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The Supertech forged piston set for Ford/Mazda 2.3L engines with an 89.5mm bore includes four pistons with a -7cc dome that yields an 11:1 compression ratio. Supplied as a set of four excluding rings, these pistons suit rebuilds or swaps that need that specific bore and chamber volume pairing for intended engine performance characteristics.
Supertech Ford/Mazda 2.3L 89.5mm Bore -7cc Dome 11:1 CR Pistons - Set of 4 (Excl Rings)
