Engine
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On Sale
Feuling - Cylinder Stud and Head Bolt Kit - fits '99-'16 Twin Cam
MSRP: $434.95Now: $349.99Was: $434.95The Feuling Cylinder Stud and Head Bolt Kit: The strongest studs and bolts available Top engine builders demand quality fasteners. Secure your engine with complete confidence Superior in strength and performance to any other cylinder stud head bolt kit...MSRP: $434.95Now: $349.99Was: $434.95 -
James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution
James Gaskets
$18.95James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution$18.95 -
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 -
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)
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
MSRP: $59.60$57.93Colony - 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 1965-1969MSRP: $59.60$57.93 -
On Sale
Colony - Engine Case Seal - fits '55-'68 FL
Colony Machine
MSRP: $53.20Now: $46.99Was: $51.71Engine case seal .002 oversize. Fits: FL 1955-1968MSRP: $53.20Now: $46.99Was: $51.71 -
Colony - 8107-16 Cadmium Cylinder Base Nuts and Washers fits '29-'52 WL, '57-'85 XL, '32-'73 G Models
Colony Machine
MSRP: $23.67$22.13Colony - 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 1932-1973MSRP: $23.67$22.13 -
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: $15.28Tappet base allen screws. Chrome finish Fits: XL 1957-1984MSRP: $16.98Now: $14.99Was: $15.28 -
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 Mfg
$118.47Chrome Pushrod Cover kit includes upper and lower pushrod covers, seals, springs. Fits: XL 1957-1979 Early 1979$118.47 -
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 Mfg
$492.45Harley Sportster Rocker box cover set with black finish. Fits: XL 2007-2012$492.45 -
Permatex - 80638 - Super Weather Strip Adhesive 2Oz
Permatex
$8.95Permatex - 80638 - Super Weather Strip Adhesive 2OzFeaturesGlobal Trade Item Number: 686226806383A superior adhesive ideal for many applications including rubber, metal, auto or van carpeting and fabric-backed vinyl upholstery and automotive...$8.95 -
Permatex - 29132 - Motoseal 2.7Oz
Permatex
$12.95Permatex - 29132 - Motoseal 2.7OzFeaturesGlobal Trade Item Number: 686226291325Solvent-based bond fully seals within 20 minutesResists gasoline and other damaging fluidsFlexible bond that is highly effective on irregular and uneven joint surfacesIdeal...$12.95 -
Permatex - 59214 - High Temperature Thread Sealant 6Ml
Permatex
$7.95Permatex - 59214 - High Temperature Thread Sealant 6MlFeaturesGlobal Trade Item Number: 686226592149Locks and seal threaded fittingsGreat for fuel, cooling and hydraulic fittingsResists leakage, vibration loosening and moistureWon't shred or wear like...$7.95 -
Permatex - 81878 - Ultra Copper Silicone Gasket Sealant 3Oz
Permatex
$13.95Permatex - 81878 - Ultra Copper Silicone Gasket Sealant 3OzFeaturesGlobal Trade Item Number: 686226818782The most advanced RTV silicon gasket availableThree times more oil resistant than conventional siliconeEight times more flexible than cut...$13.95 -
Permatex - 81343 - Anti-Seize Lubricant 1Oz
Permatex
$6.95Permatex - 81343 - Anti-Seize Lubricant 1OzFeaturesGlobal Trade Item Number: 686226813435A highly refined blend of aluminum, copper and graphite lubricantsPrevents galling, corrosion and seizingGreat for spark plugs, cylinder head bolts and exhaust...$6.95 -
Permatex - 80071 - Anti-Seize Lubricant 4Oz
Permatex
$14.95Permatex - 80071 - Anti-Seize Lubricant 4OzFeaturesGlobal Trade Item Number: 686226800718A highly refined blend of aluminum, copper and graphite lubricantsPrevents galling, corrosion and seizingGreat for spark plugs, cylinder head bolts and exhaust...$14.95 -
Permatex - 80037 - Valve Grinding Compound 3Oz
Permatex
$9.95Permatex - 80037 - Valve Grinding Compound 3OzFeaturesGlobal Trade Item Number: 686226800374Aids in valve grinding and seating operationsCan be used for lapping and grinding chromiumMixes with water to form an easy to use paste$9.95 -
Permatex - 24200 - Medium Strength Threadlocker Blue 6 Ml
Permatex
$9.95Permatex - 24200 - Medium Strength Threadlocker Blue 6 MlFeaturesGlobal Trade Item Number: 686226242006Liquid formula is the standard in the industry, give the protection of security with out the use of lock washers or lock nuts$9.95 -
Permatex - 27100 - High Strength Threadlocker Red 6 Ml
Permatex
$9.95Permatex - 27100 - High Strength Threadlocker Red 6 MlFeaturesGlobal Trade Item Number: 686226271006Liquid formula is the standard in the industry, give the protection of security with out the use of lock washers or lock nuts$9.95 -
Permatex - 82180 - Ultra Black Hi-Temp Rtv Silicone Gasket Maker 3Oz
Permatex
$12.95Permatex - 82180 - Ultra Black Hi-Temp Rtv Silicone Gasket Maker 3OzFeaturesGlobal Trade Item Number: 686226821805Fast-curing formula, sensor safe, low odor, noncorrosiveMeets performance specs of OE silicone gasketsRetains high flexibility, oil...$12.95 -
Permatex - 84101 - 5 Min. General Purpose Epoxy 0.84 Fl. Oz 6/Case
Permatex
$10.95Permatex - 84101 - 5 Min. General Purpose Epoxy 0.84 Fl. Oz 6/CaseFeaturesVersatile, easy to use, general purpose epoxyWorks for ceramic, chrome, fabric, fiberglass, glass, hard plastic, rubber and metalResists most liquidsConvenient 2-part dispensing...$10.95 -
Permatex - 84109 - 4 Min. Multi-Metal Epoxy 0.84 Fl. Oz 6/Case
Permatex
$9.95Permatex - 84109 - 4 Min. Multi-Metal Epoxy 0.84 Fl. Oz 6/CaseFeaturesGlobal Trade Item Number: 686226841094Versatile, easy-to-use, multi-metal epoxy adhesive is two-part adhesive and fillerEliminates the need for welding or brazingSets in four minutes...$9.95 -
Fuel Tool - MC400 - Check Valve Rebuild Tool
Fuel Tool
$129.95Fuel Tool - MC400 - Check Valve Rebuild Tool Features Provides for fast and easy professional installation of check valve O-ring or rebuild kit without having to remove tank from the bike For 2001 and newer fuel injected Harley-Davidson models High...$129.95 -
Kpmi - 20-4171 - Black Diamond Intake Valve Hd Evolution 87-99
KPMI
$29.95Kpmi - 20-4171 - Black Diamond Intake Valve Hd Evolution 87-99FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$29.95 -
Kpmi - 20-20090 - Black Diamond Intake Valve Hd Sporster 883Cc 86-03
KPMI
$37.95Kpmi - 20-20090 - Black Diamond Intake Valve Hd Sporster 883Cc 86-03FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$37.95 -
Kpmi - 20-20092 - Black Diamond Exhaust Valve Hd Sporster 883Cc 86-03
KPMI
$37.95Kpmi - 20-20092 - Black Diamond Exhaust Valve Hd Sporster 883Cc 86-03FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$37.95 -
Kpmi - 20-2013 - Black Diamond Intake Valve Hd Sporster 1200Cc 86-03
KPMI
$30.95Kpmi - 20-2013 - Black Diamond Intake Valve Hd Sporster 1200Cc 86-03FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$30.95 -
Kpmi - 20-2014 - Black Diamond Exhaust Valve Hd Sporster 1200Cc 86-03
KPMI
$30.95Kpmi - 20-2014 - Black Diamond Exhaust Valve Hd Sporster 1200Cc 86-03FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$30.95 -
Kpmi - 20-20055 - Black Diamond Intake Valve Hd Twin Cam 88" 99-04
KPMI
$29.95Kpmi - 20-20055 - Black Diamond Intake Valve Hd Twin Cam 88" 99-04FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$29.95 -
Kpmi - 20-20057 - Black Diamond Exhaust Valve Hd Twin Cam 88" 99-04
KPMI
$29.95Kpmi - 20-20057 - Black Diamond Exhaust Valve Hd Twin Cam 88" 99-04FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$29.95 -
Kpmi - 20-20322 - Black Diamond Intake Valve Hd Twin Cam 88-103" 05-11
KPMI
$37.95Kpmi - 20-20322 - Black Diamond Intake Valve Hd Twin Cam 88-103" 05-11FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$37.95 -
Kpmi - 20-20325 - Black Diamond Exhaust Valve Hd Twin Cam 88-103" 05-11
KPMI
$37.95Kpmi - 20-20325 - Black Diamond Exhaust Valve Hd Twin Cam 88-103" 05-11FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®”...$37.95 -
Kpmi - 20-4170R - Black Diamond Exhaust Valve Hd Evolution 84-99
KPMI
$26.95Kpmi - 20-4170R - Black Diamond Exhaust Valve Hd Evolution 84-99FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$26.95 -
Kpmi - 20-4197 - Black Diamond Exhaust Valve Hd Sportster 57-69
KPMI
$37.55Kpmi - 20-4197 - Black Diamond Exhaust Valve Hd Sportster 57-69FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$37.55
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.