Engine
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Out of stock
Jagg - Deluxe Diamond Cut Oil Cooler System
Jagg Oil Coolers
$550.99Jagg - Deluxe Diamond Cut Oil Cooler System This special edition oil cooler kit is as spectacular and durable as the gem it is named after. It is the perfect solution for Harleys with perimeter, vertical frame tubes. This cooler mounts to the left frame...$550.99 -
Out of stock
Jagg - Low Mount 10-Row Horizontal Oil Cooler fits '09-'16 Touring Models
Jagg Oil Coolers
$449.95 - $574.95Jagg - Low Mount 10-Row Horizontal Oil Cooler fits '09-'16 Touring Models Jagg's 10-Row Low Mount Oil Cooler System was designed to help Twin Cam engines deliver optimum heat exchange and flow characteristics through the use of HyperFlow Technology...$449.95 - $574.95 -
Out of stock
Jagg - Low Mount 10-Row Horizontal Oil Cooler fits '84-'08 Touring Models
Jagg Oil Coolers
$449.95 - $574.95Jagg - Low Mount 10-Row Horizontal Oil Cooler fits '84-'08 Touring Models Jagg's 10-Row Low Mount Oil Cooler System was designed to help Twin Cam engines deliver optimum heat exchange and flow characteristics through the use of HyperFlow Technology...$449.95 - $574.95 -
Out of stock
Jagg - Black Low Mount 6-Row Horizontal Oil Cooler fits '00-'17 Softail Models (Exc. ABS Models)
Jagg Oil Coolers
$399.95Jagg - Black Low Mount 6-Row Horizontal Oil Cooler fits '00-'17 Softail Models (Exc. ABS Models) Jagg's 6-Row Low Mount Oil Cooler Kit was designed exclusively for Twin Cam Harley-Davidson Softail Motorcycles. Its two-pass design provides greater cooling...$399.95 -
Out of stock
Feuling - Race Series® 592 Chain Drive Camchest Kit fits '17-Up M8 Softail
Feuling
$699.95Feuling - Race Series® 592 Chain Drive Camchest Kit fits '17-Up M8 Softail NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See "Also Bought" section)...$699.95 -
Out of stock
Feuling - Race Series® 508 Chain Drive Camchest Kit fits '17-Up M8 Softail
Feuling
$699.95Feuling - Race Series® 508 Chain Drive Camchest Kit fits '17-Up M8 Softail NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See "Also Bought" section)...$699.95 -
Out of stock
Feuling - OE+ 574 Hydraulic Cam Chain Conversion Camchest Kit for '99-'06 Twin Cam (Except '06 Dyna Glide)
Feuling
$1,719.95Feuling - OE+ 574 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 -
Out of stock
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 -
Out of stock
Colony Machine - Engine Bolt Kits fits '17-'21 Touring Models
Colony Machine
$243.95Colony Machine - Engine Bolt Kits fits '17-'20 Touring Models The Colony Machine Engine Bolt Kit is a fully equipped, chrome plated kit that is 100% manufactured in the U.S.A. Colony Machine is a choice brand among custom motorcycle builders,...$243.95 -
Out of stockOn Sale
S&S Pushrod Tube Keepers - fits '17-'19 M-Eight
S&S Cycle
MSRP: $40.95Now: $36.86Was: $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...MSRP: $40.95Now: $36.86Was: $40.95 -
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 stockOn Sale
Feuling - Cylinder Stud and Head Bolt Kit - fits '99-'16 Twin Cam
Feuling
MSRP: $434.95Now: $349.99Was: $434.95The Feuling Cylinder Stud and Head Bolt Kit: The strongest studs and bolts available Top engine builders demand quality fasteners. Secure your engine with complete confidence Superior in strength and performance to any other cylinder stud head bolt kit...MSRP: $434.95Now: $349.99Was: $434.95 -
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
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 -
Out of stock
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 -
Out of stock
Feuling - Pushrods - fits '99-'15 Twin Cam
Feuling
$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 Manufacturing
$712.101200cc 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...$712.10 -
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 stockOn Sale
S&S Cycle - Silver Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
MSRP: $1,995.95Now: $1,796.36Was: $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...MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Qty in Cart: 0Quantity:Price:MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Subtotal: -
Feuling Parts - 3083 - Vented Dipstick Rebuild Kit
FEULING PARTS
$69.95Feuling Parts - 3083 - Vented Dipstick Rebuild Kit Features Includes replacement K&N filter element, rubber umbrella flapper valve, filter element, set screw, 545™ Loctite and zip ties Made in the USA Specs Base...$69.95
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.