Billet CNC machined connecting rod set for small block 16-23hp Briggs Vanguard engines. These rods have been machined out of aircraft grade 7000 series alum, precision honed bearing and pin fit, they feature ARP bolts with hardened washers and include 2 high quality rod bearings for the standard size crankshaft. These rods are 4.262 C-C and are used when machined off the tops of the old style Briggs pistons to make flat tops. They are also used with the Arias piston kit. We offer these with 2 different size wrist pins. One for the 17mm (.669) Arias pin and one for the OEM .672 Briggs pin. In the drop down menu please select the size needed.