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The Supertech piston set for Honda K‑series 87.0mm bore engines supplies four forged pistons with an +11.4cc dome delivering a 12.5:1 compression ratio; rings are not included. Sized for the 87.0mm cylinders, this set is meant for K‑series four‑cylinder rebuilds or high‑compression builds where increased piston crown volume is used to raise compression while keeping bore diameter consistent.
Supertech Honda K Series 87mm Bore +11.4cc Dome 12.5:1 CR Pistons - Set of 4 (Excl Rings)
