This is ARC's 4.275" ENDURO Series billet rod. The 1" stroker rods are designed to handle the rigors of todays high horsepower Junior Dragster and open Kart Engines. These rods are designed for aftermarket flathead blocks with extra cam clearance.They also utilize ARC's splayed bolt design for extra clearance, and advanced oiling features for superior lubrication. This rod includes bearing and high strength ARP bolts, and is CNC machined from aircraft grade 7075 T-651 aluminum.
Wrist Pin Bore: 0.590"
Rod bolt torque: 170 in/lbs lubricated