Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Cometic - C10378-030 - Head Gasket - 4.310" - .036" - Center Cooled - MLS - M8
Cometic
$59.95Cometic - C10378-030 - Head Gasket - 4.310" - .036" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMLX Gasket...$59.95 -
Cometic - C10378 - Head Gasket - 4.310" - .040" - Center Cooled - MLS - M8
Cometic
$59.95Cometic - C10378 - Head Gasket - 4.310" - .040" - Center Cooled - MLS - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMLX Gasket...$59.95 -
Belt Drives Ltd. - MPB-9 - Motor Plate Bearing
Belt Drives Ltd.
$88.95Belt Drives Ltd. - MPB-9 - Motor Plate Bearing Features For use on BDL Belt Drive clutches Specs Riding Style Street Units Each Product Name Bearing$88.95 -
Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"
Alloy Art
$20.95Alloy Art - CRA-3 - Compression Release Adapter - 12 mm x 3/4"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.SpecsUnitsEachProduct NameAdapterTypeCompression ReleaseConnector...$20.95 -
Alloy Art - CRA-2 - Compression Release Adapter - 14 mm x 3/8"
Alloy Art
$20.95Alloy Art - CRA-2 - Compression Release Adapter - 14 mm x 3/8"FeaturesDesigned to be used in twin plug headsAccept .650”/10mm x 1.0 compression release valvesSold eachMade in the U.S.A.SpecsSize14 mm - 3/8''Riding StyleStreetTypeCompression...$20.95 -
Arlen Ness - 03-465 - Replacement Spring and Oil Ring Set
Arlen Ness
$6.95Arlen Ness - 03-465 - Replacement Spring and Oil Ring SetFeaturesReplacement oil ring and spring for Arlen Ness re-usable oil filtersSpecsRiding StyleStreetProduct NameO-Ring SetTypeReplacementUnitsSetMaterialRubberBase...$6.95 -
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 -
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 - DM-1999 - Breather Kit - Big Twin
Trask
$249.95Trask - DM-1999 - Breather Kit - Big Twin Features Machined T-6061 billet aluminum construction Helps oil drain more efficiently into the rocker Reduces oil misting coming from the engine breathers Made in the U.S.A. Specs Product...$249.95 -
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 - SMT8-5N - Side Mount Oil Cooler Kit - Naked - Black
Ultracool
$499.00Ultracool - SMT8-5N - Side Mount Oil Cooler Kit - Naked - BlackFeaturesPlug-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 automatically...$499.00 -
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 -
Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/Trike
ThunderMax
$262.95Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/TrikeFeaturesUses engine temp and vehicle speed to reduce heat and keep engines running coolTakes only 15 minutes to install; does not require oil cooler removalPlug-n-play installation on M8 models...$262.95 -
Ultracool - RF-2GSS - Below Regulator Mount Oil Cooler - Gloss Black - Touring/Trike
Ultracool
$549.99Ultracool - RF-2GSS - Below Regulator Mount Oil Cooler - Gloss 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 -
Ultracool - SMT-4 - Oil Cooler Kit - Naked - Black - Dyna/FXR/Softail/Touring
Ultracool
$499.00Ultracool - SMT-4 - Oil Cooler Kit - Naked - Black - Dyna/FXR/Softail/TouringFeaturesPlug-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-2CSS - Below Regulator Mount Oil Cooler - Stainless Steel - Touring/Trike
Ultracool
$549.99Ultracool - RF-2CSS - Below Regulator Mount Oil Cooler - Stainless Steel - 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...$549.99 -
Ultracool - SMSP-1G - Side Mount Oil Cooler Kit - Gloss Black - Sportster
Ultracool
$549.99Ultracool - SMSP-1G - Side Mount Oil Cooler Kit - Gloss 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...$549.99 -
Ultracool - SMT-2G - Side Mount Oil Cooler Kit - Gloss Black - Touring
Ultracool
$549.99Ultracool - SMT-2G - Side Mount Oil Cooler Kit - Gloss Black - TouringFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger with...$549.99 -
Ultracool - SMT-2C - Side Mount Oil Cooler Kit - Chrome - Touring
Ultracool
$549.99Ultracool - SMT-2C - Side Mount Oil Cooler Kit - Chrome - TouringFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger with...$549.99 -
Ultracool - SMS8-1G - Side Mount Oil Cooler Kit - Gloss Black - M8 Softail
Ultracool
$549.99Ultracool - SMS8-1G - Side Mount Oil Cooler Kit - Gloss Black - M8 SoftailFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger...$549.99 -
Ultracool - SMS8-1C - Side Mount Oil Cooler Kit - Chrome - M8 Softail
Ultracool
$549.99Ultracool - SMS8-1C - Side Mount Oil Cooler Kit - Chrome - M8 SoftailFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger with...$549.99 -
Ultracool - SMT8-1G - Frame Mount Oil Cooler Kit - Gloss Black - M8 Touring/Trike
Ultracool
$549.99Ultracool - SMT8-1G - Frame Mount Oil Cooler Kit - Gloss Black - M8 Touring/TrikeFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat...$549.99 -
Ultracool - SMT8-1C - Side Mount Oil Cooler Kit - Chrome - M8 Touring/Trike
Ultracool
$549.99Ultracool - SMT8-1C - Side Mount Oil Cooler Kit - Chrome - M8 Touring/TrikeFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 FSpecially designed aluminum heat exchanger...$549.99 -
Ultracool - SMSP-2G - Side Mount Oil Cooler Kit - Gloss Black - Sportster
Ultracool
$549.99Ultracool - SMSP-2G - Side Mount Oil Cooler Kit - Gloss 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...$549.99 -
Ultracool - SMS-1G - Oil Cooler Kit - Side Mount - Gloss Black - Softail
Ultracool
$549.99Ultracool - SMS-1G - Oil Cooler Kit - Side Mount - Gloss Black - SoftailFeaturesOil adapter and thermal switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 Specially designed aluminum heat exchanger with...$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.