The CP Pistons Bullet Race piston set for Dodge 6.1 Hemi applications specifies a 4.065" bore with a 3.580" stroke and 6.242" rod, supplied as a set of eight. With the 6.1 Hemi callout present, this race-series piston set provides engine builders clear dimensional information for correct piston selection and installation in that specific Hemi platform.
CP Piston BRS Dodge 6.1 Hemi 4.065 Bore 3.580 Stroke 6.242 Rod Set Of 8 (MTO Non-Cancel)