Engine
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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 -
Drag Specialties - Replacement Gerotor Scavenge for Twin Cam 88” & 96” Applications
Drag Specialties
$88.99Drag Specialties - Replacement Gerotor Scavenge for Twin Cam 88” & 96” Applications Fitment 2016-2017 Harley-Davidson Low Rider S FXDLS 2015-2016 Harley-Davidson Road Glide Special...$88.99 -
Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver
Feuling
$129.95Feuling - Panhead/Shovelhead Stainless Steel Head Bolt Kit - Silver This kit features precision rolled threads for the best engagement possible. This will prevent galling and instead promote better, regular torque loading. Features Tensile...$129.95 -
Feuling - Ironhead Stainless Steel Head Bolt Kit fits '57-'73 Sportster Models - Silver
Feuling
$119.95Feuling - Ironhead Stainless Steel Head Bolt Kit fits '57-'73 Sportster Models - Silver This kit features precision rolled threads for the utmost engagement. This prevents galling and promotes more consistent torque loading. Features Tensile...$119.95 -
Feuling - Engine Case Dress Up Bolt Fastener Kit fits '17-'22 Touring Models
Feuling
$129.95Feuling - Engine Case Dress Up Bolt Fastener Kit fits '17-'22 Touring Models 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 gives...$129.95 -
Feuling - Gorilla Rocker Shaft and Bolt Kit fits '99-'01 Harley Model
Feuling
$279.95Feuling - Gorilla Rocker Shaft and Bolt Kit fits '99-'01 Harley Model This kit is recommended for all Twin Cam engines, especially for engines running higher lift camshafts and heavier valve springs. Features Gas nitrided and final surface...$279.95 -
Feuling - 12-Point External Engine Fastener Kit fits '18-'22 Softail Models
Feuling
$399.95Feuling - 12-Point External Engine Fastener Kit fits '18-'22 Softail Models This kit comes with a cam cover, lifter covers, rocker covers, case bolts, washers, center head bolts/horn/engine mount, oil line mounting bases, head mount bolts, head...$399.95 -
James Gaskets - Cam Change Gasket Kit fits '17-'21 M8 Softail Models
James Gaskets
$48.95James Gaskets - Cam Change Gasket Kit fits '17-'21 M8 Softail Models This kit comes with all of the required gaskets, seals, O-rings and cork washers for doing a cam change. Fitment 2020, 2022 Harley-Davidson CVO Tri Glide...$48.95 -
James Gaskets - James Rubber Rocker Box Gasket fits '86-'90 XL 883 Models
James Gaskets
$68.95James Gaskets - James Rubber Rocker Box Gasket fits '86-'90 XL 883 Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...$68.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '04-'06 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '04-'06 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...$91.95 -
James Gaskets - James Rocker Box Cover Gasket and Seal Kit fits '17-'21 M8 Softail Models
James Gaskets
$64.95James Gaskets - James Rocker Box Cover Gasket and Seal Kit fits '17-'21 M8 Softail Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A. Fitment 2020,...$64.95 -
James Gaskets - Standard Bore Metal Base Gaskets fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$44.95James Gaskets - Standard Bore Metal Base Gaskets fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) These genuine James Gaskets base gaskets have a steel base with silicone beading on both sides. NOTE: U.S. Patent #5,615,898 and #363,979...$44.95 -
Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models
Alloy Art
$411.95Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models This Cam Cover has a low-profile design, which brings in greater diameter headers even closer for more ground clearance. Features Large breather fitting option allows for greater...$411.95 -
Kodlin - Black Rear Engine Guards fits '18-'23 M8 Softail Models
Kodlin
$299.99Kodlin - Black Rear Engine Guards fits '18-'23 M8 Softail Models These black rear engine guards are built from steel and come with an oil cover and black crash pads. NOTE: Does not fit with stock exhaust. Spacing and fitment varies depending on...$299.99 -
S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models This Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin comes with S&S high-strength connecting rods that are ideal for...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Silver 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 - Silver 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 heads. It comes complete with cylinders, pistons,...$1,287.95 -
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 -
S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
MSRP: $1,058.95$924.95S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly under the normal size and are not honed. NOTE:...MSRP: $1,058.95$924.95 -
S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine with an existing S&S® stock bore stroker kit...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Wrinkle Black 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads
S&S Cycle
$1,231.95S&S Cycle - Wrinkle Black 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads S&S Cycle's 80" Bore Cylinder & Piston Kits feature S&S 3½" bore cylinders and forged pistons, rings,...$1,231.95 -
S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,550.95$1,540.95S&S Cycle - Wrinkle Black 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 a street-ready and reliable machine...MSRP: $1,550.95$1,540.95 -
S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,540.95S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into a street-ready and reliable machine which will...$1,540.95 -
S&S Cycle - Black 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
MSRP: $1,599.95$1,499.95S&S Cycle - Black 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 increase! It is...MSRP: $1,599.95$1,499.95 -
S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring a 3½" bore with a cast-iron liner. Its finish...$840.95 -
S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models This conversion kit installs in no time at all since the pistons are already fit to the cylinders, making them prepared for assembly as soon as you open them! The kits are...$1,128.95 -
S&S Cycle - Retro Top-End Conversion Kit for 3.625" Bore Cylinders fits '66-'84 Shovelhead Engines
S&S Cycle
$4,499.95S&S Cycle - Retro Top-End Conversion Kit for 3.625" 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...$4,499.95 -
S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders
S&S Cycle
MSRP: $1,899.95$1,895.95S&S Cycle - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also include...MSRP: $1,899.95$1,895.95 -
S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit
S&S Cycle
$409.95S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit Features: Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger assembly is hand-fit and pressure-tested to...$409.95 -
S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,795.95S&S Cycle - Wrinkle Black Powdercoat 91cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 91cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...$1,795.95 -
S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models
S&S Cycle
$2,149.95S&S Cycle - Silver Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation, and even greater...$2,149.95 -
S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,995.95S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial...$1,995.95 -
S&S Cycle - Wrinkle Black Powdercoat 89cc Super Stock™ Cylinder Heads fits '06-'17 Twin Cam Models (Exc. Twin Cooled Motors)
S&S Cycle
$1,995.95S&S Cycle - Wrinkle Black 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 -
S&S Cycle - Super Stock™ Single Spark Plug Cylinder Heads - fits '79-'84 (Rubber Band Intake) 3 ⅜" Bore Cylinders
S&S Cycle
$1,895.95S&S Cycle - Super Stock™ Single 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...$1,895.95 -
S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift)
S&S Cycle
$1,795.95S&S Cycle - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads fits '99-'05 Twin Cam Models (.585" Lift) S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow creates excellent performance after initial installation,...$1,795.95 -
S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat
S&S Cycle
$1,553.95S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat Great news: S&S heads are now available to be used with stock-style flat-top pistons! The kits are fully assembled and come...$1,553.95 -
Hofmann Designs - H/D Billet Timer Cover - Raw fits M8 Model
Hofmann Designs
$65.95Hofmann Designs - H/D Billet Timer Cover - Raw 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 -
S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models
S&S Cycle
$122.95S&S Cycle - Rocker Arm Stud Kit fits '17-'21 M8 Models This rocker arm stud kit lengthens the life of your cylinder heads AND helps prevent damage to the rocker arm towers! You can re-torque the rocker arm nuts after installation. The kit...$122.95 -
S&S Cycle - 124" Hot Setup Kits
S&S Cycle
$7,104.95S&S Cycle - 124" Hot Setup Kits Are you a Twin Cam owner? Would you like to convert your stock engine to 124"? Then the S&S Hot Setup kit for Twin Cams is for you! The kit comes to you in a black powder-coat finish and features 4,125" bore...$7,104.95 -
S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas)
S&S Cycle
$3,396.95S&S Cycle - 100" Power Packages fits '99-'06 Twin Cam Engines (Exc. '06 Dynas) S&S Cycle has created the largest big-bore kits available today, without doing crankcase mods! This kit increases displacement to 100" ('99-'06) and the cylinders fit...$3,396.95 -
S&S Cycle - 540 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'20 Twin-Cooled™ M8 Touring Models
S&S Cycle
MSRP: $1,846.95$1,721.95S&S Cycle - 540 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 are...MSRP: $1,846.95$1,721.95
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.