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The Supertech piston set for Toyota FR-S / Subaru BRZ engines provides four pistons at an 86mm bore with a 32.5mm crown height and a -15.5cc crown, yielding a 9.5:1 compression ratio; rings are not included. This kit is intended for FA/FB platform rebuilds where specific crown volume and bore sizing are required to restore correct compression and piston geometry.
Supertech Toyota FRS/Subaru BRZ 86mm 32.5mm CH -15.5cc Crown 9.5:1 CR Piston - Set of 4 (Excl Rings)
