Engine
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Out of stock
Cometic - C9750F - Complete Est Gasket Evo Big Twin Kit
Cometic
$353.56Cometic - C9750F - Complete Est Gasket Evo Big Twin KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$353.56 -
Out of stock
Cometic - C9751F - Complete Est Gasket Evo Big Twin Kit
Cometic
$353.56Cometic - C9751F - Complete Est Gasket Evo Big Twin KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$353.56 -
Out of stock
Cometic - C9759 - Top End Est Gasket Evo Sportster Kit Oe#17032-86A
Cometic
$140.45Cometic - C9759 - Top End Est Gasket Evo Sportster Kit Oe#17032-86AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9761 - Top End Est Gasket Evo Sportster Kit Oe#17032-86A
Cometic
$140.45Cometic - C9761 - Top End Est Gasket Evo Sportster Kit Oe#17032-86AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9763 - Top End Est Gasket Evo Sportster Kit Oe#17032-91
Cometic
$140.45Cometic - C9763 - Top End Est Gasket Evo Sportster Kit Oe#17032-91FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9764 - Rocker Box Gasket Evo Sportster Kit Oe#17026-91A
Cometic
$63.18Cometic - C9764 - Rocker Box Gasket Evo Sportster Kit Oe#17026-91AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$63.18 -
Out of stock
Cometic - C9765 - Rocker Box Gasket Evo Sportster Kit Oe#17036-91
Cometic
$63.18Cometic - C9765 - Rocker Box Gasket Evo Sportster Kit Oe#17036-91FeaturesGlobal Trade Item Number: 191070015770At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials,...$63.18 -
Out of stock
Cometic - C9789 - Top End Est Gasket Twin Cam Kit
Cometic
$147.43Cometic - C9789 - Top End Est Gasket Twin Cam KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$147.43 -
Out of stock
Cometic - C9846F - Complete Est Gasket Evo Big Twin Kit Oe#17041-92-A
Cometic
$353.56Cometic - C9846F - Complete Est Gasket Evo Big Twin Kit Oe#17041-92-AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$353.56 -
Out of stock
Cometic - C9854F - Top End Est Gasket Evo Sportster Kit Oe#17032-86B
Cometic
$140.45Cometic - C9854F - Top End Est Gasket Evo Sportster Kit Oe#17032-86BFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$140.45 -
Out of stock
Cometic - C9910 - Head Gasket .030" Twin Cam 2/Pk
Cometic
$59.50Cometic - C9910 - Head Gasket .030" Twin Cam 2/PkFeaturesGlobal Trade Item Number: 191070016951At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing...$59.50 -
Out of stock
Cometic - C9920 - Complete Est Gasket Twin Cam Kit
Cometic
$207.99Cometic - C9920 - Complete Est Gasket Twin Cam KitFeaturesFitment1999-2006Harley DavidsonFLHR Road King1999-2006Harley DavidsonF$207.99 -
Out of stock
Cometic - C9942F1 - Primary Spacer Gasket Big Twin Softail Pair Oe#63859-95A
Cometic
$2.94Cometic - C9942F1 - Primary Spacer Gasket Big Twin Softail Pair Oe#63859-95AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$2.94 -
Out of stock
Cometic - C9944F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90D
Cometic
$10.01Cometic - C9944F1 - Sportster Cam Cover Gasket Sportster 1/Pk Oe#25263-90DFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$10.01 -
Out of stock
Cometic - C9951-051 - Top End Est Gasket Twin Cam Kit
Cometic
$147.43Cometic - C9951-051 - Top End Est Gasket Twin Cam KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$147.43 -
Out of stock
Cometic - C9955 - Tappet Block Gasket .032" Evo Sportster 2/Pk Oe#17976-04
Cometic
$11.74Cometic - C9955 - Tappet Block Gasket .032" Evo Sportster 2/Pk Oe#17976-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$11.74 -
Out of stock
Cometic - C9970 - Top End Est Gasket Evo Sportster Kit Oe#17049-04
Cometic
$140.45Cometic - C9970 - Top End Est Gasket Evo Sportster Kit Oe#17049-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9971 - Top End Est Gasket Evo Sportster Kit Oe#17049-04
Cometic
$140.45Cometic - C9971 - Top End Est Gasket Evo Sportster Kit Oe#17049-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9976-030 - Top End Est Gasket Twin Cam Kit
Cometic
$147.46Cometic - C9976-030 - Top End Est Gasket Twin Cam KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$147.46 -
Out of stock
Kpmi - 20-20090 - Black Diamond Intake Valve Hd Sporster 883Cc 86-03
Kibblewhite
$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...$37.95 -
Out of stock
Kpmi - 20-2014 - Black Diamond Exhaust Valve Hd Sporster 1200Cc 86-03
Kibblewhite
$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...$30.95 -
Out of stock
Kpmi - 20-4257 - Black Diamond Intake Valve Hd Panhead 48-65
Kibblewhite
$30.95Kpmi - 20-4257 - Black Diamond Intake Valve Hd Panhead 48-65FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface...$30.95 -
Out of stock
Kpmi - 20-20326R - Black Diamond Exhaust Valve Hd Twin Cam 88-103" 05-10
Kibblewhite
$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...$37.95 -
Out of stock
Kpmi - 20-4196 - Black Diamond Intake Valve Hd Sportster 70-83
Kibblewhite
$37.55Kpmi - 20-4196 - Black Diamond Intake Valve Hd Sportster 70-83FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface...$37.55 -
Out of stock
Kpmi - 20-20122 - Spring Kit .600 Lift Hd Twin Cam
Kibblewhite
$280.95Kpmi - 20-20122 - Spring Kit .600 Lift Hd Twin CamFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure...$280.95 -
Out of stock
Kpmi - 20-2050C - Guide Intake Std Cast Iron Hd Shovelhead 78-83
Kibblewhite
$9.71Kpmi - 20-2050C - Guide Intake Std Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Har$9.71 -
Out of stock
Kpmi - 20-4321 - Guide In / Ex +0.001 Bronze Hd Evolution 87-99
Kibblewhite
$37.93Kpmi - 20-4321 - Guide In / Ex +0.001 Bronze Hd Evolution 87-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley David$37.93 -
Out of stock
Kpmi - 20-20700C - Guide Exhaust Std Cast Iron Hd Twin Cam 88-103" 05-11
Kibblewhite
$11.95Kpmi - 20-20700C - Guide Exhaust Std Cast Iron Hd Twin Cam 88-103" 05-11FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016<$11.95 -
Out of stock
Kpmi - 20-2031C - Guide Ex +0.001 Cast Iron Hd Pan 48-65 & Shovel 66-77
Kibblewhite
$9.71Kpmi - 20-2031C - Guide Ex +0.001 Cast Iron Hd Pan 48-65 & Shovel 66-77$9.71 -
Out of stock
Kpmi - 20-2033 - Guide Ex +0.003 Bronze Hd Pan 48-65 & Shovel 66-77
Kibblewhite
$34.40Kpmi - 20-2033 - Guide Ex +0.003 Bronze Hd Pan 48-65 & Shovel 66-77$34.40 -
Out of stock
Kpmi - 20-2064C - Guide Ex +0.004 Cast Iron Hd Shovelhead 78-83
Kibblewhite
$9.71Kpmi - 20-2064C - Guide Ex +0.004 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harl$9.71 -
Out of stock
Kpmi - 20-20702C - Guide Ex +.002 Cast Iron Hd Twin Cam 88-103 2005-13
Kibblewhite
$11.95Kpmi - 20-20702C - Guide Ex +.002 Cast Iron Hd Twin Cam 88-103 2005-13FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016$11.95 -
Out of stock
Kpmi - 20-2130C - Guide Ex Std Cast Iron Hd Evo 84-99 Sportster 86-03
Kibblewhite
$8.95Kpmi - 20-2130C - Guide Ex Std Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley$8.95 -
Out of stock
Kpmi - 20-4322C - Guide In / Ex +0.002 Iron Hd Evo 84-99
Kibblewhite
$9.71Kpmi - 20-4322C - Guide In / Ex +0.002 Iron Hd Evo 84-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley Davidson$9.71 -
Out of stock
Kpmi - 20-4323 - Guide In / Ex +0.003 Bronze Hd Evo 84-99
Kibblewhite
$37.93Kpmi - 20-4323 - Guide In / Ex +0.003 Bronze Hd Evo 84-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley Davidson$37.93 -
Out of stock
Kpmi - 20-4323C - Guide In / Ex +0.003 Ron Hd Evo 84-99
Kibblewhite
$9.71Kpmi - 20-4323C - Guide In / Ex +0.003 Ron Hd Evo 84-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley Davidson$9.71 -
Out of stock
Kpmi - 20-20692C - Guide In +.002 Cast Iron Hd Twin Cam 88"-103" 05-13
Kibblewhite
$11.95Kpmi - 20-20692C - Guide In +.002 Cast Iron Hd Twin Cam 88"-103" 05-13FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016$11.95 -
Out of stock
Kpmi - 20-2120 - Guide Intake Std Bronze Hd Evo 84-99 Sportster 86-03
Kibblewhite
$31.71Kpmi - 20-2120 - Guide Intake Std Bronze Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley$31.71 -
Out of stock
Kpmi - 20-2120C - Guide Intake Std Cast Iron Hd Evo 84-99 Sportster 86-03
Kibblewhite
$9.71Kpmi - 20-2120C - Guide Intake Std Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Ha$9.71 -
Out of stock
Kpmi - 20-2121C - Guide Intake +0.001 Cast Iron Hd Evo 84-99 Sportster 86-03
Kibblewhite
$9.71Kpmi - 20-2121C - Guide Intake +0.001 Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004$9.71
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.