The CP Pistons Bullet Race piston set for Big Block applications lists a 4.610" bore with a 4.250" stroke, 6.385" rod and 1.275" wrist pin, packaged as a set of eight. Providing exact bore, stroke and rod measurements, this race-series set is useful for engine builders and machinists assembling or rebuilding large V8s where tight dimensional control matters.
CP Piston BRS Big Block 4.610 Bore 4.250 Stroke 6.385 Rod 1.275 Set Of 8 (MTO Non-Cancel)