Engine
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Out of stock
Feuling - 594 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide
Feuling
$1,879.95Feuling - 594 Race Series® Chain Drive Camchest Kits for All '07-'17 Twin Cam and '06 Dyna Glide Features All necessary components from top to bottom of the camchest All parts work and function together in total harmony Provide maximum...$1,879.95 -
Out of stock
S&S Cycle - 475 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
$1,924.95S&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...$1,924.95 -
Out of stock
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Gloss Black Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
$1,924.95S&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...$1,924.95 -
Out of stock
S&S Cycle - 465 Cam Gear Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Twin-Cooled M8 Models
S&S Cycle
$1,924.95S&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...$1,924.95 -
Out of stock
Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
Feuling
$1,979.95Feuling - 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...$1,979.95 -
Out of stock
Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$2,049.95Feuling - 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...$2,049.95 -
Out of stock
Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
Feuling
$1,979.95Feuling - 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...$1,979.95 -
Out of stock
Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$2,049.95Feuling - 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...$2,049.95 -
Out of stock
Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors
$1,795.95Feuling - 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...$1,795.95 -
Out of stock
Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors
$1,795.95Feuling - 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...$1,795.95 -
Out of stock
S&S Cycle - 128" Power Packages fits '17-'21 M8 Water/Oil-Cooled Engines
S&S Cycle
$3,289.95 - $3,359.95S&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...$3,289.95 - $3,359.95 -
Out of stock
Drag Specialties Muffler Support for Harley Sportster '80 to Early '84
Drag Specialties
$106.99Drag 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: ...$106.99 -
Out of stock
Paughco - Rear Heat Shield for FL Drag Pipes
Paughco
$139.95Paughco Rear Heat Shield This heat shield is made for use with the Paughco 1-3/4" Drag Pipes for FL Models (DBC-2619)$139.95 -
Out of stock
Paughco - Front Heat Shield
Paughco
$139.95Paughco 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...$139.95 -
Out of stock
HardDrive - XL 1200 Cylinder - fits Front and Rear
HardDrive
$263.95HardDrive XL 1200 Cylinder Features: Aluminum cylinders with cast iron sleeves All cylinders must be finish honed and matched to pistons Sold each$263.95 -
Out of stock
HardDrive - 74" Shovelhead Cylinder - (Front or Rear)
HardDrive
$185.95The HardDrive 74" Shovelhead Cylinder: Black powder-coated cast iron cylinders All cylinders must be finish honed and matched to pistons Sold each$185.95 -
Out of stock
EMD - XR Trackster Rocker Box Covers -Raw fits '04-'17 XL Models
EMD
$527.99The XR Trackster Rocker Box Covers Make that Evolution Sportster look like a XR750 flat track racer Manufactured in die cast aluminum with CNC milled gasket surface Mounts in place of stock rocker box cover using stock hardware and gaskets; not...$527.99 -
Out of stock
HardDrive - Oil Filter Housing
HardDrive
$89.95The HarDrive Oil Filter Housing: Meets OEM specifications Chrome finish Accepts all EVO style oil filters$89.95 -
Out of stock
Feuling - Pushrods - fits '99-'15 Twin Cam
$199.99Fueling Pushrods increases stiffness and column rigidity maximizing valve-train stability, increased engine RPM horsepower and torque output. Maintain maximum valve lift Tapered 7/16 4130 chrome moly adjustable pushrods, use a minimal adjustment...$199.99 -
Out of stock
HardDrive - Shovel Rocker Arms - Front Exh/Rear Int '66-'84 Big Twins
HardDrive
$40.95The HardDrive Shovel Rocker Arms: Fits '66-'84 Big Twin Models Rocker arms include bushings$40.95 -
Out of stock
HardDrive - Shovel Rocker Arms - Rear Exh/Front Int '66-'84 Big Twins
HardDrive
$40.95The HardDrive Shovel Rocker Arms: Fits '66-'84 Big Twin Models Rocker arms include bushings$40.95 -
Out of stock
V-Twin - 1200cc Cylinder and Piston Conversion Kit fits '04-Up XL - Silver
V-Twin Mfg
MSRP: $713.81$648.921200cc XL Conversion cylinder and piston set includes 2 silver finished with milled edge fin cylinders with fitted Wiseco moly 9.5:1 reverse dome piston ring set. Order head base gasket separately. Fits: XL 2004- Up Measurements Piston Size: 3...MSRP: $713.81$648.92 -
Out of stock
EMD - Ribster Cam Cover - Fits '91-Up XL Models
EMD
$178.95 - $195.95EMD - Ribster Cam Cover - Fits '91-Up XL Models Features Fits over OEM Cam Cover Held in place with 3 supplied Allen bolts and spacers Can be notched at upper front to make room for your OEM breather Available in Raw or Black Features cast...$178.95 - $195.95 -
Out of stock
EMD - Ribbed Rocker Covers fit '84-'99 Big Twin Evo - Black
EMD
$350.95EMD - Ribbed Rocker Covers fit '84-'99 Big Twin Evo - Black Dress up your motor and give it a custom old school look with these EMD upper rocker covers. Made from cast aluminum and then CNC machined for precise fit. Available in raw cast or black...$350.95 -
Out of stock
S&S Cycle - 475 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
$1,721.95S&S Cycle - 475 Cam Chain Drive Camchest Kit W/ Chrome 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...$1,721.95 -
Out of stock
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
$1,995.95S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 89cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation, and even greater...$1,995.95 -
Out of stock
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,995.95S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 89cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...$1,995.95
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.