Billet CNC machined connecting rod for small block Briggs engines. This rods measures 4.197 C-C. That is .063 longer than the OEM rod. It is used when machining off the top of the newer style pistons to raise the compression ratio to 10:1. Rods are sold each. NOTE: Rod bolt TQ is 165 in/lbs with oil on the bolts and washers.