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H-D ENGINE PERFORMANCE MODS

Our Go-To High Performance Parts Picks For Harley

Engine Performance Mods for HD

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Feuling 574 Cam Kit For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling 574 Cam Kit For Harley Twin Cam 1999-2006

Feuling 12 Point Primary And Transmission Dress Up Kit For Harley

Vehicle Specific

Feuling 12 Point Primary And Transmission Dress Up Kit For Harley

$199^.⁹⁵$309^.⁹⁵

Feuling Camshaft Installation Kit For Harley

Vehicle Specific

Feuling Camshaft Installation Kit For Harley

$99^.⁹⁵$182^.⁹⁵

S&S Cycle Teardrop Air Cleaner Kit For Super E&G Carburetors

Vehicle Specific

S&S Cycle Teardrop Air Cleaner Kit For Super E&G Carburetors

S&S Cycle Stealth Air Cleaner Kit For Harley

Vehicle Specific

S&S Cycle Stealth Air Cleaner Kit For Harley

$195^.⁹⁵$249^.⁹⁵

Feuling High Flow Camplates For Harley Twin Cam

Vehicle Specific

Feuling High Flow Camplates For Harley Twin Cam

$379^.⁹⁵$399^.⁹⁵

S&S Cycle Oil Filter For Harley

Vehicle Specific

S&S Cycle Oil Filter For Harley

$20^.⁹⁵$23^.⁹⁵

Dynatek Dyna S Single Fire Ignition Kit For Harley 1970-1999

Vehicle Specific

Dynatek Dyna S Single Fire Ignition Kit For Harley 1970-1999

$359^.⁹⁸$399.99

Feuling Outer Crank Sprocket For Harley Big Twin 2006-2026

Vehicle Specific

Feuling Outer Crank Sprocket For Harley Big Twin 2006-2026

Feuling 592 Cam For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 592 Cam For Harley Milwaukee-Eight 2017-2026

Feuling OE+ Cam Plate For Harley

Vehicle Specific

Feuling OE+ Cam Plate For Harley

$309^.⁹⁵$349^.⁹⁵

Feuling OE+ Conversion Camplate For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling OE+ Conversion Camplate For Harley Twin Cam 1999-2006

S&S Cycle Headbolt Kit For Harley 1984-2022

Vehicle Specific

S&S Cycle Headbolt Kit For Harley 1984-2022

Feuling Rocker Box Fastener Kit For Harley

Vehicle Specific

Feuling Rocker Box Fastener Kit For Harley

S&S Cycle Cylinder Studs For Harley

Vehicle Specific

S&S Cycle Cylinder Studs For Harley

Feuling 12 Point Cam Cover / Lifter Block Bolt Kit For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling 12 Point Cam Cover / Lifter Block Bolt Kit For Harley Twin Cam 1999-2017

Feuling Fuel Injector For Harley

Vehicle Specific

Feuling Fuel Injector For Harley

S&S Cycle Cam Inner Needle Bearing For Harley Big Twin

Vehicle Specific

S&S Cycle Cam Inner Needle Bearing For Harley Big Twin

$16^.⁹⁵$21^.⁹⁵

Feuling Internal Engine Fastener Bolt Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Internal Engine Fastener Bolt Kit For Harley Milwaukee-Eight 2017-2026

Feuling 12 Point Rocker Cover Bolt Kit For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling 12 Point Rocker Cover Bolt Kit For Harley Twin Cam 1999-2017

Dynatek Dyna S Dual Fire Ignition Kit For Harley 1970-1999

Vehicle Specific

Dynatek Dyna S Dual Fire Ignition Kit For Harley 1970-1999

Accel EFI Super Coil For Harley Big Twin 2008-2017

Vehicle Specific

Accel EFI Super Coil For Harley Big Twin 2008-2017

$263^.⁶⁸$281.95

S&S Cycle Pushrod Cover O-Ring Kit For Harley 1984-2022

Vehicle Specific

S&S Cycle Pushrod Cover O-Ring Kit For Harley 1984-2022

Accel Solid State Voltage Regulator For Harley

Vehicle Specific

Accel Solid State Voltage Regulator For Harley

$228^.⁹⁵$320^.⁹⁵

Feuling 12 Point External Engine Hardware Kit For Harley

Vehicle Specific

Feuling 12 Point External Engine Hardware Kit For Harley

$219^.⁹⁵$399^.⁹⁵

Feuling 12 Point Cam And Pinion Bolt Kit For Harley Twin Cam / Milwaukee-Eight 1999-2026

Vehicle Specific

Feuling 12 Point Cam And Pinion Bolt Kit For Harley Twin Cam / Milwaukee-Eight 1999-2026

Arlen Ness 10-Gauge Pushrod Covers For Harley

Vehicle Specific

Arlen Ness 10-Gauge Pushrod Covers For Harley

$206^.⁹⁶$229.95

Feuling Adjustable Pushrods For Harley

Vehicle Specific

Feuling Adjustable Pushrods For Harley

$199^.⁹⁵$229^.⁹⁵

S&S Cycle High Output 3 Ohm Single Fire Ignition Coil For Harley

S&S Cycle High Output 3 Ohm Single Fire Ignition Coil For Harley

S&S Cycle Steel Breather Gear Kit For Harley Big Twin

Vehicle Specific

S&S Cycle Steel Breather Gear Kit For Harley Big Twin

$167^.⁹⁵$229^.⁹⁵

Feuling American Flag Derby Cover For Harley Big Twin 1999-2018

Vehicle Specific

Feuling American Flag Derby Cover For Harley Big Twin 1999-2018

Feuling Rocker Arm Shaft Studs and Nuts Bolt Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Rocker Arm Shaft Studs and Nuts Bolt Kit For Harley Milwaukee-Eight 2017-2026

S&S Cycle Rocker Box Gasket Kit For Harley Twin Cam 1999-2017

Vehicle Specific

S&S Cycle Rocker Box Gasket Kit For Harley Twin Cam 1999-2017

S&S Cycle Stealth Air Cleaner Cover Adapter Kit For Harley Touring

Vehicle Specific

S&S Cycle Stealth Air Cleaner Cover Adapter Kit For Harley Touring

Feuling Cylinder Stud Kit For Harley

Vehicle Specific

Feuling Cylinder Stud Kit For Harley

$130^.⁹⁵$239^.⁹⁵

Feuling Outer Roller Cam Chain For Harley Big Twin 2006-2026

Vehicle Specific

Feuling Outer Roller Cam Chain For Harley Big Twin 2006-2026

Feuling Cam Sprocket Spacer Kit For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Cam Sprocket Spacer Kit For Harley Twin Cam 1999-2006

Feuling Liquid Filled Rear Port Oil Pressure Gauge

Feuling Liquid Filled Rear Port Oil Pressure Gauge

Feuling Silent Cam Chain For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Silent Cam Chain For Harley Twin Cam 1999-2006

Feuling 18mm Narrow Band 02 Sensor For Harley V-Rod 2008-2009

Vehicle Specific

Feuling 18mm Narrow Band 02 Sensor For Harley V-Rod 2008-2009

Feuling Oil Pressure Relief Kit For Harley

Vehicle Specific

Feuling Oil Pressure Relief Kit For Harley

$24^.⁹⁵$29^.⁹⁵

Feuling Outer Cam Sprocket For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling Outer Cam Sprocket For Harley Twin Cam 2006-2017

S&S Cycle Rocker Arm Shafts For Harley 1984-2022

Vehicle Specific

S&S Cycle Rocker Arm Shafts For Harley 1984-2022

S&S Cycle Head Gaskets For Harley 1984-2003

Vehicle Specific

S&S Cycle Head Gaskets For Harley 1984-2003

Feuling Coolant Sensor For Harley Touring / V-Rod 2002-2017

Vehicle Specific

Feuling Coolant Sensor For Harley Touring / V-Rod 2002-2017

Feuling Inner Roller Cam Chain For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling Inner Roller Cam Chain For Harley Twin Cam 2006-2017

Feuling Viton Valve Seals For Harley

Vehicle Specific

Feuling Viton Valve Seals For Harley

$15^.⁹⁵$19^.⁹⁵

No Image Available

Vehicle Specific

S&S Cycle Super E Carburetor Kit For Harley Evo Sportster 2004-2006 [Blemished - Good]

$636^.⁷⁶$653.95

S&S Cycle Teardrop Air Cleaner Kit For Harley CV

Vehicle Specific

S&S Cycle Teardrop Air Cleaner Kit For Harley CV

$395^.⁹⁵$399^.⁹⁵

S&S Cycle 509 Cam Kit For Harley Twin Cam 1999-2006

Vehicle Specific

S&S Cycle 509 Cam Kit For Harley Twin Cam 1999-2006

$399^.⁹⁵$948^.⁹⁵

S&S Cycle 510 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Open Box]

Vehicle Specific

S&S Cycle 510 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Open Box]

$359^.⁹⁶$399.95

James Engine Gasket Set For Harley Shovelhead 1966-1984

Vehicle Specific

James Engine Gasket Set For Harley Shovelhead 1966-1984

S&S Cycle 510 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Blemished - Good]

Vehicle Specific

S&S Cycle 510 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Blemished - Good]

$319^.⁹⁶$352.95

Feuling Liquid Filled Bottom Port Oil Pressure Gauge

Feuling Liquid Filled Bottom Port Oil Pressure Gauge

S&S Cycle Engine Stand For Harley

Vehicle Specific

S&S Cycle Engine Stand For Harley

S&S Cycle Intake Manifold For S&S Cycle Carburetor For Harley

Vehicle Specific

S&S Cycle Intake Manifold For S&S Cycle Carburetor For Harley

James Engine Gasket Set For Harley Panhead 1948-1965

Vehicle Specific

James Engine Gasket Set For Harley Panhead 1948-1965

S&S Cycle 583 Easy Start Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 583 Easy Start Cam Kit For Harley Twin Cam

$540^.⁹⁵$1,070^.⁹⁵

Feuling OE+ Hydraulic Cam Chain Conversion Camchest Kits For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling OE+ Hydraulic Cam Chain Conversion Camchest Kits For Harley Twin Cam 1999-2006

$199 in Rewards

S&S Cycle 583 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 583 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

Feuling Outer Cam Bearings For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Outer Cam Bearings For Harley Twin Cam 1999-2006

$50^.⁹⁵$69^.⁹⁵

Feuling 543 Cam Kit For Harley

Vehicle Specific

Feuling 543 Cam Kit For Harley

Drag Specialties Replacement Rocker Arms With Bushings For Harley 1984-2022

Vehicle Specific

Drag Specialties Replacement Rocker Arms With Bushings For Harley 1984-2022

Feuling Highflow Camplate and HP+/Race Series Oil Pump Bolt Kit For Harley

Vehicle Specific

Feuling Highflow Camplate and HP+/Race Series Oil Pump Bolt Kit For Harley

Drag Specialties Pushrod Tube Cover Kit For Harley

Vehicle Specific

Drag Specialties Pushrod Tube Cover Kit For Harley

S&S Cycle 106" Big Bore Kit For Harley Big Twin 2007-2017

Vehicle Specific

S&S Cycle 106" Big Bore Kit For Harley Big Twin 2007-2017

$1,219^.⁹⁵$1,287^.⁹⁵

$137 in Rewards

S&S Cycle MR103 Easy Start Cam Kit For Harley Twin Cam 2006-2017

Vehicle Specific

S&S Cycle MR103 Easy Start Cam Kit For Harley Twin Cam 2006-2017

$540^.⁹⁵$1,070^.⁹⁵

No Image Available

Vehicle Specific

S&S Cycle Stealth Air Cleaner Cover Adapter Kit For Harley Milwaukee-Eight 2017-2026 [Blemished - Good]

S&S Cycle TC3 Oil Pump For Harley Twin Cam

Vehicle Specific

S&S Cycle TC3 Oil Pump For Harley Twin Cam

S&S Cycle 585CEZ Easy Start Camchest Kit For Harley Twin Cam 2006-2017

Vehicle Specific

S&S Cycle 585CEZ Easy Start Camchest Kit For Harley Twin Cam 2006-2017

$226 in Rewards

Accel Single / Dual Fire Ignition Module For Harley 1970-1999

Vehicle Specific

Accel Single / Dual Fire Ignition Module For Harley 1970-1999

S&S Cycle MR103 Cam Kit For Harley Twin Cam 2006-2017

Vehicle Specific

S&S Cycle MR103 Cam Kit For Harley Twin Cam 2006-2017

S&S Cycle 551 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Open Box]

Vehicle Specific

S&S Cycle 551 Cam Kit For Harley Twin Cam 1999-2006 Chain Drive Cams [Open Box]

$377^.⁰⁶$418.95

Feuling Camshafts For Harley EVO 1984-1999

Vehicle Specific

Feuling Camshafts For Harley EVO 1984-1999

Feuling 18mm Narrow Band 02 Sensor For Harley Sportster, Touring 2007-2013

Vehicle Specific

Feuling 18mm Narrow Band 02 Sensor For Harley Sportster, Touring 2007-2013

S&S Cycle 124" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 124" Big Bore Kit For Harley 107" Milwaukee-Eight 2017-2026

$179 in Rewards

S&S Cycle 561 Cam For Harley Big Twin Evo 1984-1999

Vehicle Specific

S&S Cycle 561 Cam For Harley Big Twin Evo 1984-1999

Feuling 12 Point Lifter Block Bolt Kit For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling 12 Point Lifter Block Bolt Kit For Harley Twin Cam 1999-2017

S&S Cycle Cam Bearing Plate For Harley Twin Cam 1999-2006

Vehicle Specific

S&S Cycle Cam Bearing Plate For Harley Twin Cam 1999-2006

Feuling Cam Plate Bearing Retainer For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Cam Plate Bearing Retainer For Harley Twin Cam 1999-2006

$9^.⁹⁵

S&S Cycle Sidewinder Valve Spring Kits For Harley

Vehicle Specific

S&S Cycle Sidewinder Valve Spring Kits For Harley

$254^.⁹⁵$257^.⁹⁵

S&S Cycle 551 Easy Start Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 551 Easy Start Cam Kit For Harley Twin Cam

$540^.⁹⁵$1,070^.⁹⁵

S&S Cycle Oil Pump Kit For Harley Big Twin

Vehicle Specific

S&S Cycle Oil Pump Kit For Harley Big Twin

S&S Cycle Cylinder Heads For Harley Big Twin Evo 1984-1999

Vehicle Specific

S&S Cycle Cylinder Heads For Harley Big Twin Evo 1984-1999

$171 in Rewards

S&S Cycle HP103 Cam Kit For Harley Twin Cam 2006-2017

Vehicle Specific

S&S Cycle HP103 Cam Kit For Harley Twin Cam 2006-2017

$418^.⁹⁵$880^.⁹⁵

S&S Cycle Crankcase Breather Valve For Harley Twin Cam

Vehicle Specific

S&S Cycle Crankcase Breather Valve For Harley Twin Cam

$152^.⁹⁵$163^.⁹⁵

S&S Cycle 124" Power Package For Harley Oil Cooled 107" Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 124" Power Package For Harley Oil Cooled 107" Milwaukee-Eight 2017-2026

$3,265^.⁹⁵$3,460^.⁹⁵

$342 in Rewards

S&S Cycle 124" Power Package For Harley Oil Cooled 107" Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 124" Power Package For Harley Oil Cooled 107" Milwaukee-Eight 2017-2026

$3,265^.⁹⁵$3,695^.⁹⁵

$342 in Rewards

S&S Cycle Power Package For Harley Twin Water Cooled 107" Milwaukee-Eight 2017-2024

Vehicle Specific

S&S Cycle Power Package For Harley Twin Water Cooled 107" Milwaukee-Eight 2017-2024

$3,265^.⁹⁵$3,460^.⁹⁵

$342 in Rewards

Feuling OE+ Camplate For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling OE+ Camplate For Harley Milwaukee-Eight 2017-2026

S&S Cycle 520 Cam For Harley Big Twin Evo 1984-1999

Vehicle Specific

S&S Cycle 520 Cam For Harley Big Twin Evo 1984-1999

Feuling Offset Sandwich Oil Cooler Adapter For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling Offset Sandwich Oil Cooler Adapter For Harley Twin Cam 1999-2017

$179^.⁹⁵$199^.⁹⁵

Feuling Fuel Pressure Regulator For Harley Touring 1998-2001

Vehicle Specific

Feuling Fuel Pressure Regulator For Harley Touring 1998-2001

S&S Cycle Head Gaskets For Harley Twin Cam 1999-2017

Vehicle Specific

S&S Cycle Head Gaskets For Harley Twin Cam 1999-2017

Hayden Oil Fix Base Gasket Kit For Harley EVO 1984-2000

Vehicle Specific

Hayden Oil Fix Base Gasket Kit For Harley EVO 1984-2000

$40^.⁴⁶$44.95

Feuling Chain Tensioner Pins For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Chain Tensioner Pins For Harley Twin Cam 1999-2006

1 2 3 of 3

$39.99/yr.

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