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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+ Oil Pump For Harley

Vehicle Specific

Feuling HP+ Oil Pump For Harley

$399^.⁹⁵$449^.⁹⁵$409.95$449.95

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 Race Series 594 Camchest Kit For Harley

Vehicle Specific

Feuling Race Series 594 Camchest Kit For Harley

$1,795^.⁹⁵$1,895^.⁹⁵

$195 in Rewards

Feuling Race Series Oiling System For Harley Twin Cam

Vehicle Specific

Feuling Race Series Oiling System For Harley Twin Cam

$1,029^.⁹⁵$1,059^.⁹⁵$1,059.95$1,099.95

$118 in Rewards

S&S Cycle TC3 Cam Plate For Harley Twin Cam

Vehicle Specific

S&S Cycle TC3 Cam Plate For Harley Twin Cam

Feuling HP+ Oiling System For Harley

Vehicle Specific

Feuling HP+ Oiling System For Harley

$819^.⁹⁵$1,029^.⁹⁵

Feuling HP+ 543 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 543 Camchest Kit For Harley

$180 in Rewards

Feuling Vented Dipstick For Harley

Vehicle Specific

Feuling Vented Dipstick For Harley

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 Teardrop Air Cleaner Kit For Harley EFI

Vehicle Specific

S&S Cycle Teardrop Air Cleaner Kit For Harley EFI

$359^.⁹⁵$395^.⁹⁵

Feuling Hydraulic Cam Chain Conversion Kit For Harley

Vehicle Specific

Feuling Hydraulic Cam Chain Conversion Kit For Harley

Feuling HP+ 525 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 525 Camchest Kit For Harley

$180 in Rewards

Feuling HP+ 574 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 574 Camchest Kit For Harley

$1,595^.⁹⁵$1,649^.⁹⁵

$175 in Rewards

S&S Cycle Engine Stand For Harley

Vehicle Specific

S&S Cycle Engine Stand For Harley

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 Intake Manifold For S&S Cycle Carburetor For Harley

Vehicle Specific

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

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

$116 in Rewards

James Cam Chest Gasket Kit For Harley Sportster 2004-2022 [Open Box]

Vehicle Specific

James Cam Chest Gasket Kit For Harley Sportster 2004-2022 [Open Box]

$26^.⁹⁶$29.95

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

Vehicle Specific

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

Feuling Engine Case 12 Point Hardware Kit For Harley

Vehicle Specific

Feuling Engine Case 12 Point Hardware Kit For Harley

$99^.⁹⁵$129^.⁹⁵

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

$128 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

No Image Available

Vehicle Specific

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

$636^.⁷⁶$653.95

Feuling 472 Chain Drive Camshaft Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 472 Chain Drive Camshaft Kit For Harley Milwaukee-Eight 2017-2026

Feuling Highflow Camplate For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Highflow Camplate For Harley Milwaukee-Eight 2017-2026

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

Feuling OE+ Camplate and Factory HD Oil Pump Bolt Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling OE+ Camplate and Factory HD Oil Pump Bolt Kit For Harley Milwaukee-Eight 2017-2026

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

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 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

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 HP+ Cam And Lifter Kit For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling HP+ Cam And Lifter Kit For Harley 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

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 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 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

$179 in Rewards

Feuling Remote Oil Pressure Gauge For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Remote Oil Pressure Gauge For Harley Milwaukee-Eight 2017-2026

$189^.⁹⁵$199^.⁹⁵

Feuling 472 Chain Drive Camshaft For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 472 Chain Drive Camshaft For Harley Milwaukee-Eight 2017-2026

Feuling 405 Reaper Camshaft For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 405 Reaper Camshaft For Harley Milwaukee-Eight 2017-2026

Feuling 521 Cam For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 521 Cam For Harley Milwaukee-Eight 2017-2026

Feuling 12 Point Primary Dress Up Kit For Harley Sportster 2004-2022

Vehicle Specific

Feuling 12 Point Primary Dress Up Kit For Harley Sportster 2004-2022

Feuling Reaper Camshafts For Harley Sportster 2000-2022

Vehicle Specific

Feuling Reaper Camshafts For Harley Sportster 2000-2022

Feuling Velocity Stack For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Velocity Stack For Harley Milwaukee-Eight 2017-2026

Feuling 508 Cam For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 508 Cam For Harley Milwaukee-Eight 2017-2026

Feuling 592 Cam For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling 592 Cam For Harley Milwaukee-Eight 2017-2026

Feuling Valve Spring Seat Shims For Harley Milwaukee-Eight 2017-2026

Vehicle Specific

Feuling Valve Spring Seat Shims For Harley Milwaukee-Eight 2017-2026

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

Feuling Race Series Short Travel Lifters For Harley

Vehicle Specific

Feuling Race Series Short Travel Lifters For Harley

S&S Cycle Pinion Gear For Harley

Vehicle Specific

S&S Cycle Pinion Gear For Harley

Feuling Fuel Injector For Harley

Vehicle Specific

Feuling Fuel Injector For Harley

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 465 Race Series Cam Chest Kit For Harley

Vehicle Specific

Feuling 465 Race Series Cam Chest Kit For Harley

$213 in Rewards

Feuling HP+ 405 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 405 Camchest Kit For Harley

$195 in Rewards

Feuling 508 Race Series Cam Chest Kit For Harley

Vehicle Specific

Feuling 508 Race Series Cam Chest Kit For Harley

$2,049^.⁹⁵$2,069^.⁹⁵

$220 in Rewards

Feuling 592 Race Series Cam Chest Kit For Harley

Vehicle Specific

Feuling 592 Race Series Cam Chest Kit For Harley

$2,049^.⁹⁵$2,069^.⁹⁵

$220 in Rewards

Feuling 521 Race Series Cam Chest Kit For Harley

Vehicle Specific

Feuling 521 Race Series Cam Chest Kit For Harley

$1,979^.⁹⁵$2,069^.⁹⁵

$213 in Rewards

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

$345 in Rewards

Feuling 472 Chain Drive Camchest Kit For Harley

Vehicle Specific

Feuling 472 Chain Drive Camchest Kit For Harley

$1,795^.⁹⁵$1,979^.⁹⁵

$195 in Rewards

Feuling HP+ Oil Pump And Camplate Kit For Harley

Vehicle Specific

Feuling HP+ Oil Pump And Camplate Kit For Harley

Feuling Race Series Oiling System For Harley Milwaukee-Eight

Vehicle Specific

Feuling Race Series Oiling System For Harley Milwaukee-Eight

$138 in Rewards

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+ 465 Camchest Kit For Harley

Vehicle Specific

Feuling HP+ 465 Camchest Kit For Harley

$1,795^.⁹⁵$1,895.95

$195 in Rewards

Drag Specialties Replacement Cylinders For Sportster 1200 1988-2003

Vehicle Specific

Drag Specialties Replacement Cylinders For Sportster 1200 1988-2003

$264^.⁹⁵$304^.¹⁷

Drag Specialties Pushrod Tube Cover Kit For Harley

Vehicle Specific

Drag Specialties Pushrod Tube Cover Kit For Harley

S&S Cycle Hooligan Big Bore Cam Kit For Harley Sportster

Vehicle Specific

S&S Cycle Hooligan Big Bore Cam Kit For Harley Sportster

$197 in Rewards

Terry Components Oil Filler Spout Spacer Block For Harley Touring 1993-2006

Vehicle Specific

Terry Components Oil Filler Spout Spacer Block For Harley Touring 1993-2006

$128^.⁶⁷$142.95

James Engine Gasket Set For Harley Shovelhead 1966-1984

Vehicle Specific

James Engine Gasket Set For Harley Shovelhead 1966-1984

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$3,497^.⁹⁵

$342 in Rewards

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

Vehicle Specific

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

James Engine Gasket Set For Harley Panhead 1948-1965

Vehicle Specific

James Engine Gasket Set For Harley Panhead 1948-1965

Feuling Fuel Pressure Regulator For Harley Touring 1998-2001

Vehicle Specific

Feuling Fuel Pressure Regulator For Harley Touring 1998-2001

Feuling Race Series Hydraulic Lifters For Harley 2017-2025 .0010 Oversize [Previously Installed]

Vehicle Specific

Feuling Race Series Hydraulic Lifters For Harley 2017-2025 .0010 Oversize [Previously Installed]

$254^.⁹⁶$299.95

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

S&S Cycle H-Grind Cams For Harley Big Twin

Vehicle Specific

S&S Cycle H-Grind Cams For Harley Big Twin

S&S Cycle Premium Hydraulic Lifters For Harley Panhead / Shovelhead 1953-1984

Vehicle Specific

S&S Cycle Premium Hydraulic Lifters For Harley Panhead / Shovelhead 1953-1984

$699^.⁹⁵$835^.⁹⁵

Feuling Race Series Oil Pump and Camplate Kit For Harley

Vehicle Specific

Feuling Race Series Oil Pump and Camplate Kit For Harley

$108 in Rewards

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

$102 in Rewards

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

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

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 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

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$39.99/yr.

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