Engine
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Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight
Roland Sands Design
MSRP: $519.95$494.95Roland Sands Design Clarity Cam Cover - fits '17-'19 M-Eight Features: Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast Cut™ finish starts with a polished top cover that...MSRP: $519.95$494.95 -
Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models
Custom Cycle Engineering
$475.95Custom Cycle Engineering - EVO Finned Rocker Covers fits '84-'99 Evolution Big Twin Models Custom Cycle Engineering's EVO Finned Rocker Covers have undersides that have been machined for greater clearance. This will allow them to accommodate almost any...$475.95 -
On Sale
S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine
S&S Cycle
$404.96 - $413.96S&S - Gear Drive Camshaft - Fits Harley '17-Up M8 Models with M8 Engine This replacement camshaft kit includes all required bearings, o-rings, gasket, and hardware. Features: 350 CAMS No Tuning Required Bolt-in! Compatible with all stock...$404.96 - $413.96 -
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 -
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 -
EMD - XR Trackster Rocker Box Covers -Black fits '86-'03 XL Models
EMD
$582.99The 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 included...$582.99 -
James Gaskets - Evo Motor Gasket Kit w/ MLS Head Gaskets - fits '84-'91 Evo
James Gaskets
$164.95James Gaskets Evo Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '84-'91 Evo$164.95 -
James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams
James Gaskets
$78.95James Gaskets - Gasket O-Ring Kit, Cylinder Head-Base - fits '99-Up Twin Cams This Genuine James kit comes with matching head and base gaskets and O-Rings where applicable. Made in the U.S.A. Fitment 2006 Harley-Davidson Street Glide...$78.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '99-'04
James Gaskets
$163.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '99-'04 Twin Cam Models$163.95 -
James Gaskets - Twin Cam Motor Gasket Kit w/ MLS Head Gaskets - fits '05-Up
James Gaskets
$163.95James Gaskets Twin Cam Gasket Kits uses state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '05-UP Twin Cam Models$163.95 -
On Sale
Feuling - Oil Pumps - fits '07-'15 Twin Cam (inc. '06 Dyna)
Feuling
MSRP: $507.95Now: $499.99Was: $507.95Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter tolerance under temperature More pressure volume and...MSRP: $507.95Now: $499.99Was: $507.95 -
Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model
Colony Machine
$59.60Colony - 8138-34 Cadmium Stock Engine Case Bolt Kit fits '65-'69 FL Model Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FL 1965-1969$59.60 -
Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models
Colony Machine
$23.67Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models Cadmium stock cylinder base set includes 8 nuts & washers. Fitment: WL 1929-1952 XL 1957-1985 G 1932-1973$23.67 -
On Sale
Colony - Cylinder Stud Set - fits '86-Up XL
Colony Machine
MSRP: $88.95Now: $81.99Was: $88.95Colony cylinder stud set. 8pack Fits: XL 1986-UP EvolutionMSRP: $88.95Now: $81.99Was: $88.95 -
On Sale
Colony - Tappet Base Allen Screws - Chrome fits '57-'84 XL
Colony Machine
MSRP: $16.98Now: $14.99Was: $16.98Tappet base allen screws. Chrome finish Fits: XL 1957-1984MSRP: $16.98Now: $14.99Was: $16.98 -
Colony - Rocker Shaft End Caps - Chrome fits Harley FL, FX, and XL (see desc.)
Colony Machine
$41.99Rocker shaft end caps, chrome finish. Fits: FL 1971-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 XL 1971-1985$41.99 -
V-Twin - Chrome Pushrod Cover Kit fits '57-E'79 XL Sportster
V-Twin Manufacturing
$102.06Chrome Pushrod Cover kit includes upper and lower pushrod covers, seals, springs. Fits: XL 1957-1979 Early 1979$102.06 -
On Sale
Colony - Hex Head Bolts - Chrome fits '57-'72 XL
Colony Machine
MSRP: $69.95Now: $64.99Was: $69.95Hex head bolt, chrome finish. Fits: XL 1957-1972MSRP: $69.95Now: $64.99Was: $69.95 -
V-Twin - Blacked Out Rocker Box Cover Set fits '07-'12 XL Sportster
V-Twin Manufacturing
$420.54Harley Sportster Rocker box cover set with black finish. Fits: XL 2007-2012$420.54 -
Wossner - K4082D200-2 - Piston Kit - 4.500" Stroke - 114 CID - M8 CVO
Wossner
$448.00Wossner - K4082D200-2 - Piston Kit - 4.500" Stroke - 114 CID - M8 CVO Features Crown is anodized to improve resistance to extreme heat Tested and proven to improve thermal diffusivity by up to 10% Hardcoat anodize treatment enhances the piston's...$448.00 -
Tp Engineering - 45-0151-12 - Oil Pump Big Twin
Tp Engineering
$524.95Tp Engineering - 45-0151-12 - Oil Pump Big TwinFeaturesConstructed of high-quality billet aluminum with a polished finishUnique three-valve system delivers 8-10 lb. of oil pressure to the crankshaft at idle (all other oil pumps have a pressure valve that...$524.95 -
Tp Engineering - 45-0150-12 - Oil Pump Big Twin
Tp Engineering
$524.95Tp Engineering - 45-0150-12 - Oil Pump Big TwinFeaturesConstructed of high-quality billet aluminum with a polished finishUnique three-valve system delivers 8-10 lb. of oil pressure to the crankshaft at idle (all other oil pumps have a pressure valve that...$524.95 -
Trask - TM-018R - Assault Series Cam Cover - Raw Machined - M8
Trask
$429.95Trask - TM-018R - Assault Series Cam Cover - Raw Machined - M8FeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecsColor/FinishMachinedRiding StyleStreetColor/FinishRawProduct...$429.95 -
Trask - TM-018BK - Assault Series Cam Cover - Gloss Black Powdercoat - M8
Trask
$429.95Trask - TM-018BK - Assault Series Cam Cover - Gloss Black Powdercoat - M8FeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecsColor/FinishGlossUnitsEachRiding...$429.95 -
Trask - TM-017BK - Assault Series Cam Cover - Gloss Black Powdercoat - Twin Cam
Trask
$429.95Trask - TM-017BK - Assault Series Cam Cover - Gloss Black Powdercoat - Twin CamFeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecsProduct...$429.95 -
Trask - TM-017R - Assault Series Cam Cover - Raw Machined - Twin Cam
Trask
$429.95Trask - TM-017R - Assault Series Cam Cover - Raw Machined - Twin CamFeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecsProduct NameCoverRiding...$429.95 -
Trask - TM-017CH - Assault Series Cam Cover - Chrome - Twin Cam
Trask
$429.95Trask - TM-017CH - Assault Series Cam Cover - Chrome - Twin CamFeaturesTransparent for viewing internal engine componentsMatches Assault series of air cleanersMade in the USASpecsColor/FinishChromeTypeCamUnitsEachProduct NameCoverRiding...$429.95 -
Tp Engineering - 45-0154-12 - Oil Pump Assembly - Big Twin
Tp Engineering
$546.95Tp Engineering - 45-0154-12 - Oil Pump Assembly - Big TwinFeaturesFilter your oil before it enters your motorComplete with fittings that send oil to the filter before pumping it through your engineAllows the use of 10-micron oil filters for additional...$546.95 -
Trask - TM-7600-BK - Tornado Turbo Performance Kit - Black with Black Exhaust
Trask
$5,999.95Trask - TM-7600-BK - Tornado Turbo Performance Kit - Black with Black Exhaust Features Bolt on 40%-50% more power for stock 107\ Trask compressor and turbine housing with Garrett internals Trask plenum with integrated blow-off valve Includes all...$5,999.95 -
Ultracool - SMT-4NSS - Oil Cooler Kit - Naked Black - Touring/Trike
Ultracool
$549.99Ultracool - SMT-4NSS - Oil Cooler Kit - Naked Black - Touring/TrikeFeaturesOil Adapter with thermal Switch and waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 F maintaining the ideal oil/engine operating...$549.99 -
Ultracool - SMT-1GSS - Side Mount Oil Cooler Kit - Gloss Black - Touring
Ultracool
$589.99Ultracool - SMT-1GSS - Side Mount Oil Cooler Kit - Gloss Black - TouringFeaturesPlug-and-play wiring harness with relay and waterproof connectors that all connect to the battery under the seat for simple installationOil adapter and thermal switch...$589.99 -
Ultracool - SMSP-2N - Side Mount Oil Cooler Kit - Naked Black - Sportster
Ultracool
$499.00Ultracool - SMSP-2N - Side Mount Oil Cooler Kit - Naked Black - SportsterFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger...$499.00 -
Ultracool - DY-1FSS - Oil Cooler Kit - Flat Black - Dyna
Ultracool
$549.99Ultracool - DY-1FSS - Oil Cooler Kit - Flat Black - DynaFeaturesSpecifically designed for the S&S T Series 111, 124 and 143 enginesSpecial machined oil adapter to fit perfectly into the S&S casesStrengthened fan hardware for large S&S EnginesHas the...$549.99 -
Ultracool - DY-1CSS - Oil Cooler Kit - Chrome - Dyna
Ultracool
$549.99Ultracool - DY-1CSS - Oil Cooler Kit - Chrome - DynaFeaturesSpecifically designed for the S&S T Series 111, 124 and 143 enginesSpecial machined oil adapter to fit perfectly into the S&S casesStrengthened fan hardware for large S&S EnginesHas the ability...$549.99 -
Ultracool - DY-1GSS - Oil Cooler Kit - Gloss Black - Dyna
Ultracool
$549.99Ultracool - DY-1GSS - Oil Cooler Kit - Gloss Black - DynaFeaturesSpecifically designed for the S&S T Series 111, 124 and 143 enginesSpecial machined oil adapter to fit perfectly into the S&S casesStrengthened fan hardware for large S&S EnginesHas the...$549.99 -
Ultracool - SMT-1CSS - Side Mount Oil Cooler Kit - Chrome - Touring
Ultracool
$589.99Ultracool - SMT-1CSS - Side Mount Oil Cooler Kit - Chrome - TouringFeaturesPlug-and-play wiring harness with relay and waterproof connectors that all connect to the battery under the seat for simple installationOil adapter and thermal switch...$589.99 -
Ultracool - SMT-2GSS - Oil Cooler Kit - Gloss Black - Touring/Trike
Ultracool
$589.99Ultracool - SMT-2GSS - Oil Cooler Kit - Gloss Black - Touring/TrikeFeaturesOil Adapter with thermal Switch and waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 F maintaining the ideal oil/engine operating...$589.99 -
Ultracool - SMT-2CSS - Oil Cooler Kit - Chrome - Touring/Trike
Ultracool
$589.99Ultracool - SMT-2CSS - Oil Cooler Kit - Chrome - Touring/TrikeFeaturesOil Adapter with thermal Switch and waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 F maintaining the ideal oil/engine operating temperature in...$589.99 -
Ultracool - SMT8-3 - Oil Cooler Kit - Naked - Black - Softail/Touring/Trike
Ultracool
$499.00Ultracool - SMT8-3 - Oil Cooler Kit - Naked - Black - Softail/Touring/TrikeFeaturesPlug-and-play wiring harness with relay and waterproof connectors that all connects to the battery under the seat for simple installationOil Adapter and Thermal Switch...$499.00 -
Ultracool - RF-2FSS - Below Regulator Mount Oil Cooler - Flat Black - Touring/Trike
Ultracool
$549.99Ultracool - RF-2FSS - Below Regulator Mount Oil Cooler - Flat Black - Touring/TrikeFeaturesSpecifically designed for the S&S T series 111, 124 and 143 enginesSpecial machined oil adapter to fit perfectly into the S&S casesStrengthened fan hardware for...$549.99
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.