Margin Check

Supertech

Supertech Valve Spring Shim 1.140in OD .570in ID .030in Thick (Drop Ship Only)

Supertech

Supertech Valve Spring Shim .515in OD .796in ID .030in Thick (Drop Ship Only)

Supertech

Supertech VW VR6 12V Dual Valve Spring Kit

Supertech

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

Supertech

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

Supertech

Supertech Nissan RB26DET 24V Dual Valve Spring Kit

Supertech

Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit

Supertech

Supertech Toyota 2JZ Dual Valve Spring Kit

Supertech

Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm

Supertech

Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit

Supertech

Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit

Supertech

Supertech VW VR6 24V R32 Dual Valve Spring Kit

Supertech

Supertech Mazda Miata 1.8L Single Valve Spring Kit

Supertech

Supertech Mazda Miata 1.8L Dual Valve Spring Kit

Supertech

Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)

Supertech

Supertech Hyundai Veloster 16V Beehive Valve Spring Kit 75lbs - 33.5mm / 172 - 10mm Lift / 22.2mm CB