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Supertech piston set for Mazda Miata 1.8L with 85mm bore and -3.5cc domes giving a 9.0:1 compression ratio. Sold as a set of four; piston rings are not included. These pistons are meant for rebuilds that require slightly reduced dome volume while preserving the standard bore, offering a direct replacement option for the 1.8L platform.
Supertech Mazda Miata 1.8L 85mm Bore -3.5cc Dome 9:1 CR Pistons - Set of 4 (Excl Rings)
