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Supertech

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

Supertech

Supertech Honda Integra LS B18A/B 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

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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

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Supertech Mazda Miata 1.8L Single Valve Spring Kit

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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)

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Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)

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Supertech BMW B58 Beehive Valve Spring Kit

Supertech

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

Supertech

Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit

Supertech

Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat)

Supertech

Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat)