Engine
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Feuling - 574 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam
Feuling
$1,595.95Feuling - 574 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For all '07-'17 Twin Cam and '06 Dyna Glide, or (2) For all '99-'06 Twin Cam (Except '06 Dyna Glide). Please double-check...$1,595.95 -
Feuling - 525 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam
Feuling
$1,595.95Feuling - 525 HP+® Gear Drive Camchest Kits for '99-'17 Twin Cam This camchest kit is available in two different fitments: (1) For all '07-'17 Twin Cam and '06 Dyna Glide, or (2) For all '99-'06 Twin Cam (Except '06 Dyna Glide). Please double-check...$1,595.95 -
Feuling - OE+ 543 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,719.95Feuling - 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 bottom of the camchest conveniently packaged under...$1,719.95 -
On Sale
S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
MSRP: $1,779.95Now: $1,634.36Was: $1,815.95S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate are...MSRP: $1,779.95Now: $1,634.36Was: $1,815.95 -
On Sale
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
MSRP: $1,779.95Now: $1,634.36Was: $1,815.95S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features Oil Pump/Cam Plate: Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removable for servicing Independent...MSRP: $1,779.95Now: $1,634.36Was: $1,815.95 -
On Sale
S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
MSRP: $1,739.95Now: $1,597.46Was: $1,774.95S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Oil-Cooled M8 Models Features Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive Reverses...MSRP: $1,739.95Now: $1,597.46Was: $1,774.95 -
On Sale
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
MSRP: $1,779.95Now: $1,634.36Was: $1,815.95S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'20 Twin-Cooled M8 Models Features Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removable for servicing Independent Scavenge Sections for...MSRP: $1,779.95Now: $1,634.36Was: $1,815.95 -
On Sale
S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
MSRP: $1,739.95Now: $1,597.46Was: $1,774.95S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled M8 Models Features Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive Reverses...MSRP: $1,739.95Now: $1,597.46Was: $1,774.95 -
On Sale
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
MSRP: $1,739.95Now: $1,597.46Was: $1,774.95S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled M8 Models Features Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removable for servicing Independent Scavenge Sections for...MSRP: $1,739.95Now: $1,597.46Was: $1,774.95 -
Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
Feuling
$1,895.95Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Please note this kit requires high lift valve springs PART #'s 0926-2973 or 0926-2974 (See "Also Bought" Tab). Features Quieter and smoother engine...$1,895.95 -
Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,995.95Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift/high load valve springs PART #'s 0926-3138 (See "Also Bought" Tab). Features Kit includes Race Series oiling system: billet 7075 oil...$1,995.95 -
Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,895.95Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift valve springs PART #'s 0926-2973 or 0926-2974 (See "Also Bought" Tab). Features Quieter and smoother engine operation Increase oil...$1,895.95 -
Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model
Feuling
$599.95Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened...$599.95 -
Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model
Feuling
$599.95Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use a much smaller...$599.95 -
Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,995.95Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift valve springs on stock cylinder heads PART #'s 0926-2973 or 0926-2974 (See "Also Bought" Tab). Features Quieter and smoother engine...$1,995.95 -
Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
Feuling
$1,695.95Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...$1,695.95 -
Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
Feuling
$1,695.95Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...$1,695.95 -
Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,695.95Feuling - 465 HP+ 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 cooler engine temperatures 15-30 degree cooler oil...$1,695.95 -
Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,695.95Feuling - 405 HP+ 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 cooler engine temperatures 15-30 degree cooler oil...$1,695.95 -
Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models (Choose Finish)
Rough Crafts
$329.95Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models These Grooved Cam Covers come complete with all of the necessary mounting hardware for a quick and easy installation. Available in your choice of a black or chrome finish...$329.95 -
Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models (Choose Finish)
Rough Crafts
$699.95Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models These Grooved Rocker Box Covers come complete with all of the necessary mounting hardware for a quick and easy installation. Available in your choice of a black or chrome finish...$699.95 -
On Sale
S&S Cycle - Roller Rocker Arms fits M8 Softail Models
S&S Cycle
MSRP: $599.95Now: $550.76Was: $611.95S&S Cycle - Roller Rocker Arms fits M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other...MSRP: $599.95Now: $550.76Was: $611.95 -
On Sale
S&S Cycle - 128" Power Packages fits '17-'21 M8 Water/Oil-Cooled Engines
S&S Cycle
$3,085.16 - $3,114.86S&S Cycle - 128" Power Packages fits '17-'20 M8 Water/Oil-Cooled Engines This Power Package increases your 114"/117" with a 4-1/2" stroke M8 to 128". It is available in a wrinkle black or black granite finish and your choice of cylinders with or...$3,085.16 - $3,114.86 -
Performance Machine - Rocker Box Covers fits '17-'21 M-Eight
Performance Machine
$1,026.95Performance Machine - Rocker Box Covers fits '17-'20 M-Eight These Rocker Box Covers were created to be designed the way that best fits your bike's style. They are available in chrome, contrast cut or platinum cut finishes. Features Direct...$1,026.95 -
Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)
Roland Sands Design
MSRP: $519.95$494.95Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL) Features Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast Cut™...MSRP: $519.95$494.95 -
Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up
Feuling
$299.95Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up Description: Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel mileage Smooth camshaft lobe ramps are easier on valvetrain...$299.95 -
Drag Specialties Muffler Support for Harley Sportster '80 to Early '84
Drag Specialties
$101.99Drag Specialties Muffler Support for Harley Sportster '80 to Early '84 Drag Specialties Muffler Support for Harley Sportster '80 to Early '84 replaces Harley-Davidson OEM part number 65599-80A. 1" OD steel tubing Made in the U.S.A. Fitment: ...$101.99 -
Paughco - Rear Heat Shield for Drag Pipes DBC-2620
Paughco
$155.95Paughco Rear Heat Shield for Drag Pipes (DBC-2620) This heat shield is made for use with the Paughco Drag Pipes Fits Harley 70-84 FX Models w/ Swingarm Frame (DBC-2620).$155.95 -
Paughco - Rear Heat Shield for FL Drag Pipes
Paughco
$155.95Paughco Rear Heat Shield This heat shield is made for use with the Paughco 1-3/4" Drag Pipes for FL Models (DBC-2619)$155.95 -
Paughco - Rear Heat Shield for FX Models
Paughco
$155.95Paughco Front Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$155.95 -
Paughco - Rear Heat Shield
Paughco
$155.95Paughco Rear Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.$155.95 -
Paughco - Front Heat Shield
Paughco
$155.95Paughco Front Heat Shield This heat shield is made for use with various Paughco brand exhaust systems. Fitment: YearMakeModel 1979 - 1980 Harley-Davidson 1200 Fat Bob - FXEF 1977 - 1979 Harley-Davidson 1200 Low Rider - FXS 1971 - 1978...$155.95 -
On Sale
S&S - Valve Spring Kit - Fits Harley '17-'18 M8 Models
S&S Cycle
MSRP: $359.95Now: $356.36Was: $395.95S&S Valve Spring Kit For 2017-2018 M8 Models This replacement valve spring kit by S&S includes springs, top collars, keepers, valve seal/bottom collar; for Harley-Davidson Milwaukee Eight models between 2017-2018. Features: Include springs,...MSRP: $359.95Now: $356.36Was: $395.95 -
Drag Specialties - Top Motor Mount - Fits Harley '86-'94 Sportster XL Models
Drag Specialties
$47.89Drag Specialties Top Motor Mount Top Motor Mount for your Harley Sportster by Drag Specialties. Features: High-quality, chrome motor mount Bolts not included unless noted Fitment: YearMakeModel 1986 - 1987 Harley-Davidson XLH...$47.89 -
Feuling - 12 Point Engine Fastener Kit - fits '18 Softail
Feuling
$299.95Feuling 12 Point Engine Fastener Kit for 2018 Harley Softail Models This Primary/Transmission stainless steel kit includes primary, engine-to-transmission, derby cover, transmission clutch release cover, top bearing housing cover, and transmission top...$299.95 -
Gardner-Westcott - Rocker Box Cover Sets
Gardner-Westcott
$35.95 - $53.95Gardner-Westcott Rocker Box Cover Sets: Made in the USA '66-'81, '81-'84 Shovelhead requires drilling to 3/8 diameter hole All Sets are chrome plated except for the one polished option$35.95 - $53.95 -
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 -
HardDrive - Oil Filter Housing
HardDrive
$89.95The HarDrive Oil Filter Housing: Meets OEM specifications Chrome finish Accepts all EVO style oil filters$89.95 -
Feuling - Oil Pumps - fits '99-'06 Twin Cam (exc. '06 Dyna)
Feuling
$499.99Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter tolerance under temperature More pressure volume and...$499.99
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.