The CP Pistons Bullet Race Series piston set for Chevy LS7 applications is a matched eight-piece kit noted in the catalog. This listing specifies a 4.135-inch bore with a 4.000-inch stroke and 6.125-inch rod length, supplied as a set of eight pistons and identified as made-to-order non-cancelable in the source entry.
CP Piston BRS Chevy LS7 4.135 Bore 4.000 Stroke 6.125 Rod Set Of 8 (MTO Non-Cancel)