Supertech SPRK-MM18-S Single Valve Spring Kit For 1.8 Miata BP

Supertech X TRC 74lb Dual Valve Springs & Ti Retainers For 94-05 Mazda Miata 1.8

Supertech SPRK-MM18-D Dual Valve Spring Kit For 1.8 Miata BP

Supertech X TRC Valve Spring Titanium Retainers Kit 94-05 Mazda Miata 1.8L BP

SuperTech Dual Valve Spring Kit For Mazda 1.8 Miata BP - SPRK-MM18D

Supertech SPRK-MM18-D Dual Valve Springs Kit for Mazda Miata BP 177 lbs

Supertech Single Springs Titanium Retainers Kit 94-05 Mazda Miata 1.8L BP 56LB