The ScienceofSpeed 4340 H-Beam Connecting Rod is a direct drop-in connecting rod for both the factory 3.0L and 3.2L crankshafts. Built to support in excess of 900 horsepower, the 4340 steel straight H beam connecting rod is also designed for maximum abuse from high cylinder pressure and minimum distortion under high inertial load from high speed engine use. The connecting rods include high strength ARP rod cap bolts. Connecting rods are compatible with factory connecting rod bearings. Connecting rods are designed for a 22mm (.866") floating piston wrist pin.