Engine
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Out of stock
Feuling - Cylinder Stud Kit - fits '99-'16 Twin Cam , '85-'99 Evo Big Twin
$130.95 - $169.95The Feuling Cylinder Stud Kit: The stongest studs available Feuling studs are installed to a torque spec can be reused and carry a lifetime warranty Heat-treated 8740 chrome moly studs Stock...$130.95 - $169.95 -
Feuling - Engine Bolt Fastener Kit fits '91-'03 Sportster Models
Feuling
$219.95Feuling - Engine Bolt Fastener Kit fits '91-'03 Sportster Models This is a complete external fastener kit specifically designed for certain Harley-Davidson Sportster models (See 'Fitment' tab)...$219.95 -
S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads
S&S Cycle
$40.95S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads S&S's Lower Rocker Box Gasket Kit must be used when installing OEM stock rocker boxes on S&S heads...$40.95 -
Feuling - 12-Point Engine Fastener Cam/Pinion Shaft Bolt Kit fits '99-'17 Twin Cam Models
Feuling
$41.95Feuling - 12-Point Engine Fastener Cam/Pinion Shaft Bolt Kit fits '99-'17 Twin Cam Models This kit comes with bolts, hardened washers and a camshaft retaining ring (black oxide). The tensile...$41.95 -
Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models
Feuling
$149.95Feuling - 12-Point Rocker Box Engine Fastener Kit fits '01-'16 Touring, '02-'17 Softail and '01-'17 Dyna Models This kit comes with rocker supports, breathers, rocker housings and moly lube (qty...$149.95 -
V-Twin - 40-0850 - Pura Flow Universal Oil Filter Kit
V-Twin Mfg
$68.64V-Twin - 40-0850 - Pura Flow Universal Oil Filter KitDescriptionOur Pura-Flow universal oil filter kit includes bracket, oil filter and hose,*NOTE: Additional stock spin on oil filters available...$68.64 -
V-Twin - 12-1499 - Reverse Circuit Breaker Gear Kit
Motorshop
$326.44V-Twin - 12-1499 - Reverse Circuit Breaker Gear KitDescriptionReverse rotation circuit breaker gear kit. Fits:FL 1941-1969EL 1936-1952Additional Information$326.44 -
Trask - TM-017-RK - Assault Cam Cover Repair Kit - Twin Cam
Trask Performance
$39.95Trask - TM-017-RK - Assault Cam Cover Repair Kit - Twin CamFeaturesIncludes everything to repair Trask Assault Series Cam CoversMade in the USACam covers (sold separately).Specs$39.95 -
Feuling Parts - 2074 - Inner Cam Bearing - Big Twin
Feuling
$18.95Feuling Parts - 2074 - Inner Cam Bearing - Big TwinFeaturesBearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance enginesManufactured by Koyo®...$18.95 -
Alloy Art - NGMP-2 - Front Engine Mount - Black
Alloy Art
$179.95Alloy Art - NGMP-2 - Front Engine Mount - Black Features Lighter and stronger than stock CNC Machined Aluminum construction. Hardware included Made in the USA Replacement Part for OEM...$179.95 -
James Gasket - Oil Pump Gasket/Seal Kit with DL-Style Gasket fits '91-'03 Sportster Models
James Gaskets
$21.95James Gasket - Oil Pump Gasket/Seal Kit with DL-Style Gasket fits '91-'03 Sportster Models Features: Comes with new components that allow you to totally rebuild/rebush most oil pumps Made in the...$21.95 -
V-Twin - Intake Manifold Seal Kit fits '90-'17 FLST/FXST, '88-'06 Sportster Models
V-Twin Mfg
$27.12V-Twin - Intake Manifold Seal Kit fits '90-'17 FLST/FXST, '88-'06 Sportster Models Manifold seal kit is to reseal late model manifolds with CV carburetor Fitment: FLST 1990-2017 FXD 1991-2017 FXST...$27.12 -
Wyatt Gatling - Shovelhead Chrome Rocker Box Line Kit fits '79-'83 FLT, '66-'84 FL, '82-'83 FXR Models
Wyatt Gatling
$67.58Wyatt Gatling - Shovelhead Chrome Rocker Box Line Kit fits '79-'83 FLT, '66-'84 FL, '82-'83 FXR Models Natural brass rocker box line kit includes "T" to oil the heads with 6mm brass tube and brass...$67.58 -
Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66)
Colony Machine
$74.95Colony - Hydraulic Pushrods fits '66-'84 Shovelhead w/ Hydraulic Lifters (OEM #17904-66) Features: Aircraft-grade aluminum tubing Heat-treated steel tips$74.95 -
Colony - Motor Mount Hardware fits '57-'85 Sportster Models (OEM #16218-52, 16230-52, 16237-57) - Chrome
Colony Machine
$46.95Colony - Motor Mount Hardware fits '57-'85 Sportster Models (OEM #16218-52, 16230-52) - Chrome Features: Includes two 3/8"-24 x 613/16" bolts, one 3/8"-24 x 57/16" bolt, one 3/8"-24 x 53/16"...$46.95 -
Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78)
Colony Machine
$24.95Colony - Cylinder Base Spacer Kit fits '78-'84 Big Twin Models (OEM #16836-78) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A.$24.95 -
Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors
Feuling
$99.95Feuling - Dress Up Engine Case Bolt Fastener Kit fits '99-'17 Twin Cam A Motors This kit features precision-rolled threads for the utmost engagement in order to stop galling and deliver better...$99.95 -
Feuling - Gorilla Rocker Shaft and Bolt Kit fits '01-'17 Harley Model
Feuling
$269.95Feuling - Gorilla Rocker Shaft and Bolt Kit fits '01-'17 Harley Model This kit is recommended for all Twin Cam engines, especially for engines running higher lift camshafts and heavier valve...$269.95 -
S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads)
S&S Cycle
$1,489.95S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads) The cylinders featured in this kit are built with premium...$1,489.95 -
S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
MSRP: $1,549.95$1,540.95S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your...MSRP: $1,549.95$1,540.95 -
S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads
S&S Cycle
$149.95S&S Cycle - Headbolt Kit fits '84-'17 Big Twin & '86-'03 XL Models W/ S&S Heads Features Set of 8 Head Bolts & Washers 4 Head Bolts: 12 pt, 3/8-16 x 3.384" x .950" TD Installation Instructions$149.95 -
Out of stock
Old-STF Cycle - Brass Rocker Box Oil Line fits '57-'85 Ironhead
Old-STF Cycle
$72.95Old-STF Cycle - Brass Rocker Box Oil Line fits Ironhead Sportster Features: Old-Stf Ironhead Sportster loop rocker box lines. 1/4" Brass oil lines pre- bent with all necessary fittings. Easy...$72.95 -
James Gaskets - Complete Gasket Set fits '66-'84 Shovelhead 4-Speed; Repl. OEM #17029-70/17029-66
James Gaskets
$128.95James Gaskets - Complete Gasket Set fits '66-'84 Shovelhead 4-Speed; Repl. OEM #17029-70/17029-66 This top-quality complete gasket set comes with the gaskets, oil seals and O-rings required to...$128.95 -
Out of stock
James Gaskets - Cam Cover Gasket Seal Kit - fits '70-'92 FL, FLH, FLT, FXR, Softail
James Gaskets
$34.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '70-'92 FL, FLH, FLT, FXR, Softail$34.95 -
Out of stock
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 -
Out of stock
Cometic - C9725 - Head Gasket .030" Twin Cam 2/Pk
Cometic
$59.50Cometic - C9725 - Head Gasket .030" Twin Cam 2/PkFeaturesGlobal Trade Item Number: 191070005207At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing...$59.50 -
Out of stock
Clymer - CM4232 - Repair Manual Harley Davidson Fls/Fxs
Clymer
$70.95Clymer - CM4232 - Repair Manual Harley Davidson Fls/FxsFeaturesGlobal Trade Item Number: 024185796299Save $$$ by doing the work yourselfMuch cheaper than OEM manualsWritten in an easy to understand...$70.95 -
Out of stock
James Gaskets - 11000101 - Seal Shifter Shaft 1/Pk
James Gaskets
$4.95James Gaskets - 11000101 - Seal Shifter Shaft 1/PkFeaturesGenuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableMade in the U.S.AFitment$4.95 -
Out of stock
Kpmi - 51014-4 - Valve Keepers Set Of Four Twin Cam 99-04 And All Evo
Kibblewhite
$17.95Kpmi - 51014-4 - Valve Keepers Set Of Four Twin Cam 99-04 And All EvoFeaturesOEM Style valve keepersFitment1994-2004Harley DavidsonFLHR Road King$17.95 -
Out of stock
Pj1 - 16-WKL - Fast Black Wrinkle Texture Finish 12Oz
PJ1
$19.95Pj1 - 16-WKL - Fast Black Wrinkle Texture Finish 12OzFeaturesGlobal Trade Item Number: 0231591620166 in a case$19.95 -
10% OFF
Arlen Ness - 12-Point Titanium Rocker Box Bolt Kit
Arlen Ness
Now: $125.96Was: $139.95Arlen Ness - 12-Point Titanium Rocker Box Bolt Kit Features: 12-Point rocker box bolt kits that are CNC machined from solid titanium Each titanium 12-Point bolt is meticulously CNC machined,...Now: $125.96Was: $139.95 -
10% OFF
Arlen Ness - 12-Point Cam Cover/Point Cover Bolt Kit - Titanium
Arlen Ness
Now: $89.96Was: $99.95Arlen Ness - 12-Point Cam Cover/Point Cover Bolt Kit - Titanium Features: 12-point bolts feature a spot drilled bolt head and lightning hole design on the bolt flange M8 kits include all needed...Now: $89.96Was: $99.95 -
10% OFF
Arlen Ness - 12-Point Titanium Cam Cover/Point Cover Bolt Kit
Arlen Ness
Now: $89.96Was: $99.95Arlen Ness - 12-Point Titanium Cam Cover/Point Cover Bolt Kit Features: 12-point bolts feature a spot drilled bolt head & lightning hole design on the bolt flange M8 kits include all needed...Now: $89.96Was: $99.95 -
V-Twin - 42-0457 - Transmission Dress Trim Chrome - Fits 1987-1999 Harley-Davidson FLT, 1987-1994 FXR
V-Twin Mfg
$64.02Chrome transmission dress trim fully covers end cover and inner door Fits:FLT 1987-1999FXR 1987-1994Additional Information UOM1 - EA$64.02 -
V-Twin - 40-1270 - Oil Filter Nipple
Wyatt Gatling
MSRP: $19.64$19.44V-Twin - 40-1270 - Oil Filter NippleDescriptionOil filter nipple with center thread fitting for front mount filter kit Fits:Special applicationAdditional InformationMSRP: $19.64$19.44 -
V-Twin - 40-0759 - Panhead Rocker Box Oil Line and Gauge Kit - Fits 1963-1969 Harley-Davidson FL
V-Twin Mfg
$267.20Panhead rocker box oil line and gauge kit includes Overhead Valve stainless steel lines and the oil gauge. Fits:FL 1963-1969Additional Information UOM1 -$267.20 -
V-Twin - 40-0349 - Oil Cooler Set Twin Style Billet Chrome
Wyatt Gatling
$169.51V-Twin - 40-0349 - Oil Cooler Set Twin Style Billet ChromeDescriptionBillet twin cooler set features two independent 1-1/8" diameter cooler canisters with 4 billet clamps for mounting to 1" front...$169.51 -
V-Twin - 40-0342 - Oil Cooler Clamp Set
Wyatt Gatling
$56.69V-Twin - 40-0342 - Oil Cooler Clamp SetDescriptionChrome billet oil cooler clamps are used to mount 1-1/8" diameter oil coolers to 1-1/8" frame tube. Fits:Custom application for 1-1/8" diameter oil...$56.69 -
V-Twin - 40-0340 - Dual Oil Cooler
Wyatt Gatling
$123.05V-Twin - 40-0340 - Dual Oil CoolerDescriptionDual oil cooler V style chrome has a nonremovable top bracket. Cooler will mount to front frame tubes.Order clamps separately. Fits:Custom...$123.05 -
V-Twin - 40-0130 - Rocker Box Oil Line Set Chrome
Wyatt Gatling
$46.00V-Twin - 40-0130 - Rocker Box Oil Line Set ChromeDescriptionChrome oil line set for Shovelhead rocker boxes includes fittings and seals, and features an updated fitting design for ease of...$46.00
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.