Engine
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Out of stock
James Gasket - JGI-ST-25700444 - Top End Gasket Kit - ST 500
James Gaskets
$165.95James Gasket - JGI-ST-25700444 - Top End Gasket Kit - ST 500FeaturesTop-quality gaskets, oil seals and O-rings necessary to rebuild an engineMade in the USASpecs$165.95 -
Out of stock
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...$49.95 -
Feuling Parts - 7484 - Race Series® Oil System Kit - Twin Cam
Feuling
$1,259.95Feuling Parts - 7484 - Race Series® Oil System Kit - Twin CamFeaturesFreshen up cam chest and oiling system on late model Twin Cam enginesKit uses existing camshafts or allows purchase of preferred...$1,259.95 -
Out of stock
Feuling Parts - 7475 - Race Series® Camchest Kit - Fits all 2007-2017 Twin Cam, 06 Dyna
Feuling
$1,659.95Feuling Parts - 7475 - Race Series® Camchest KitFeaturesFreshen up camchest and oiling system on late model Twin Cam enginesKit uses existing camshafts or allows purchase of preferred cam selection...$1,659.95 -
Out of stock
Feuling Parts - 8026 - Pressure Relief Spring - M8 uses Factory or Fueling oil pumps
Feuling
$12.95Feuling Parts - 8026 - Pressure Relief Spring - M8 uses Factory or Fueling oil pumpsFeaturesIncreases pressure relief valve pop-off psiCam plate pressure relief valve plunger is precision-machined...$12.95 -
Out of stock
Feuling Parts - 7077 - Race Series® Conversion Camplate Oil System - Twin Cam
Feuling
$1,029.95Feuling Parts - 7077 - Race Series® Conversion Camplate Oil System - Twin CamFeaturesCombine all the needed components to finish your engine's oiling systemQuieter and smoother engine...$1,029.95 -
Out of stock
Feuling Parts - 7075 - Performance Oil System - Twin Cam
Feuling
$1,029.95Feuling Parts - 7075 - Performance Oil System - Twin CamFeaturesCombine all the needed components to finish your T/C® engine's oiling systemKit increases oil pressure, oil volume, engine oil flow and...$1,029.95 -
Out of stock
Feuling Parts - 7050 - Race Series® Oil Pump - Twin Cam
Feuling
$499.95Feuling Parts - 7050 - Race Series® Oil Pump - Twin CamFeaturesMade of 7075 billet aluminum with military spec hard anodizing; blueprinted and designed for the racerThe 7075 alloy is 50% harder and...$499.95 -
Out of stock
Jims - 1753B - Flow Pro 1 Billet Oil Pump Bottom Line - Black
Jims
$822.80Jims - 1753B - Flow Pro 1 Billet Oil Pump Bottom Line - BlackFeaturesCNC-machined feed and return gears increase pump flow and return volumePumps include cover, gears, drive shaft, seals, gaskets,...$822.80 -
Out of stock
Jims - 1711LB - Billet Oil Pump - EVO Big Twin with 80" - 140" motors
Jims
$598.95Jims - 1711LB - Billet Oil Pump - EVO Big Twin with 80" - 140" motorsFeaturesOil pump increases horsepower by decreasing drag on the flywheels and other rotating partsCNC-machined to exact tolerances...$598.95 -
Out of stock
Feuling Parts - 1229 - Rocker Shaft Shims - 0.010" - M8
Feuling
$99.95Feuling Parts - 1229 - Rocker Shaft Shims - 0.010" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035”...$99.95 -
Out of stock
Feuling Parts - 1227 - Rocker Shaft Shims - 0.003" - M8
Feuling
$119.95Feuling Parts - 1227 - Rocker Shaft Shims - 0.003" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035”...$119.95 -
Out of stock
Feuling Parts - 1459 - Race Series® Camshaft Kit - 508 Series - Chain Drive - M8
Feuling
$699.95Feuling Parts - 1459 - Race Series® Camshaft Kit - 508 Series - Chain Drive - M8FeaturesKit includes Reaper® camshaft, Racer Series full travel hydraulic lifters with 0.200" total travel,...$699.95 -
Out of stock
Feuling Parts - 4019ST - Lifters - Race Series® - Oversized - M8
Feuling
$319.95Feuling Parts - 4019ST - Lifters - Race Series® - Oversized - M8FeaturesNew revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"Increases RPM by decreasing valve...$319.95 -
Out of stock
Feuling Parts - 4018ST - Lifters - Race Series® - Oversized - M8
Feuling
$319.95Feuling Parts - 4018ST - Lifters - Race Series® - Oversized - M8FeaturesNew revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"Increases RPM by decreasing valve...$319.95 -
Out of stock
Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8
Feuling
$299.95Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8FeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts and...$299.95 -
Out of stock
Feuling Parts - 4017ST - Lifters - Race Series® - Short Travel - M8
Feuling
$319.95Feuling Parts - 4017ST - Lifters - Race Series® - Short Travel - M8 Features New revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200" Increases RPM by...$319.95 -
Feuling Parts - 7194 - Hydraulic Cam Chain Tensioner Conversion Kit - Factory Style Camshaft - '01-'06 TC
Feuling
$1,649.95Feuling Parts - 7194 - Hydraulic Cam Chain Tensioner Conversion Kit - Factory Style Camshaft - '01-'06 TCFeaturesKit includes the needed components to upgrade early '99-'06 style mechanical spring...$1,649.95 -
Out of stock
Feuling Parts - 7193 - Hydraulic Cam Chain Tensioner Conversion Kit - Factory Style Camshaft - '99-00 TC
Feuling
$1,649.95Feuling Parts - 7193 - Hydraulic Cam Chain Tensioner Conversion Kit - Factory Style Camshaft - '99-00 TCFeaturesKit includes the needed components to upgrade early '99-'06 style mechanical spring...$1,649.95 -
Out of stock
Feuling Parts - 7192 - Hydraulic Cam Chain Tensioner Conversion Kit - Conversion Style Camshaft - '01-'06 TC
Feuling
$1,699.95Feuling Parts - 7192 - Hydraulic Cam Chain Tensioner Conversion Kit - Conversion Style Camshaft - '01-'06 TCFeaturesKit includes the needed components to upgrade early '99-'06 style mechanical spring...$1,699.95 -
Out of stock
Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8
Feuling
$2,049.95Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8FeaturesSpecsApplicationExhaust$2,049.95 -
Out of stock
Feuling Parts - 7270 - Camchest - Race Series® - Reaper 538 - Oil Cooled - M8
Feuling
$2,049.95Feuling Parts - 7270 - Camchest - Race Series® - Reaper 538 - Oil Cooled - M8FeaturesSpecsExhaust Close18°$2,049.95Out of stock
Feuling Parts - 7235ST - Camchest Kit - Race Series® - Reaper 594 - Chain Drive - w/Short Travel Lifters - Twin Cam '07-'17
Feuling
$1,895.95Feuling Parts - 7235ST - Camchest Kit - Race Series® - Reaper 594 - Chain Drive - w/Short Travel Lifters - Twin Cam '07-'17FeaturesEliminate wet sumping, blowby and oily air cleaners25 - 35 cooler...$1,895.95Out of stock
Feuling Parts - 7231P - Camchest Kit - HP+® - 543 Series - Chain Drive - Twin Cam
Feuling
$1,649.95Feuling Parts - 7231P - Camchest Kit - HP+® - 543 Series - Chain Drive - Twin CamFeaturesAll necessary components from top-to-bottom of the camchestProvide maximum reliability, longevity, peak...$1,649.95Out of stock
Feuling Parts - 7220P - Camchest Kit - HP+® Chain Drive Conversion - 525 Reaper Series - Twin Cam
Feuling
$1,939.95Feuling Parts - 7220P - Camchest Kit - HP+® Chain Drive Conversion - 525 Reaper Series - Twin CamFeaturesUpdate old mechanical style cams and tensioners to hydraulic tensioner system25 -35 cooler...$1,939.95Out of stock
Feuling Parts - 4017 - Lifters - Race Series® - Standard - M8
Feuling
$299.95Feuling Parts - 4017 - Lifters - Race Series® - Standard - M8FeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts and...$299.95Out of stock
Feuling Parts - 4051 - Lifters - Race Series® - Oversize - Twin Cam
Feuling
$299.95Feuling Parts - 4051 - Lifters - Race Series® - Oversize - Twin CamFeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts...$299.95Out of stock
Feuling Parts - 4052 - Lifters - Race Series® - Oversize - Twin Cam
Feuling
$299.95Feuling Parts - 4052 - Lifters - Race Series® - Oversize - Twin CamFeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts...$299.95Out of stock
Feuling Parts - 4050 - Tappets - Race Series® - Standard - Twin Cam
Feuling
$299.95Feuling Parts - 4050 - Tappets - Race Series® - Standard - Twin CamFeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts...$299.95Out of stock
Feuling Parts - 4052ST - Lifters - Race Series® - Oversized - Twin Cam
Feuling
$299.95Feuling Parts - 4052ST - Lifters - Race Series® - Oversized - Twin CamFeaturesNew revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"Increases RPM by decreasing...$299.95Out of stock
Feuling Parts - 4086 - HP+® Pushrods - -0.040" - M8
Feuling
$179.95Feuling Parts - 4086 - HP+® Pushrods - -0.040" - M8FeaturesMaintain maximum valve lift in your Harley Davidson® XL engineIncreased stiffness and column rigidity maximizing valve-train stability,...$179.95Out of stock
Feuling Parts - 4050ST - Lifters - Race Series® - Standard - Twin Cam
Feuling
$299.95Feuling Parts - 4050ST - Lifters - Race Series® - Standard - Twin CamFeaturesNew revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"Increases RPM by decreasing valve...$299.95Out of stock
Feuling Parts - 4051ST - Lifters - Race Series® - Oversized - Twin Cam
Feuling
$299.95Feuling Parts - 4051ST - Lifters - Race Series® - Oversized - Twin CamFeaturesNew revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200"Increases RPM by decreasing...$299.95Out of stock
Feuling Parts - 4097 - Quick Install Pushrods/Tube Kit - Twin Cam
Feuling
$289.95Feuling Parts - 4097 - Quick Install Pushrods/Tube Kit - Twin CamFeaturesTube material starts out as 7/16 rod OD, it then gets turned down to 3/8 OD leaving heavy duty 7/16 - 20 threads for the base...$289.95Out of stock
Feuling Parts - 4096 - Quick Install Pushrods - Twin Cam
Feuling
$229.95Feuling Parts - 4096 - Quick Install Pushrods - Twin CamFeaturesStrength and rigidity of Quick Install pushrods are second only to heavy-duty one-piece pushrodsTube material starts out as 7/16” rod...$229.95Out of stock
Feuling Parts - 4095 - Pushrod Tube Kit - Twin Cam
Feuling
$99.95Feuling Parts - 4095 - Pushrod Tube Kit - Twin CamFeaturesPushrod tube kit for use on Twin Cam engines using quick install style pushrods that require more clearance inside the tube covers to...$99.95Out of stock
Feuling Parts - 4073 - HP+® Pushrods - +.030" - Twin Cam
Feuling
$179.95Feuling Parts - 4073 - HP+® Pushrods - +.030" - Twin CamFeaturesFeuling highly recommends using one-piece pushrods instead of adjustable pushrods to maintain maximum cam/valve lift and reduce...$179.95Out of stock
Feuling Parts - 4077 - Adjustable Pushrods - Evolution
Feuling
$199.95Feuling Parts - 4077 - Adjustable Pushrods - EvolutionFeaturesMaintains maximum valve lift; increases stiffness and column rigidityMaximizes valve-train stability to increase engine rpm, horsepower...$199.95Out of stock
Jims - 5837 - Rocker Arm Shaft Kit - M8
Jims
$252.95Jims - 5837 - Rocker Arm Shaft Kit - M8FeaturesIn an effort to perfect Milwaukee-Eight® engine valve train geometry, while improving durability, JIMS® has developed performance rocker shafts and...$252.95Out of stock
Jims - 5836 - Rocker Arm Shaft and Hardware Kit - M8
Jims
$401.50Jims - 5836 - Rocker Arm Shaft and Hardware Kit - M8Features4130 stud and nut kit replaces the stock hardware used to secure the rocker shaftsCompared to a stock “bolt”, these JIMS manufactured studs...$401.50
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.