Engine
8832 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 - 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 -
Kibblewhite - 10-HC370 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC370 - 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-HC360 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC360 - 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-HC350 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC350 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as...$14.47 -
Kibblewhite - 20-23550 - Valve Spring Kit - 0.650" Lift - 88"/96"/103" Twin Cam | Buell | XL | XR
Kibblewhite
$373.06Kibblewhite - 20-23550 - Valve Spring Kit - 0.650" Lift - 88"/96"/103" Twin Cam | Buell | XL | XRFeaturesDesigned for its specific application, taking into account several critical parameters...$373.06 -
Kibblewhite - 20-23500 - Valve Spring Kit - 0.650" Lift - 88"/96"/103" Twin Cam | Buell | XL | XR
Kibblewhite
$242.44Kibblewhite - 20-23500 - Valve Spring Kit - 0.650" Lift - 88"/96"/103" Twin Cam | Buell | XL | XRFeaturesDesigned for its specific application, taking into account several critical parameters...$242.44 -
Kibblewhite - 20-21063K - Valve - Exhaust - 1.339" - Inconal® - Oversize - M8
Kibblewhite
$51.57Kibblewhite - 20-21063K - Valve - Exhaust - 1.339" - Inconal® - Oversize - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA...$51.57 -
Kibblewhite - 20-21061H - Valve - Intake - 1.654" - Oversize - M8
Kibblewhite
$36.98Kibblewhite - 20-21061H - Valve - Intake - 1.654" - Oversize - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA 360 anode is...$36.98 -
Kibblewhite - 20-21016H - Valve - Exhaust - 1.264" - Standard - M8
Kibblewhite
$36.98Kibblewhite - 20-21016H - Valve - Exhaust - 1.264" - Standard - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA 360 anode is...$36.98 -
Kb Performance - KB595LCA.005 - Piston Kit - 4.250" +0.005" - 11.8:1 CR - 124" Big Bore - 107" M8
KB Performance
$446.95Kb Performance - KB595LCA.005 - Piston Kit - 4.250" +0.005" - 11.8:1 CR - 124" Big Bore - 107" M8FeaturesUpdates stock 107\Valve pockets are designed to accept up to +4.00 mm oversized intake and...$446.95 -
Kb Performance - KB595LCA.STD - Piston Kit - 4.250" Standard - 11.8:1 CR - 124" Big Bore - 107" M8
KB Performance
$446.95Kb Performance - KB595LCA.STD - Piston Kit - 4.250" Standard - 11.8:1 CR - 124" Big Bore - 107" M8FeaturesUpdates stock 107\Valve pockets are designed to accept up to +4.00 mm oversized intake and...$446.95 -
Kb Performance - KB576LCA.005 - Piston Kit - 4.250" +0.005" - 11.4:1 CR - 124" Big Bore - 107" M8
KB Performance
$446.95Kb Performance - KB576LCA.005 - Piston Kit - 4.250" +0.005" - 11.4:1 CR - 124" Big Bore - 107" M8FeaturesUpdates stock 107\Valve pockets are designed to accept up to +4.00 mm oversized intake and...$446.95 -
Kb Performance - KB542LCA.020 - Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8
KB Performance
$427.95Kb Performance - KB542LCA.020 - Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8FeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall...$427.95 -
Kb Performance - KB662LCA.010 - Piston Kit - 4.125" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc Heads
KB Performance
$390.86Kb Performance - KB662LCA.010 - Piston Kit - 4.125" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of...$390.86 -
Kb Performance - KB662LCA.STD - Piston Kit - 4.125" Standard - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc Heads
KB Performance
$410.95Kb Performance - KB662LCA.STD - Piston Kit - 4.125" Standard - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of...$410.95 -
Kb Performance - KB661LCA.STD - Piston Kit - 4.00" Standard - 10.0:1 CR - 96"-103" Twin Cam Bored to 110 ci w/SE 95 cc Heads
KB Performance
$442.95Kb Performance - KB661LCA.STD - Piston Kit - 4.00" Standard - 10.0:1 CR - 96"-103" Twin Cam Bored to 110 ci w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of...$442.95 -
Kb Performance - KB660LCA.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc Heads
KB Performance
$410.95Kb Performance - KB660LCA.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness...$410.95 -
Kb Performance - KB662C.STD - Piston Kit - 4.125" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 117 CI w/SE 95 cc Heads
KB Performance
$322.95Kb Performance - KB662C.STD - Piston Kit - 4.125" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 117 CI w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two pistons,...$322.95 -
Kb Performance - KB661C.010 - Piston Kit - 4.000" +0.010" - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc Heads
KB Performance
$322.95Kb Performance - KB661C.010 - Piston Kit - 4.000" +0.010" - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two pistons,...$322.95 -
Kb Performance - KB305.040 - Piston Kit
KB Performance
$246.95Kb Performance - KB305.040 - 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 - KB660C.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc Heads
KB Performance
$322.95Kb Performance - KB660C.STD - Piston Kit - 3.875" Standard - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two...$322.95 -
Kb Performance - KB348.010 - Piston Kit - 3.875" +0.010" - 9.3:1 CR - 95" Twin Cam Big Bore
KB Performance
$295.95Kb Performance - KB348.010 - Piston Kit - 3.875" +0.010" - 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 - KB258.030 - Piston Kit
KB Performance
$233.95Kb Performance - KB258.030 - 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 - KB907C.STD - Piston Kit - 3.875" Standard - 9.5:1 CR - 96" to 103" Big Bore |103" Twin Cam
KB Performance
$322.95Kb Performance - KB907C.STD - Piston Kit - 3.875" Standard - 9.5:1 CR - 96" to 103" Big Bore |103" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins,...$322.95 -
Kb Performance - KB906C.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - Big Bore - 95" Twin Cam
KB Performance
$322.95Kb Performance - KB906C.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - Big Bore - 95" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips...$322.95 -
Kb Performance - KB904C.STD - Piston Kit - 3.875" Standard - 9.25:1 CR - Big Bore - 95" Twin Cam
KB Performance
$322.95Kb Performance - KB904C.STD - Piston Kit - 3.875" Standard - 9.25:1 CR - Big Bore - 95" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips...$322.95
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.