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The HKS Ni piston kit for CT9A specified at 85.5mm is a complete piston set sized for engine rebuilds and mechanical refreshes of compatible CT9A engines. It delivers factory-sized replacement pistons to restore correct bore-to-piston clearance and compression during overhaul. Sold as a matched set for use in rebuild and performance-oriented maintenance.
HKS Ni Piston Kit CT9A 85.5
