Valve Springs, Retainers

Supertech VW VR6 12V Dual Valve Spring Kit

Supertech Toyota 2UZ-FE V8 32V Single Valve Spring Kit

Supertech Subaru Impreza EJ25 Dual Valve Spring Kit

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Solid Lifters) Dual Valve Spring Kit

Supertech Toyota 2JZ Dual Valve Spring Kit

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

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

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

Supertech VW VR6 24V R32 Dual Valve Spring Kit

Supertech Mazda Miata 1.8L Single Valve Spring Kit

Supertech Mazda Miata 1.8L Dual Valve Spring Kit

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

Supertech Mazda Miata 1.6L Single Valve Spring Kit

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

Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit

Supertech Nissan RB26DET 24V Dual Valve Spring Kit

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

Supertech Nissan SKYLINE RB25 DOHC 24V (NEO Version) Beehive Valve Spring Kit

Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers)

Supertech Honda F20/K20A2 Dual Valve Spring Kit

Supertech Nissan SR20DET Single Valve Spring Kit