SP Components Connecting Rods Optional upgrade to Carrillo

NOTE: When installing the vacuum fitting

and high-performance street builds

With built-in datalogging and fault detection

most notably in the Skyline GT-R models

CP Carrillo Heavy Duty Wrist Pin, 866-2250-25CP3C 3383 SP Components Connecting Rods Optional. 866" x 2. 250" x . 250" straight walled, 9310 steel wrist pin with chamfered edge The wrist pin, or piston pin, is a crucial component of an internal combustion engine as it serves as the vital connection between the piston and connecting rod. It endures high loads in varying directions, as well as bending and shearing forces from the connecting rod. To cater to high stress, high power applications and uses, CP Carrillo offers heavy duty wrist pins