CP Pistons Big Block Chevy 540 Flat Top Pistons 4.500 Bore 9.2:1 - BBC5210-STD

Build a high-displacement Big Block Chevy with CP Pistons BBC5210-STD forged flat top pistons designed for 540ci applications. Featuring a 4.500-inch bore, -3.4cc valve reliefs, and compatibility with a 4.250-inch stroke and 6.385-inch connecting rods, these pistons deliver a 9.2:1 compression ratio when paired with 118cc cylinder heads.

Manufactured from premium forged aluminum, CP Pistons provide exceptional strength, thermal stability, and precise machining for demanding street, strip, and power-adder builds. Ideal for boosted or pump-gas-friendly BBC combinations, the BBC5210-STD piston set offers reliable power handling, consistent compression, and long-term durability trusted by serious engine builders.