979.95
Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models
$149.95Feuling - 12-Point External Primary Engine Bolt Fastener Kit fits '04-'20 Sportster Models The 12-Point External Primary Engine Bolt Fastener Kit allows you to secure your engine with complete...$149.95
Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models
Colony Machine
$28.95Colony Machine - Motor Mount Bolt Covers fits '00-'17 Softail Models The Colony Machine Motor Mount Bolt Covers have a smooth finish and are 100% manufactured in the U.S.A. Colony Machine is one of...$28.95
Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight
Roland Sands Design
$571.95Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight Features: Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast...$571.95
S&S Pushrod Tube Keepers - fits '17-'19 M-Eight
S&S Cycle
$40.95S&S Pushrod Tube Keepers - fits '17-'19 M-Eight Features: For use in custom applications where stock keepers won't fit. Chromed steel finish Sold in kits of four assemblies; enough for one...$40.95
S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine
S&S Cycle
$458.95 - $465.95S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine This replacement camshaft kit includes all required bearings, o-rings, gasket, and hardware. Features: 350 CAMS No Tuning...$458.95 - $465.95
Drag Specialties - Rocker Box Kit - Fits '99-'17 Twin Cam Models
Drag Specialties
$326.43Drag Specialties Rocker Box Kit Fits '99-'17 Twin Cam Models With the Drag Rock Box Kit you will get a perfect, leakproof fit! Available in Chrome. Sold Each. Features: Quality construction with...$326.43
Feuling - Dress Up Fastener Kit - fits '18 Softail
$199.95Feuling Dress Up Fastener Kit for 2018 Harley Softail This Chassis Dress-up Kit includes rear fender bracket, battery box side cover, shifter linkage, shifter arm w/nut and washer, and rear brake...$199.95
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.