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Out of stock
Colony - 8740-19 Chrome Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834)
Colony Machine
$36.95Colony - 8740-19 Chrome Oil Pump Mounting Hardware fits '36-'67 Big Twin Models (OEM #24819-36, 24820-36, 3834) Features: 1/4"-24 hard-to-find hex nuts come in a six-pack OEM style kit is a complete kit that includes studs, nuts and hex...$36.95 -
Out of stock
Drag Specialties - Rear Brake Master Cylinder Cover Kit fits '99-'04 Touring, '00-'05 Softail Models (OEM#s 45057-99, 42455-99, 45042-99,45149-99C)
Drag Specialties
$27.25Drag Specialties - Rear Brake Master Cylinder Cover Kit fits '99-'04 Touring, '00-'05 Softail Models (OEM#s 45057-99, 42455-99, 45042-99,45149-99C) Features: Includes gasket and mounting screws Fitment 2005 Harley-Davidson Softail...$27.25 -
Out of stock
S&S Cycle - 136" Big Bore Cylinder Kit fits '17 & Up M8 Engines
S&S Cycle
$1,599.95 - $1,643.95S&S Cycle - 136" Big Bore Cylinder Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is compatible with stock crankcases,...$1,599.95 - $1,643.95 -
Out of stockOn Sale
Arlen Ness - Finned Cam Cover fits '14-'21 Models W/ 111" or 116" Thunder Stroke® Engines
Arlen Ness
MSRP: $199.95Now: $179.96Was: $199.95Arlen Ness - Finned Cam Cover fits '14-'21 Models W/ 111" or 116" Thunder Stroke® Engines The Arlen Ness Finned Cam Cover has a 3D-sculpted design that matches the finned rocker box's on Indian 111" Thunderstroke engines...MSRP: $199.95Now: $179.96Was: $199.95 -
Out of stock
Roland Sands Design - Nostalgia Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '14-'21 Sportster Models (Exc. '21 Sportster S/RH 1250S Models)
Roland Sands Design
$147.95Roland Sands Design - Nostalgia Points Cover fits '70-'99 Big Twin (Exc. Twin Cam Models) & '14-'21 Sportster Models (Exc. '21 Sportster S/RH 1250S Models) This points cover is machined from billet aluminum to exacting standards. Features Custom...$147.95 -
Out of stock
Drag Specialties - Rocker Box Cover fits '66-'84 Shovelhead Models - Chrome
Drag Specialties
$1,004.83Drag Specialties - Rocker Box Cover fits '66-'84 Shovelhead Models - Chrome This cover comes to you in a nice chrome finish. Features Includes both front and rear pieces Fitment 1984 Harley-Davidson Electra Glide Special...$1,004.83 -
Out of stock
Drag Specialties - Oil Pump Assembly fits '73-'91 Big Twin Models
Drag Specialties
$294.63Drag Specialties - Oil Pump Assembly fits '73-'91 Big Twin Models This is a high-quality replacement cast aluminum pump body with steel gears and a shaft. Features Raw cast aluminum finish Gaskets and seals included; mounting hardware sold...$294.63 -
Out of stock
Drag Specialties - Oil Pump Assembly Fits '92-'00 Big Twin Models
Drag Specialties
$294.63Drag Specialties - Oil Pump Assembly Fits '92-'00 Big Twin Models This is a high-quality replacement cast aluminum pump body with steel gears and a shaft. Features Raw cast aluminum finish Gaskets and seals included; mounting hardware sold...$294.63 -
Out of stock
Feuling - Dress Up Engine Case Bolt Fastener Kit fits '00-'17 Twin Cam B Motors
Feuling
$139.95Feuling - Dress Up Engine Case Bolt Fastener Kit fits '00-'17 Twin Cam B Motors This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver better regular torque loading. The wide underhead flange design...$139.95 -
Out of stock
Feuling - ARP 12-Point Rocker Cover Fastener Bolt Kit - Evolution fits '84-'99 Big Twin Models
Feuling
$129.95Feuling - ARP 12-Point Rocker Cover Fastener Bolt Kit - Evolution fits '84-'99 Big Twin Models This kit features quality, 12-point heat-treated 8740 chrome moly steel bolts with a black oxide finish and/or Chrome depending on your selection. There are...$129.95 -
Out of stock
Feuling - Dress Up Engine Case Bolt Fastener Kit fits '18-'22 Softail Models
Feuling
$129.95Feuling - Dress Up Engine Case Bolt Fastener Kit fits '18-'22 Softail Models This kit features precision-rolled threads for the utmost engagement in order to prevent galling and deliver better consistent torque loading. The wide underhead flange design...$129.95 -
Out of stock
Custom Cycle Engineering - Top Stabilizer Link - fits '99-'03 Harley Dyna
Custom Cycle Engineering
$311.58Custom Cycle Engineering - Top Stabilizer Link - fits '99-'03 Harley Dyna Does your Dyna vibrate on the highway? The Custom Cycles Top Stabilizer is just what you need. This reduces engine vibration and aligns the power train. This top stabilizer uses...$311.58 -
Out of stock
Feuling - Chassis/Trim Bolt Fastener Kit fits '91-'03 Sportster Models
Feuling
$199.95Feuling - Chassis/Trim Bolt Fastener Kit fits '91-'03 Sportster Models This is a complete external fastener kit that's designed for certain Harley-Davidson Sportster Models (See 'Fitment' tab). NOTE: Designed for rear brake rotor, lower front caliper...$199.95 -
Out of stock
S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder heads. It comes complete with cylinders,...$1,643.95 -
Out of stock
S&S Cycle - Wrinkle Black 124" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'21 107" M8 Engines
S&S Cycle
$1,632.95S&S Cycle - Wrinkle Black 124" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the crankcases necessary! It includes all of the required...$1,632.95 -
Out of stock
S&S Cycle - Wrinke Black 128" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines
S&S Cycle
$1,561.95S&S Cycle - Wrinke Black 128" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of the crankcases necessary! It includes all of the...$1,561.95 -
Out of stock
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $948.95$929.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...MSRP: $948.95$929.95 -
Out of stock
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
$970.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...$970.95 -
Out of stock
S&S Cycle - Black Granite 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines
S&S Cycle
$1,559.95S&S Cycle - Black Granite 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of the crankcases necessary! It includes all of the...$1,559.95 -
Out of stock
S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $948.95$929.95S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...MSRP: $948.95$929.95 -
Out of stock
S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Highlighted Cylinder Fins fits '17-'21 M8 Engines
S&S Cycle
$1,643.95S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Highlighted Cylinder Fins fits '17-'21 M8 Engines S&S Cycle's Stroker Cylinder & Piston Kit is a bolt-on kit that is compatible with the stock crankcases and features...$1,643.95 -
Out of stock
S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
$1,595.95S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...$1,595.95 -
Out of stock
S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
$1,649.95S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...$1,649.95 -
Out of stock
S&S Cycle - Black 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
$1,599.95S&S Cycle - Black 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is...$1,599.95 -
Out of stock
S&S Cycle - 3.625" Bore Shovelhead Cylinder Kit fits '66-'84 Shovelhead Engines
S&S Cycle
$1,287.95S&S Cycle - 3.625" Bore Shovelhead Cylinder Kit fits '66-'84 Shovelhead Engines This Bore Shovelhead Cylinder Kit comes complete with front and rear cylinders, base nuts, headbolts, base gaskets and head gaskets. NOTE: 3.625" bore cylinders require...$1,287.95 -
Out of stock
S&S Cycle - Retro Top-End Conversion Kit for Stock Bore Cylinders fits '66-'84 Shovelhead Engines
S&S Cycle
$3,995.95S&S Cycle - Retro Top-End Conversion Kit for Stock Bore Cylinders fits '66-'84 Shovelhead Engines Your Shovelhead will achieve the ultimate blast-from-the-past appearance of a Panhead with this Retro Top-End Conversion Kit from S&S Cycle! It...$3,995.95 -
Out of stock
S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines
S&S Cycle
$887.17S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Twin Cooled Engines™ delivers a 44% flow increase on the supply...$887.17 -
Out of stock
S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
$1,886.95S&S Cycle - Super Stock™ Dual Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve...$1,886.95 -
Out of stock
Hofmann Designs - H/D Billet Timer Cover - Black fits M8 Model
Hofmann Designs
$65.95Hofmann Designs - H/D Billet Timer Cover - Black fits M8 Model Features: Machined in the USA from 6061 Aluminum Your choice of black anodized or raw Comes with stainless steel hardware Fitment Milwaukee 8 Models$65.95 -
Out of stock
Sawicki - Black Heat Shield Kit for Softail Models
Sawicki Exhaust
$150.00Sawicki - Black Heat Shield Kit for Softail Models Features Optional heat shields are sold each$150.00 -
Out of stock
S&S Cycle - 465 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models
S&S Cycle
$1,721.95S&S Cycle - 465 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models Features All parts in each kit are matched to ensure superior quality, fit, finish and performance Oil pump and cam plate...$1,721.95 -
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 stockOn Sale
Arlen Ness - 10-Gauge Lifter Block Covers fits '17-'25 M8 Softail Models (Choose Finish)
Arlen Ness
MSRP: $249.95Now: $224.96Was: $249.95Arlen Ness - 10-Gauge Lifter Block Covers fits '17-'25 M8 Softail Models (Choose Finish) These 10-gauge lifter blocks act as replacements for OEM lifter blocks and accept factory and aftermarket pushrod tubes. Available in your choice of a chrome, black...MSRP: $249.95Now: $224.96Was: $249.95 -
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 - 465 Race Series® Chain Drive Camshaft Kit for '17-Up M8 Softail Oil-Cooled Motors
Feuling
$659.95Feuling - 465 Race Series® Chain Drive Camshaft Kit for '17-Up M8 Softail Oil-Cooled Motors NOTE: Feuling highly recommends purchasing parts #0928-0091 and 2401-0994 when buying this Camchest kit in order to ensure optimum performance (See...$659.95 -
Out of stock
S&S Cycle - Chain-Drive Camchest Kits W/ 585C Standard Cams for '07-'17 Twin Cam, '06 Dyna
S&S Cycle
MSRP: $2,060.95$1,924.95S&S Cycle - Chain-Drive Camchest Kits W/ 585C Standard Cams for '07-'17 Twin Cam, '06 Dyna Features Upgrade to S&S bolt-in performance chain-drive or gear-drive camshafts Improves engine performance - higher lift and optimized cam...MSRP: $2,060.95$1,924.95
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.