Engine
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S&S Cycle - 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8
S&S Cycle
$3,359.95S&S Cycle - 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and oil...$3,359.95 -
S&S Cycle - 310-1229 - 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8
S&S Cycle
$3,359.95S&S Cycle - 310-1229 - 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" water-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...$3,359.95 -
S&S Cycle - 310-1107B - 128" Power Package Engine Performance Kit - Chain Drive
S&S Cycle
$3,265.95S&S Cycle - 310-1107B - 128" Power Package Engine Performance Kit - Chain DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...$3,265.95 -
S&S Cycle - 310-1108A - 128" Power Package Engine Performance Kit - Gear Drive
S&S Cycle
$3,427.95S&S Cycle - 310-1108A - 128" Power Package Engine Performance Kit - Gear DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...$3,427.95 -
S&S Cycle - 310-1101B - 128" Power Package Engine Performance Kit - Chain Drive
S&S Cycle
$3,265.95S&S Cycle - 310-1101B - 128" Power Package Engine Performance Kit - Chain DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...$3,265.95 -
S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin Cam
S&S Cycle
$2,111.95S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin CamFeaturesIncreased fin area for better heat dissipationIncrease bore size from 3.750" to 3.927"4.375" stroke, 10.0:1 compression with stock headsEasy installation; no...$2,111.95 -
S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big Twin
S&S Cycle
$2,795.95S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big TwinFeaturesKit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore cylinder, 9.75:1 compression ratio pistons, rings and...$2,795.95 -
S&S Cycle - 91-7660 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big Twin
S&S Cycle
$2,795.95S&S Cycle - 91-7660 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big TwinFeaturesKit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore cylinder, 9.75:1 compression ratio pistons, rings and gasketsFlywheel...$2,795.95 -
Kodlin Usa - K25411 - NXL Point Cover - Black - M8
KODLIN USA
MSRP: $89.99$69.99Kodlin Usa - K25411 - NXL Point Cover - Black - M8 Features Ultra high end performance covers Made from black anodized CNC machined billet aluminum with brushed stainless steel...MSRP: $89.99$69.99 -
Kodlin Usa - K25409 - NXL Derby Cover - Black - M8 Touring
KODLIN USA
MSRP: $199.99$169.99Kodlin Usa - K25409 - NXL Derby Cover - Black - M8 Touring Features Ultra high end performance covers Made from black anodized CNC machined billet aluminum with brushed stainless steel cover Comes in a kit and includes all hardware Aluminum base...MSRP: $199.99$169.99 -
Fram - PH6017A - Oil Filter
Fram
$18.95Fram - PH6017A - Oil FilterFeaturesIncludes all necessary O-rings and gasketsMicron rating of 10 traps microscopic dirt particles without restricting air flowHigh-quality filter made to strict specifications to provide superior performanceSureGrip®...$18.95 -
Fram - PH4967 - Oil Filter
Fram
$14.95Fram - PH4967 - Oil FilterFeaturesIncludes all necessary O-rings and gasketsMicron rating of 10 traps microscopic dirt particles without restricting air flowHigh-quality filter made to strict specifications to provide superior performanceSureGrip®...$14.95 -
Gardner-Westcott - SP-10-17-08 - Bolt Kit - Primary Cover Only - Socket-Head
Gardner-Westcott
$54.95Gardner-Westcott - SP-10-17-08 - Bolt Kit - Primary Cover Only - Socket-Head Features Primary cover only Made in the U.S.A. Specs Riding Style Street Color/Finish Natural Color/Finish Silver Material Stainless...$54.95 -
Gardner-Westcott - SP-10-18-08 - Bolt Kit - Primary Cover Only - Socket-Head
Gardner-Westcott
$65.95Gardner-Westcott - SP-10-18-08 - Bolt Kit - Primary Cover Only - Socket-Head Features Primary cover only Made in the U.S.A. Specs Base Color Silver Style Socket-Head Color/Finish Silver Base...$65.95 -
Feuling Parts - 9015 - Crankshaft Runout Measuring Tool - Twin Cam/EVO
FEULING PARTS
$119.95Feuling Parts - 9015 - Crankshaft Runout Measuring Tool - Twin Cam/EVO Features Mounts to the cam chest side of the engine case using the designated mounting holes of the tool combined with the handled thumb screws and the case cam cover bolt...$119.95 -
Feuling Parts - 1231 - Rocker Shafts - Set - M8
FEULING PARTS
$189.95Feuling Parts - 1231 - Rocker Shafts - Set - M8 Features Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory design Recommended for all M-Eight engines...$189.95 -
Jims - 5468 - Forceflow Cylinder Head Cooler Kit - Black - M8 Touring
Jims
$630.95Jims - 5468 - Forceflow Cylinder Head Cooler Kit - Black - M8 TouringFeaturesIncludes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructionsEasy...$630.95 -
Jims - 5470 - Forceflow Cylinder Head Cooler Kit - Black - M8 Softail
Jims
$694.95Jims - 5470 - Forceflow Cylinder Head Cooler Kit - Black - M8 SoftailFeaturesIncludes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructionsEasy...$694.95 -
Jims - 5469 - Forceflow Cylinder Head Cooler Kit - Chrome - M8 Touring
Jims
$747.95Jims - 5469 - Forceflow Cylinder Head Cooler Kit - Chrome - M8 TouringFeaturesIncludes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructionsEasy...$747.95 -
Figurati Designs - FD26R-TC-2H-SS - Timing Cover - 2 Hole - American Flag - Contrast Cut - Stainless Steel
Figurati Designs
$122.95Figurati Designs - FD26R-TC-2H-SS - Timing Cover - 2 Hole - American Flag - Contrast Cut - Stainless SteelFeaturesTiming Cover for Harley Davidson applicationsMade from 316L stainless steel, polished to a perfect mirror finish or a black stainless-steel...$122.95 -
Gasbox - 003999 - Top Motor Mount - XL
Gasbox
$49.95Gasbox - 003999 - Top Motor Mount - XL Features These heavy-duty, custom top motor mounts from Gasbox feature a convenient spot to relocate your ignition switch and the option of a CV carburetor choke mounting slot Includes coil mount Made in the U...$49.95 -
Feuling Parts - 7072ST - Race Series® Oil System Kit - Twin Cam
FEULING PARTS
$1,029.95Feuling Parts - 7072ST - Race Series® Oil System Kit - Twin Cam Features FEULING® OE+ stock replacement billet oil pumps deliver increased oil pressure and return scavenge volumes over the factory oil pumps OE+ Oil Pumps are designed and...$1,029.95 -
Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8
FEULING PARTS
$1,199.95Feuling Parts - 7099 - Race Series® Oil System Kit - Water Cooled - M8 Features Includes FUELING® High Flow billet camplate made from 7075 aluminum which is 50% harder and stronger than the factory or FUELING® OE+ camplates Increases oil...$1,199.95 -
Feuling Parts - 8017 - High Flow Camplate - M8
FEULING PARTS
$379.95Feuling Parts - 8017 - High Flow Camplate - M8FeaturesIncrease engine oil flow and volume by enlarging the oil pump reservoirs and critical oil passages including the scavenging return holes from the pump to the camplate and into the engine caseCamplate...$379.95 -
Feuling Parts - 7018 - Oil Pump - HP+® - Oil Cooled - M8
FEULING PARTS
$429.95Feuling Parts - 7018 - Oil Pump - HP+® - Oil Cooled - M8 Features Increased oil volume from the larger gears and properly sized passages along with the pressure relief valve seat and seal from these oil pumps is essential for proper oiling system...$429.95 -
Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8
FEULING PARTS
$1,995.95Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8FeaturesSpecsApplicationExhaustExhaust Close18°Intake Close Imperial38.5°Intake Lobe Centerline99°Exhaust Lobe Centerline Imperial105°Intake Duration239°Intake Duration...$1,995.95 -
Feuling Parts - 7270 - Camchest - Race Series® - Reaper 538 - Oil Cooled - M8
FEULING PARTS
$1,995.95Feuling Parts - 7270 - Camchest - Race Series® - Reaper 538 - Oil Cooled - M8FeaturesSpecsExhaust Close18°Exhaust Lift at TDC0,157''Exhaust Lift at TDC Imperial0.157''Intake Close38,5°ModelRace Series®Intake Lift Imperial0.538''UnitsKitExhaust Duration...$1,995.95 -
Feuling Parts - 7209P - Camchest Kit - HP+® - 574 Series - Chain Drive - Twin Cam
FEULING PARTS
$1,595.95Feuling Parts - 7209P - Camchest Kit - HP+® - 574 Series - Chain Drive - Twin CamFeaturesAll necessary components from top-to-bottom of the camchestProvide maximum reliability, longevity, peak performance, and the coolest engine and oil temperatures...$1,595.95 -
Feuling Parts - 7250 - Camchest Kit - HP+® Series - Reaper 405 - Oil Cooled - M8
FEULING PARTS
$1,695.95Feuling Parts - 7250 - Camchest Kit - HP+® Series - Reaper 405 - Oil Cooled - M8FeaturesQuieter and smoother engine operationIncreases oil pressure, scavenge volume and engine oil flowEliminates wet sumping, blowby and oily air cleanersHeavy-duty .165”...$1,695.95 -
Feuling Parts - 8075 - Hydraulic Tensioner - Outer - Twin Cam
FEULING PARTS
$69.95Feuling Parts - 8075 - Hydraulic Tensioner - Outer - Twin CamFeaturesStock replacement hydraulic cam chain tensionersTensioner housings are precision machined from billet 6061 aluminum, pads are injection molded Nylon with PTFE added to increase wear and...$69.95 -
Feuling Parts - 7089 - Conversion Camplate Hydraulic Cam Chain Tensioner - Factory Style - Twin Cam with Cam Sensor
FEULING PARTS
$839.95Feuling Parts - 7089 - Conversion Camplate Hydraulic Cam Chain Tensioner - Factory Style - Twin Cam with Cam SensorFeaturesDesigned to run the factory '00-'06 style splined chain drive camshafts with the included sprockets which converts to the later...$839.95 -
Hiflofiltro - HF175 - Oil Filter
Hiflofiltro
MSRP: $8.95$8.74Hiflofiltro - HF175 - Oil FilterFeaturesHigh quality premium oil filterSpecsLength Metric70 mmBase ColorBlackUnitsEachWidth Metric50 mmRiding StyleStreetTypeSpin-OnColor/FinishBlackProduct NameOil FilterFilter Media MaterialPaperFitment2015-2020...MSRP: $8.95$8.74 -
K & N - KN-564 - Performance Oil Filter - Buell/Can-Am
K & N
MSRP: $16.70$15.99K & N - KN-564 - Performance Oil Filter - Buell/Can-AmFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA large filter media provides high-flow...MSRP: $16.70$15.99 -
Hiflofiltro - HF564 - Oil Filter
Hiflofiltro
MSRP: $9.95$9.89Hiflofiltro - HF564 - Oil FilterFeaturesHigh quality premium oil filterSpecsLength Metric10.1 cmProduct NameOil FilterRiding StyleStreetFilter Media MaterialPaperTypeCartridgeUnitsEachBase ColorYellowColor/FinishSilverColor/FinishYellowWidth Metric56...MSRP: $9.95$9.89 -
Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike
FEULING PARTS
$299.95Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike Features Billet dipsticks vent/breathe excessive crank case pressure from the oil tank through a PCV style breather, consisting of an oil separator system, perforated disc, replaceable...$299.95 -
Eastern Motorcycle Parts - A-8972 - Main Bearing Washer
Eastern Motorcycle Parts
MSRP: $32.95$10.95Eastern Motorcycle Parts - A-8972 - Main Bearing Washer Features Sold in 5-pack Made in the U.S.A. Replacement Part for OEM Number(s): 8972 Specs Product Name Washer Type Crankcase Bearing Units 5 Pack Riding...MSRP: $32.95$10.95 -
Cometic - C9296 - Tappet Pin Cover O-Ring
Cometic
$3.95Cometic - C9296 - Tappet Pin Cover O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.95 -
Cometic - C9443 - Upper Tappet Block O-Ring
Cometic
$3.10Cometic - C9443 - Upper Tappet Block O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$3.10 -
Cometic - C9448 - Tappet Screw O-Ring
Cometic
$4.15Cometic - C9448 - Tappet Screw O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...$4.15 -
Cometic - C10363 - Crankcase Gasket - 0.012"
Cometic
$48.25Cometic - C10363 - Crankcase Gasket - 0.012"FeaturesHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USAReplacement Part for OEM Number(s):...$48.25
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.