The CP Pistons Bullet Race Series piston set for Chevy LS7 applications is an eight-piece matched kit for LS7 engine builds. The source lists a 4.155-inch bore, 4.125-inch stroke and 6.125-inch rod length, delivered as a set of eight pistons and recorded under the Bullet Race Series naming in the catalog.
CP Piston Bullet Race Series Chevy LS7 4.155 Bore 4.125 Stroke 6.125 Rod Set Of 8