Engine
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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 -
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 -
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 -
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 -
Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Models
Colony Machine
$52.70Colony - 9212-16 Cadmium Headbolt Kit fits '73-'85 Sportster Models Headbolt kit with a cadmium finish. Fitment: XL 1973-1985$52.70 -
On Sale
Colony - Acorn Headbolt Cover Kit - Chrome fits '73-'84 XL
Colony Machine
MSRP: $58.35Now: $51.99Was: $58.35Colony's acorn type headbolt cover kit has a chrome finish. Fits: XL 1973-1984MSRP: $58.35Now: $51.99Was: $58.35 -
On Sale
Colony - Tappet Block Screw Kit - Cadmium fits '57-'85 XL
Colony Machine
MSRP: $14.72Now: $12.99Was: $14.72Colony tappet block screw kit with a cadmium finish. Fits: XL 1957-1985MSRP: $14.72Now: $12.99Was: $14.72 -
Colony - Rocker Box Screw Kit - fits '77-'85 XL
Colony Machine
$40.16Colony rocker box screw kit without stud is available in chrome or cadmium finish Fits:XL 1977-1985$40.16 -
On Sale
Colony - Upper Pushrod Cover Inner fits '57-'78 XL, '41-'78 FL
Colony Machine
MSRP: $44.27Now: $39.99Was: $44.27Colony Upper Pushrod Cover (Inner). OEM No: 17935-66 Fits: EL 1936-1940 FL 1941-1978 FX 1971-1978 XL 1957-1978MSRP: $44.27Now: $39.99Was: $44.27 -
Colony - Upper Pushrod Cover Set fits '86-'90 XL Sportster
Colony Machine
$64.78Chrome upper pushrod cover set includes 2-13/16" long clips Fits: XL 1986-1990$64.78 -
Colony - Aluminum Alloy Pushrod Kit fits '57-'85 XL Sportster
Colony Machine
$57.95Colony pushrod sets are contructed of aluminum alloy with heat treated steel ends. Fits: XL 1957-1985 OEM No: 17904-57$57.95 -
On Sale
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Button Head
Colony Machine
MSRP: $27.80Now: $24.99Was: $27.80Colony Machine Rocker box screw set, Chrome Button Head style. Fits: FXST 1984-1998 FLST 1986-1998 FLT 1984-1998 FXR 1984-1994 FXD 1991-1998 XL 1986-UPMSRP: $27.80Now: $24.99Was: $27.80 -
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 -
Arlen Ness - 10-Gauge Points Cover fits '17-'22 M8 Softail Models (Choose Color
Arlen Ness
$59.95 - $69.95Arlen Ness - 10-Gauge Points Cover fits '17-'22 M8 Softail Models These covers are machined from 6061-T6 billet aluminum and are available in seven different colors: Chrome, Black Anodized, Blue Anodized, Gold Anodized, Orange Anodized, Red Anodized and...$59.95 - $69.95 -
S&S Cycle - 475 Cam Chain Drive Camchest Kit W/ Chrome Pushrod Tubes fits '17-'21 Oil-Cooled M8 Models
S&S Cycle
$1,580.95S&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...$1,580.95 -
Joker Machine - Points Cover fits '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Anodized Black
Joker Machine
$65.95Joker Machine - Points Cover fits '04-'22 Sportster Models (Exc. '21-'22 Sportster S/RH 1250S Models) - Anodized Black This cover is available in your choice of a finned or smooth finish. Features Include mounting screws Made in the U.S.A...$65.95 -
Out of stock
Thrashin Supply Harley Points Cover, Classic
Thrashin Supply
$49.95Thrashin Supply Co. Classic Points Cover The Thrashin Supply Co. Classic Points Cover is made of tough billet aluminum. Not only does this look super clean and sleek but it's durable so it'll last. Available in your choice of polished or black finish so...$49.95 -
Out of stock
Drag Specialties - XL Engine Mount Plates - Fits '86-'03 Sportster Models
Drag Specialties
$79.51Drag Specialties XL Engine Mount Plates These engine mount plates fir Harley Davidson 1986-2003 Sportster XL models, EXCEPT 883C/1200C Models. This part replaces OEM parts 16210-84A, 16212-84A. Features: Steel mount plates with a polished chrome finish...$79.51 -
Out of stock
Drag Specialties - Spherical Radius Points Cover fits '17-'21 M8 Softail Models
Drag Specialties
$25.45Drag Specialties - Spherical Radius Points Cover fits '17-'21 M8 Softail Models Available in your choice of a chrome, flat black or wrinkle black finish. Features Beautiful radiused points cover matches our brake caliper inserts and fork tube cap...$25.45 -
Out of stock
Revolution Performance - Tap-It-Right Tappet Cover Kits fits '17-'23 M8 Softail Models
Revolution Performance
$575.95Revolution Performance - Tap-It-Right Tappet Cover Kits fits '17-'23 M8 Softail Models With Revolution Performance's Tap-It-Right Tappet Cover Kits, you won't have to worry about the inside bolt on the anti-rotation device breaking off in the case. The...$575.95 -
Out of stock
Drag Specialties - Spherical Radius Points Cover fits '70-'99 Big Twin (Exc. Twin Cam) and '71-'21 Sportster Models (Exc. '21 Sportster S/RH1250S Models)
Drag Specialties
$21.37Drag Specialties - Spherical Radius Points Cover fits '70-'99 Big Twin (Exc. Twin Cam) and '71-'21 Sportster Models (Exc. '21 Sportster S/RH1250S Models) Available in your choice of a chrome, flat black or wrinkle black finish. Features Beautiful...$21.37 -
Out of stock
Drag Specialties - Gloss Black Tappet Block Cover fits '17 & Up Harley M8 Models Repl. OEM #25700890
Drag Specialties
$101.95Drag Specialties - Gloss Black Tappet Block Cover fits '17 & Up Harley M8 Models Repl. OEM #25700890 Features Made from die-cast aluminum Includes gaskets and screws Fitment 2020 Harley-Davidson Softail Low Rider S...$101.95 -
Out of stock
Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen
Colony Machine
$23.95Colony - Chrome Rocker Cover Screw Kit fits Harley XL, FL, FXD - Allen Colony Machine Rocker box screw set, Chrome Allen style. Fits: 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson FXR 3 - - 1999 Harley-Davidson FXR...$23.95 -
Out of stock
V-Twin - 883-1200cc Cylinder and Piston Conversion Kit - fits '86-'03 XL
V-Twin Manufacturing
MSRP: $518.14$513.431200cc XL cylinder and piston conversion kit includes two black finished cylinders with milled edge fin and fitted Sifton moly 9.5:1 reverse dome piston and ring set. Fits: XL 1986-2003MSRP: $518.14$513.43 -
Out of stock
Gasbox - Custom Top Motor Mounts - Fits '04-'16 Sportster Models
Gasbox
$49.95Gasbox Custom Top Motor Mounts w/ crank key mount and coil mount Designed for OEM Fuel-injected coil Made in the USA$49.95 -
Out of stock
Colony Machine - Lower Rocker Box Mounting Kit fits '86-'20 XL Models
Colony Machine
$34.95Colony Machine - Lower Rocker Box Mounting Kit fits '86-'20 XL Models The Colony Machine Lower Rocker Box Mounting Kit is 100% U.S.A manufactured of the highest quality materials. Colony is among the most popular brands for the do-it-yourself biker,...$34.95 -
Out of stock
Jagg - Vertical Frame Mount 6-Row Oil Cooler System
Jagg Oil Coolers
$399.95 - $449.95Jagg - Vertical Frame Mount 6-Row Oil Cooler System Jagg's Vertical Frame Mount 6-Row Oil Cooler System is a must-have performance part for Harley owners. This cooler mounts to the left frame down-tube, spaced away from the frame to deliver airflow to...$399.95 - $449.95 -
Out of stock
Drag Specialties - High-Performance Oil Pump fits '17-Up M8 Twin-Cooled Motors
Drag Specialties
$155.95Drag Specialties - High-Performance Oil Pump fits '17-Up M8 Twin-Cooled Motors The High-Performance Oil Pump features high-quality die-cast aluminum body construction, and high-strength steel gear construction. Features Helps to reduce oil...$155.95 -
Out of stock
V-Twin - 1200cc Cylinder and Piston Conversion Kit fits '04-Up XL - Black
V-Twin Manufacturing
$662.951200cc XL Conversion cylinder and piston set includes 2 black 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...$662.95 -
Out of stock
V-Twin - Black Top Rocker Box Cover and D-Ring Kit fits '86-'03 Sportster Model
V-Twin Manufacturing
$281.33V-Twin - Black Top Rocker Box Cover and D-Ring Kit fits '86-'03 Sportster Model Black top rocker box cover set includes d-ring kit. Fitment: XL 1986-2003$281.33 -
Out of stock
Drag Specialties - Oil Filter with Nut fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63796-77A, 63805-80A, 63806-83)
Drag Specialties
$15.25 - $18.31Drag Specialties - Oil Filter with Nut fits '86-'22 Sportster (Except RH Sportster), '09-'12 XR1200/X Models (OEM #63796-77A, 63805-80A, 63806-83) Features: High-quality spin-on filters are a dependable replacement for most Harley-Davidson...$15.25 - $18.31 -
Out of stock
Jagg - Vertical Front Mount 10-Row Wideline Oil Cooler System
Jagg Oil Coolers
$450.95 - $574.95Jagg - Vertical Front Mount 10-Row Wideline Oil Cooler System This 10-row, high-performing two-pass oil cooler is built to fit all bike with vertical frame tubes. It is specifically designed to exceed the cooling demands of today's V-Twin...$450.95 - $574.95 -
Out of stock
Feuling - Dress Up Fastener Kit - fits '18 Softail
Feuling
$199.95Feuling Dress Up Fastener Kit for 2018 Harley Softail This Chassis Dress-up Kit includes rear fender bracket, battery box side cover, shifter linkage, shifter arm w/nut and washer, and rear brake master cylinder hardware. Features: Quality 12-point...$199.95 -
Out of stock
EMD - XR Trackster Rocker Box Covers -Black fits '04-'17 XL Models
EMD
$582.95The 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...$582.95 -
Out of stock
Jims - 937 7mm Valve Guide Remover fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125R)
Jims
$96.95Jims - 937 7mm Valve Guide Remover fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125R) Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as well as valve seals Made...$96.95 -
Out of stock
Jims - 938 7mm Valve Guide Installer fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125CR)
Jims
$64.95Jims - 938 7mm Valve Guide Installer fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125CR) Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as well as valve...$64.95 -
Out of stock
Jims - 5808 Valve Spring Compression Collar Tool fits '17-'21 M-Eight Models
Jims
$86.95Jims - 5808 Valve Spring Compression Collar Tool fits '17-'21 M-Eight Models Features: Valve spring collar allows existing compressor to remove smaller valves on M8 engines For use with JIMS® Valve Spring Compressor Tool (PART# DS-196013) Made...$86.95 -
Out of stock
Jims - 5833 Ball Bearing Installation Tool fits '17-'20 Softail & Touring Models
Jims
$275.95Jims - 5833 Ball Bearing Installation Tool fits '17-'20 Softail & Touring Models Features: All Milwaukee-Eight® (M8) engines incorporate balancers to reduce vibration Designed to precisely install these bearings in the proper location for...$275.95
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.