Engine
8284 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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Kibblewhite - 20-4169 - Valve - Intake - 1.940" - Oversize - Branch Heads - Evolution Big Twin
Kibblewhite
$37.55Kibblewhite - 20-4169 - Valve - Intake - 1.940" - Oversize - Branch Heads - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with ...$37.55 -
Kibblewhite - 20-2098 - Cylinder Studs - Evolution
Kibblewhite
MSRP: $187.95$187.44Kibblewhite - 20-2098 - Cylinder Studs - EvolutionFeaturesThe complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivityA...MSRP: $187.95$187.44 -
Kibblewhite - 83070-4 - Cylinder Dowels - Big Twin - XL
Kibblewhite
$7.23Kibblewhite - 83070-4 - Cylinder Dowels - Big Twin - XLFeaturesCNC-machined dowels used for locating cylinder headMade in the U.S.A.Replacement Part for OEM Number(s): 1657383,1657383ASpecs$7.23 -
Kibblewhite - 20-4170 - Valve - Intake - 1.615" - Standard - Evolution Big Twin
Kibblewhite
$29.81Kibblewhite - 20-4170 - Valve - Intake - 1.615" - Standard - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and...$29.81 -
Kibblewhite - 20-4321 - Valve Guide - Intake/Exhaust - 0.5630" OD - Evolution Big Twin | Twin Cam | XL
Kibblewhite
$37.93Kibblewhite - 20-4321 - Valve Guide - Intake/Exhaust - 0.5630" OD - Evolution Big Twin | Twin Cam | XLFeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead...$37.93 -
Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$9.71Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of...$9.71 -
Kibblewhite - 20-4321C - Valve Guide - Intake/Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$9.71Kibblewhite - 20-4321C - Valve Guide - Intake/Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of...$9.71 -
Kibblewhite - 20-4171 - Valve - Intake - 1.840" - Standard - Evolution Big Twin
Kibblewhite
$29.81Kibblewhite - 20-4171 - Valve - Intake - 1.840" - Standard - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and...$29.81 -
Kibblewhite - 20-4195 - Valve - Exhaust - 1.750" - Standard - Panhead | Shovelhead
Kibblewhite
$35.22Kibblewhite - 20-4195 - Valve - Exhaust - 1.750" - Standard - Panhead | ShovelheadFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth...$35.22 -
Kb Performance - KB411.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - 95" Twin Cam Big Bore
KB Performance
$307.95Kb Performance - KB411.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a...$307.95 -
Kb Performance - KB411.005 - Piston Kit - 3.875" +0.005" - 10.5:1 CR - 95" Twin Cam Big Bore
KB Performance
$307.95Kb Performance - KB411.005 - Piston Kit - 3.875" +0.005" - 10.5:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter...$307.95 -
Kb Performance - KB348.005 - Piston Kit - 3.875" +0.005" - 9.3:1 CR - 95" Twin Cam Big Bore
KB Performance
$295.95Kb Performance - KB348.005 - Piston Kit - 3.875" +0.005" - 9.3:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter...$295.95 -
Kb Performance - KB305.STD - Piston Kit - Evolution
KB Performance
$246.95Kb Performance - KB305.STD - Piston Kit - EvolutionFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring...$246.95 -
Kb Performance - KB305.010 - Piston Kit - Evolution
KB Performance
$246.95Kb Performance - KB305.010 - Piston Kit - EvolutionFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring...$246.95 -
Kb Performance - KB272.020 - Piston Kit - 3.498" +0.020" - 10.0:1 CR - XL883 to 1200 Conversion
KB Performance
$246.95Kb Performance - KB272.020 - Piston Kit - 3.498" +0.020" - 10.0:1 CR - XL883 to 1200 ConversionFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a...$246.95 -
Kb Performance - KB266.005 - Piston Kit
KB Performance
$246.95Kb Performance - KB266.005 - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$246.95 -
Kb Performance - KB266.020 - Piston Kit
KB Performance
$246.95Kb Performance - KB266.020 - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$246.95 -
Kb Performance - KB258.010 - Piston Kit
KB Performance
$233.95Kb Performance - KB258.010 - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$233.95 -
Kb Performance - KB258.020 - Piston Kit
KB Performance
$233.95Kb Performance - KB258.020 - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$233.95 -
Kb Performance - KB266.STD - Piston Kit
KB Performance
$246.95Kb Performance - KB266.STD - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$246.95 -
Kb Performance - KB258.005 - Piston Kit
KB Performance
$233.95Kb Performance - KB258.005 - Piston KitFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined...$233.95 -
Kibblewhite - 20-21040 - Cylinder Studs - M8
Kibblewhite
MSRP: $171.95$171.82Kibblewhite - 20-21040 - Cylinder Studs - M8FeaturesThe complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivityA...MSRP: $171.95$171.82 -
Kibblewhite - 20-21045 - Rocker Arm Stud/Nut Kit - Rocker - M8
Kibblewhite
MSRP: $129.95$129.56Kibblewhite - 20-21045 - Rocker Arm Stud/Nut Kit - Rocker - M8 Features Nuts are machined from billet high-tensile steel and heat treated All are black oxide-treated for enhanced corrosion...MSRP: $129.95$129.56 -
Kibblewhite - 41007-4 - Rocker Stud Nut - M8
Kibblewhite
$24.05Kibblewhite - 41007-4 - Rocker Stud Nut - M8 Features Replacement nuts (5/16" - 24) for Kibblewhite Rocker Arm Shaft Stud and Nut Kit Specs$24.05 -
Kibblewhite - 20-20412 - Cylinder Studs - Twin Cam
Kibblewhite
MSRP: $187.95$187.44Kibblewhite - 20-20412 - Cylinder Studs - Twin CamFeaturesThe complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivityA...MSRP: $187.95$187.44 -
Kibblewhite - 83080-4 - Cylinder Dowels - Twin Cam
Kibblewhite
$13.01Kibblewhite - 83080-4 - Cylinder Dowels - Twin CamFeaturesCNC-machined dowels used for locating cylinder headMade in the U.S.A.Replacement Part for OEM Number(s): 1659599,1659599ASpecs$13.01 -
Kodlin Usa - K25411 - NXL Point Cover - Black - M8
Kodlin
$69.99Kodlin Usa - K25411 - NXL Point Cover - Black - M8 Features Ultra high end performance covers Made from black anodized CNC machined billet aluminum with brushed stainless steel cover Specs$69.99 -
Kodlin Usa - K25409 - NXL Derby Cover - Black - M8 Touring
Kodlin
$169.99Kodlin Usa - K25409 - NXL Derby Cover - Black - M8 Touring Features Ultra high end performance covers Made from black anodized CNC machined billet aluminum with brushed stainless steel...$169.99 -
Kibblewhite - 71030-4 - Valve Stem Seal - Twin Cam
Kibblewhite
$10.26Kibblewhite - 71030-4 - Valve Stem Seal - Twin Cam Features Solid Viton™ and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress...$10.26 -
Kibblewhite - 20-24400 - Beehive Spring Kit - 0.640" Lift - M8 | CVO
Kibblewhite
$577.62Kibblewhite - 20-24400 - Beehive Spring Kit - 0.640" Lift - M8 | CVOFeaturesProgressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot...$577.62 -
Kibblewhite - 20-23800 - Dual Spring Kit - M8
Kibblewhite
$634.37Kibblewhite - 20-23800 - Dual Spring Kit - M8FeaturesDesigned for maximum performanceFeatures interference-wound, double-chrome silicone springs; heat-treated steel base washersAll spring kits should...$634.37 -
Kibblewhite - 20-24350 - Beehive Spring Kit - 0.640" Lift - M8 | CVO
Kibblewhite
$679.91Kibblewhite - 20-24350 - Beehive Spring Kit - 0.640" Lift - M8 | CVOFeaturesProgressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot...$679.91 -
Kibblewhite - 20-23400 - Dual Shim Spring Kit - M8
Kibblewhite
$661.11Kibblewhite - 20-23400 - Dual Shim Spring Kit - M8FeaturesDesigned for maximum performanceFeatures interference-wound, double-chrome silicone springs; heat-treated steel base washersAll spring kits...$661.11 -
Kibblewhite - 10-HC541 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC541 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 20-23450 - Dual Shim Spring Kit - M8
Kibblewhite
$546.73Kibblewhite - 20-23450 - Dual Shim Spring Kit - M8FeaturesDesigned for maximum performanceFeatures interference-wound, double-chrome silicone springs; heat-treated steel base washersAll spring kits...$546.73 -
Kibblewhite - 10-HC526 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC526 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 10-HC518 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC518 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 10-HC478 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC478 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 10-HC446 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC446 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 10-HC440 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC440 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.