The CP Pistons Bullet Race piston set for BBC 566ci applications lists a 4.605" bore with a 1.120" compression height and is supplied as a set of eight. With displacement and dimensional data stated, this race-series piston set is intended for engine builders assembling or rebuilding large Chevy big-blocks where precise compression height and bore matching are required.
CP Piston BRS BBC 566Ci 4.605 Bore 1.120 Ch 14:1 Cr Set Of 8 (MTO Non-Cancel)