CP Pistons Small Block Chevy 383 Dish Pistons 4.030 Bore 9.5:1 - BC1031-030

Build a reliable Small Block Chevy stroker with CP Pistons BC1031-030 forged dish pistons designed for 23-degree cylinder head applications. Featuring a 4.030-inch bore, -16.2cc dish, and compatibility with a 3.750-inch stroke and 6.000-inch connecting rods, these pistons deliver a balanced 9.5:1 compression ratio when paired with 64cc cylinder heads.

Manufactured from premium forged aluminum, CP Pistons provide exceptional strength, thermal stability, and precise machining for high-performance street and strip builds. Ideal for pump-gas 383ci combinations, the BC1031-030 piston set offers dependable power handling, consistent compression, and long-term durability in demanding Small Block Chevy applications.