The connecting rods are from Lunati. These forged 4340 Pro-Mod pieces are 6.125 inches in length and feature ARP bolts. They are designed to accept Ross' .927-inch tool steel wrist pin. ARE machined them to provide .0007 inch of clearance. Rod bearings from King were set up with .0027 inch of clearance with the bolts torqued to 70 ft-lb.