Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
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 -
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 - 20-4194 - Black Diamond Intake Valve Hd Shovelhead 78-83
KPMI
$31.01Kpmi - 20-4194 - Black Diamond Intake Valve Hd Shovelhead 78-83FeaturesAll 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...$31.01 -
Kpmi - 20-4195 - Black Diamond Exhaust Valve Hd Shovelhead 78-83
KPMI
$31.01Kpmi - 20-4195 - Black Diamond Exhaust Valve Hd Shovelhead 78-83FeaturesAll 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...$31.01 -
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 - 20-20326R - Black Diamond Exhaust Valve Hd Twin Cam 88-103" 05-10
KPMI
$37.95Kpmi - 20-20326R - Black Diamond Exhaust Valve Hd Twin Cam 88-103" 05-10FeaturesAll 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 - 20-4171R - Black Diamond Intake Valve Hd Evolution 84-99
KPMI
$29.81Kpmi - 20-4171R - Black Diamond Intake 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...$29.81 -
Kpmi - 20-20323R - Black Diamond Intake Valve Hd Twin Cam 88-103" 05-10
KPMI
$37.95Kpmi - 20-20323R - Black Diamond Intake Valve Hd Twin Cam 88-103" 05-10FeaturesAll 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 - 20-20132 - Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88"
KPMI
$148.95Kpmi - 20-20132 - Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88"FeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs...$148.95 -
Kpmi - 20-20364 - Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88-103"
KPMI
$142.95Kpmi - 20-20364 - Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88-103"FeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life...$142.95 -
Kpmi - 20-20360 - Spring Kit .600 Lift Tc '05-10 Evo Sportster '04-11
KPMI
$247.95Kpmi - 20-20360 - Spring Kit .600 Lift Tc '05-10 Evo Sportster '04-11FeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs are...$247.95 -
Kpmi - 20-2104 - Exhaust Spigot Hd Panhead
KPMI
$11.50Kpmi - 20-2104 - Exhaust Spigot Hd PanheadFeaturesReplacement exhaust spigot has been designed and machined from 6061-T6 Aluminum extruded tubingThis spigot allows you to rebuild the exhaust attachment point on you classic Panhead engine$11.50 -
Kpmi - 20-2050 - Guide Intake Std Bronze Hd Shovelhead 78-83
KPMI
$34.40Kpmi - 20-2050 - Guide Intake Std Bronze Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1978-1983Harley DavidsonFXE Super Glide1979-1981Harley...$34.40 -
Kpmi - 20-2051C - Guide Intake +0.001 Cast Iron Hd Shovelhead 78-83
KPMI
$8.95Kpmi - 20-2051C - Guide Intake +0.001 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1978-1983Harley DavidsonFXE Super...$8.95 -
Kpmi - 20-4320 - Guide In / Ex Std. Bronze Hd Evolution 87-99
KPMI
$37.93Kpmi - 20-4320 - Guide In / Ex Std. Bronze Hd Evolution 87-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley DavidsonFXR...$37.93 -
Kpmi - 20-4320C - Guide In / Ex Std. Cast Iron Hd Evolution 87-99
KPMI
$8.95Kpmi - 20-4320C - Guide In / Ex Std. Cast Iron Hd Evolution 87-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley DavidsonFXR...$8.95 -
Kpmi - 20-4321C - Guide In / Ex +0.001 Cast Iron Hd Evolution 87-99
KPMI
$8.95Kpmi - 20-4321C - Guide In / Ex +0.001 Cast Iron Hd Evolution 87-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$8.95 -
Kpmi - 20-20690 - Guide Intake Std Bronze Hd Twin Cam 88-103" 05-11
KPMI
$29.60Kpmi - 20-20690 - Guide Intake Std Bronze Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$29.60 -
Kpmi - 20-20690C - Guide Intake Std Cast Iron Hd Twin Cam 88-103" 05-11
KPMI
$11.95Kpmi - 20-20690C - Guide Intake Std Cast Iron Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$11.95 -
Kpmi - 20-20691 - Guide Intake +0.001 Bronze Hd Twin Cam 88-103" 05-11
KPMI
$29.60Kpmi - 20-20691 - Guide Intake +0.001 Bronze Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$29.60 -
Kpmi - 20-20700 - Guide Exhaust Std Bronze Hd Twin Cam 88-103" 05-11
KPMI
$29.60Kpmi - 20-20700 - Guide Exhaust Std Bronze Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$29.60 -
Kpmi - 20-20701C - Guide Exhaust +0.001 Cast Iron Hd Twin Cam 88-103" 05-11
KPMI
$11.95Kpmi - 20-20701C - Guide Exhaust +0.001 Cast Iron Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic...$11.95 -
Kpmi - 20-2060C - Guide Exhaust Std Cast Iron Hd Shovelhead 78-83
KPMI
$8.95Kpmi - 20-2060C - Guide Exhaust Std Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1978-1983Harley DavidsonFXE Super Glide1979-1981Harley...$8.95 -
Kpmi - 20-2061C - Guide Exhaust +0.001 Cast Iron Hd Shovelhead 78-83
KPMI
$8.95Kpmi - 20-2061C - Guide Exhaust +0.001 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1978-1983Harley DavidsonFXE Super...$8.95 -
Kpmi - 20-2030 - Guide Ex Std Bronze Hd Pan 48-65 & Shovel 66-77
KPMI
$34.40Kpmi - 20-2030 - Guide Ex Std Bronze Hd Pan 48-65 & Shovel 66-77FeaturesFitment1974-1977Harley DavidsonFXE Super Glide1977Harley DavidsonFXS Low Rider1955-1964, 1970-1977Harley DavidsonFLH Electra Glide$34.40 -
Kpmi - 20-2031 - Guide Ex +0.001 Bronze Hd Pan 48-65 & Shovel 66-77
KPMI
$34.40Kpmi - 20-2031 - Guide Ex +0.001 Bronze Hd Pan 48-65 & Shovel 66-77$34.40 -
Kpmi - 20-2031C - Guide Ex +0.001 Cast Iron Hd Pan 48-65 & Shovel 66-77
KPMI
$8.95Kpmi - 20-2031C - Guide Ex +0.001 Cast Iron Hd Pan 48-65 & Shovel 66-77$8.95 -
Kpmi - 20-2032C - Guide Ex +0.002 Cast Iron Hd Pan 48-65 & Shovel 66-77
KPMI
$8.95Kpmi - 20-2032C - Guide Ex +0.002 Cast Iron Hd Pan 48-65 & Shovel 66-77$8.95
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.