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Supertech piston set for Mazda 1.8L with 85.5mm bore and -3.5cc domes, providing a 9.0:1 compression ratio. Sold as a set of four; piston rings are not included. These pistons are intended for engine rebuilds or replacements where reduced dome volume is required. For proper ring fitment use the referenced kit SWM31071-2.
Supertech Mazda 1.8L 85.5mm Bore -3.5cc Dome 9:1 CR Pistons - Set of 4 (Use SWM31071-2/Excl Rings)
