The CP Pistons Bullet Race Series piston set for Chevy LS7 engines is provided as an eight-piece matched kit for specific LS7 assemblies. The source lists a 4.130-inch bore and a 4.000-inch stroke with a 6.125-inch rod length, supplied as a set of eight pistons and cataloged under the Bullet Race Series naming.
CP Piston Bullet Race Series Chevy LS7 4.130 Bore 4.000 Stroke 6.125 Rod Set Of 8