The Supertech forged piston set for Ford/Mazda 2.3L engines with an 88mm bore includes four pistons with a -6cc dome giving an 11:1 compression ratio. Sold as a set of four excluding rings, these pistons are suited to engine rebuilds where that specific compression and bore pairing is required for the intended application.
Supertech Ford/Mazda 2.3L 88mm Bore -6cc Dome 11:1 CR Pistons - Set of 4 (Excl Rings)