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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 HP+ Oiling System For Harley

Vehicle Specific

Feuling HP+ Oiling System For Harley

$819^.⁹⁵$1,029^.⁹⁵

S&S Cycle TC3 Cam Plate For Harley Twin Cam

Vehicle Specific

S&S Cycle TC3 Cam Plate For Harley Twin Cam

S&S Cycle 883 To 1200 Conversion Kit For Harley Sportster 1986-2021

Vehicle Specific

S&S Cycle 883 To 1200 Conversion Kit For Harley Sportster 1986-2021

S&S Cycle Power Package For Harley Milwaukee-Eight 107"

Vehicle Specific

S&S Cycle Power Package For Harley Milwaukee-Eight 107"

$3,294^.⁹⁵$3,497^.⁹⁵

$180 in Rewards

S&S Cycle Complete Pushrod And Tube Kit For Harley

Vehicle Specific

S&S Cycle Complete Pushrod And Tube Kit For Harley

$249^.⁹⁵$326^.⁹⁵

S&S Cycle 465 Cam Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 465 Cam Kit For Harley Milwaukee-Eight 2017-2026

$299^.⁹⁵$465^.⁹⁵

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

Feuling 465 Reaper Camshaft For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 465 Reaper Camshaft For Harley Milwaukee-Eight 2017-2026

S&S Cycle 475 Cam Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 475 Cam Kit For Harley Milwaukee-Eight 2017-2026

$299^.⁹⁵$465^.⁹⁵

S&S Cycle 128" Big Bore Kit For Harley 114" / 117" Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 128" Big Bore Kit For Harley 114" / 117" Milwaukee-Eight 2017-2026

S&S Cycle 550 Cam Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle 550 Cam Kit For Harley Milwaukee-Eight 2017-2026

$299^.⁹⁵$465^.⁹⁵

S&S Cycle Tappet Cuffs For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

S&S Cycle Tappet Cuffs For Harley Milwaukee-Eight 2017-2026

Feuling HP+ Hydraulic Lifters For Harley

Vehicle Specific

Feuling HP+ Hydraulic Lifters For Harley

$219^.⁹⁵$289^.⁹⁵

S&S Cycle Mini Teardrop Stealth Air Cleaner Kit For Harley

Vehicle Specific

S&S Cycle Mini Teardrop Stealth Air Cleaner Kit For Harley

Feuling HP+ 525 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 525 Camchest Kit For Harley

Feuling Vented Dipstick For Harley

Vehicle Specific

Feuling Vented Dipstick For Harley

Feuling HP+ 465 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 465 Camchest Kit For Harley

$110 in Rewards

S&S Cycle Grand National Slip-On Muffler For Harley

Vehicle Specific

S&S Cycle Grand National Slip-On Muffler For Harley

$484^.⁹⁵$1,231^.⁹⁵

S&S Cycle Super E Carburetor Kit For Harley

Vehicle Specific

S&S Cycle Super E Carburetor Kit For Harley

$799^.⁹⁵$899^.⁹⁵

Feuling 12mm Narrow Band O2 Sensors For Harley

Vehicle Specific

Feuling 12mm Narrow Band O2 Sensors For Harley

$99^.⁹⁵$109^.⁹⁵

S&S Cycle Slash Cut Slip-On Mufflers For Harley

Vehicle Specific

S&S Cycle Slash Cut Slip-On Mufflers For Harley

$463^.⁹⁵$599^.⁹⁵

James Rocker Box Gasket Kit For Harley

Vehicle Specific

James Rocker Box Gasket Kit For Harley

$51^.⁹⁵$100^.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

$107 in Rewards

S&S Cycle Teardrop Stealth Air Cleaner Kit For Harley

Vehicle Specific

S&S Cycle Teardrop Stealth Air Cleaner Kit For Harley

$395^.⁹⁵$550^.⁹⁵

S&S Cycle Power Tune Dual Header System For Harley Touring

Vehicle Specific

S&S Cycle Power Tune Dual Header System For Harley Touring

$871^.⁹⁵$875^.⁹⁵

S&S Cycle Grand National Slip-On Race Mufflers For Harley

Vehicle Specific

S&S Cycle Grand National Slip-On Race Mufflers For Harley

$347^.⁹⁵$599^.⁹⁵

Feuling HP+ 543 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 543 Camchest Kit For Harley

S&S Cycle Quickee Pushrods For Harley

Vehicle Specific

S&S Cycle Quickee Pushrods For Harley

$209^.⁹⁵$224^.⁹⁵

S&S Cycle 1250 Big Bore Kit For Harley Sportster 1986-2022

Vehicle Specific

S&S Cycle 1250 Big Bore Kit For Harley Sportster 1986-2022

$1,008^.⁹⁵$1,077^.⁹⁵

Feuling OE+ Hydraulic Cam Chain Tensioner Conversion Kit For Harley 2001-2006

Vehicle Specific

Feuling OE+ Hydraulic Cam Chain Tensioner Conversion Kit For Harley 2001-2006

S&S Cycle Synthetic Oil Change Kit For Harley

Vehicle Specific

S&S Cycle Synthetic Oil Change Kit For Harley

$175^.⁹⁵$175^.⁹⁹

S&S Cycle Teardrop Air Cleaner Kit For Harley EFI

Vehicle Specific

S&S Cycle Teardrop Air Cleaner Kit For Harley EFI

$359^.⁹⁵$398^.⁹⁵

S&S Cycle Stealth Air Cleaner Kit For Harley EFI

Vehicle Specific

S&S Cycle Stealth Air Cleaner Kit For Harley EFI

$166^.⁹⁵$399^.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

Feuling Map Sensor For Harley

Vehicle Specific

Feuling Map Sensor For Harley

$69^.⁹⁵$89^.⁹⁵

Feuling HP+ 574 Hydraulic Conversion Camchest Kit For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling HP+ 574 Hydraulic Conversion Camchest Kit For Harley Twin Cam 1999-2006

$112 in Rewards

Feuling Race Series 574 Camchest Kit For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling Race Series 574 Camchest Kit For Harley Twin Cam 2006-2017

$1,879^.⁹⁵$1,895^.⁹⁵

$109 in Rewards

S&S Cycle Super Stock Cylinder Heads For Harley Twin Cam

Vehicle Specific

S&S Cycle Super Stock Cylinder Heads For Harley Twin Cam

$1,815^.⁹⁵$2,149^.⁹⁵

$106 in Rewards

Feuling 525 Cam Kit For Harley Twin Cam

Vehicle Specific

Feuling 525 Cam Kit For Harley Twin Cam

$359^.⁹⁵$399^.⁹⁵

Feuling 472 Chain Drive Camchest Kit For Harley

Vehicle Specific

Feuling 472 Chain Drive Camchest Kit For Harley

$1,795^.⁹⁵$1,979^.⁹⁵

$105 in Rewards

James Gasket Engine Gasket Set For Harley

Vehicle Specific

James Gasket Engine Gasket Set For Harley

$126^.⁹⁵$236^.⁹⁵

S&S Cycle 4" Slash Down Slip-On Mufflers For Harley Touring

Vehicle Specific

S&S Cycle 4" Slash Down Slip-On Mufflers For Harley Touring

Feuling HP+ Oil Pump And Camplate Kit For Harley

Vehicle Specific

Feuling HP+ Oil Pump And Camplate Kit For Harley

Feuling HP+ Oil Pump For Harley

Vehicle Specific

Feuling HP+ Oil Pump For Harley

$409^.⁹⁵$449^.⁹⁵

Feuling HP+ 574 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 574 Camchest Kit For Harley

$1,595^.⁹⁵$1,839^.⁹⁵

S&S Cycle 4.5" MK45 Thruster Slip-On Mufflers For Harley Touring

Vehicle Specific

S&S Cycle 4.5" MK45 Thruster Slip-On Mufflers For Harley Touring

$769^.⁹⁵$819^.⁹⁵

Feuling Reaper Camshafts For Harley Sportster 2000-2022

Vehicle Specific

Feuling Reaper Camshafts For Harley Sportster 2000-2022

Feuling 18mm Narrow Band 02 Sensor For Harley Dyna, Softail, Touring, V-Rod 2006-2011

Vehicle Specific

Feuling 18mm Narrow Band 02 Sensor For Harley Dyna, Softail, Touring, V-Rod 2006-2011

James Cam Chest Gasket Kit For Harley

Vehicle Specific

James Cam Chest Gasket Kit For Harley

$29^.⁹⁵$58^.⁹⁵

S&S Cycle Rocker Roller Arms For Harley 1984-2022

Vehicle Specific

S&S Cycle Rocker Roller Arms For Harley 1984-2022

$652^.⁹⁵$695^.⁹⁵

Feuling 574 Cam Kit For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling 574 Cam Kit For Harley Twin Cam 2006-2017

S&S Cycle 551 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 551 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

Feuling Rocker Box Breather Kit For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling Rocker Box Breather Kit For Harley Twin Cam 1999-2017

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 HP+ One Piece Pushrods For Harley

Vehicle Specific

Feuling HP+ One Piece Pushrods For Harley

Feuling Race Series Oiling System For Harley Twin Cam

Vehicle Specific

Feuling Race Series Oiling System For Harley Twin Cam

$1,059^.⁹⁵$1,099^.⁹⁵

Feuling Exhaust Stud Kit For Harley EVO, Twin Cam, Sportster 1984-2022

Vehicle Specific

Feuling Exhaust Stud Kit For Harley EVO, Twin Cam, Sportster 1984-2022

Feuling Race Series Oil Pump and Camplate Kit For Harley

Vehicle Specific

Feuling Race Series Oil Pump and Camplate Kit For Harley

Feuling Idle Air Control Module For Harley Touring, Softail, Dyna 2006-2017

Vehicle Specific

Feuling Idle Air Control Module For Harley Touring, Softail, Dyna 2006-2017

Feuling Fuel Injector For Harley

Vehicle Specific

Feuling Fuel Injector For Harley

$97^.⁹⁵$99^.⁹⁵

S&S Cycle Oil Filter For Harley

Vehicle Specific

S&S Cycle Oil Filter For Harley

$20^.⁹⁵$23^.⁹⁵

S&S Cycle TC3 Oil Pump Cam Support Plate Kit For Harley

Vehicle Specific

S&S Cycle TC3 Oil Pump Cam Support Plate Kit For Harley

Feuling Camshaft Sprocket Thrust Washer Kit For Harley Twin Cam / Milwaukee-Eight 2006-2026

Vehicle Specific

Feuling Camshaft Sprocket Thrust Washer Kit For Harley Twin Cam / Milwaukee-Eight 2006-2026

Feuling Conversion Cams For Harley Twin Cam 1999-2006

Vehicle Specific

Feuling Conversion Cams For Harley Twin Cam 1999-2006

S&S Cycle 510 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 510 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

S&S Cycle 585 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 585 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

Feuling 543 Cam Kit For Harley

Vehicle Specific

Feuling 543 Cam Kit For Harley

Feuling Cylinder Stud and Head Bolt Kit For Harley

Vehicle Specific

Feuling Cylinder Stud and Head Bolt Kit For Harley

$399^.⁹⁵$599^.⁹⁵

Feuling Inner Camshaft Bearings For Harley

Vehicle Specific

Feuling Inner Camshaft Bearings For Harley

$18^.⁹⁵$44^.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

Drag Specialties Pushrod Tube Cover Kit For Harley

Vehicle Specific

Drag Specialties Pushrod Tube Cover Kit For Harley

$126^.⁰⁹$138^.⁸¹

S&S Cycle 4.5" MK45 Tracer Slip-On Mufflers For Harley Touring

Vehicle Specific

S&S Cycle 4.5" MK45 Tracer Slip-On Mufflers For Harley Touring

$739^.⁹⁵$819^.⁹⁵

Feuling Hydraulic Cam Chain Tensioner Assemblies For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling Hydraulic Cam Chain Tensioner Assemblies For Harley Twin Cam 2006-2017

$79^.⁹⁵$159^.⁹⁵

Feuling Quick Install Pushrod Tube Kit For Harley Twin Cam 1999-2017

Vehicle Specific

Feuling Quick Install Pushrod Tube Kit For Harley Twin Cam 1999-2017

S&S Cycle Rocker Arms For Harley 1984-2022

Vehicle Specific

S&S Cycle Rocker Arms For Harley 1984-2022

Arlen Ness 10-Gauge Pushrod Covers For Harley

Vehicle Specific

Arlen Ness 10-Gauge Pushrod Covers For Harley

$206^.⁹⁶$229.95

S&S Cycle HI-4N Ignition & Coil Kit For Harley 1984-1999

Vehicle Specific

S&S Cycle HI-4N Ignition & Coil Kit For Harley 1984-1999

Feuling Race Series Hydraulic Lifters For Harley

Vehicle Specific

Feuling Race Series Hydraulic Lifters For Harley

$299^.⁹⁵$319^.⁹⁵

Feuling O2 Sensor Adapter 18mm to 12mm

Feuling O2 Sensor Adapter 18mm to 12mm

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

Vehicle Specific

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

S&S Cycle 585 Easy Start Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 585 Easy Start Cam Kit For Harley Twin Cam

$540^.⁹⁵$1,070^.⁹⁵

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

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

Feuling Cam Chain Tensioner Pads For Harley Twin Cam 2006-2017

Vehicle Specific

Feuling Cam Chain Tensioner Pads For Harley Twin Cam 2006-2017

S&S Cycle Tappet Guide Lifter Blocks For Harley Big Twin 1984-1999

Vehicle Specific

S&S Cycle Tappet Guide Lifter Blocks For Harley Big Twin 1984-1999

S&S Cycle Oil Pump For Harley Big Twin

Vehicle Specific

S&S Cycle Oil Pump For Harley Big Twin

Arlen Ness 10-Gauge Rocker Box Top Covers For Harley

Vehicle Specific

Arlen Ness 10-Gauge Rocker Box Top Covers For Harley

$494^.⁹⁶$629^.⁹⁶$549.95$699.95

S&S Cycle Valve Spring Kits For Harley

Vehicle Specific

S&S Cycle Valve Spring Kits For Harley

$163^.⁹⁵$395^.⁹⁵

Feuling Econo Beehive Valve Spring Kit For Harley

Vehicle Specific

Feuling Econo Beehive Valve Spring Kit For Harley

Accel Solid State Voltage Regulator For Harley

Vehicle Specific

Accel Solid State Voltage Regulator For Harley

$228^.⁹⁵$320^.⁹⁵

S&S Cycle Headbolt Kit For Harley 1984-2022

Vehicle Specific

S&S Cycle Headbolt Kit For Harley 1984-2022

Feuling Throttle Position Sensor For Harley

Vehicle Specific

Feuling Throttle Position Sensor For Harley

$54^.⁹⁵$69^.⁹⁵

Feuling Outer Crank Sprocket For Harley Big Twin 2006-2026

Vehicle Specific

Feuling Outer Crank Sprocket For Harley Big Twin 2006-2026

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 583 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 583 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

S&S Cycle 570 Cam Kit For Harley Twin Cam

Vehicle Specific

S&S Cycle 570 Cam Kit For Harley Twin Cam

$399^.⁹⁵$948^.⁹⁵

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$39.99/yr.

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