24 premium chrome-silicon valve springs

provide increased spring pressure at higher speeds

Two-step slow forging for optimized grain flow and reduced material stress

0-5V (protected)

and enhanced performance—ideal for everything from high-performance street builds to motorsport use

CP Forged Piston Set, BMW S54 3.4L / 3.5L Bore Size:87.5 mm 24 premium chrome-silicon valve springsLooking for a high performance piston set for your S54 engine? Look no further than our 5150 Design Forged Pistons by CP Carrillo. CP Carrillo specializes in high performance, forged pistons for racing and heavy duty engines. Forging involves shaping metal by compressing it under high pressure for a denser, stronger, and more durable piston that can withstand higher temperatures and pressures than a cast piston. CP Carrillo pistons are designed and