Description: Connecting Rod Length : 5.700" Rod Journal Diameter: 2.100" Wrist Pin Diameter: 0.927" Big End Width: 0.940" Connecting Rod Bolt: 3/8" Rod Type: I-Beam Connecting Rod Bolt Material: 40CrMo Connecting Rod Bolt Head Style: 12-point Wrist Pin Style: Floating Pin Rod Material: Forged 5140 Steel Advertised Horsepower Rating (hp): 500 hp Advertised RPM Rating: 6,000 rpm Feature: 1. These I-beam connecting rods are manufactured from high-quality 5140 chromoly steel. 2. These rods are x-rayed & ultrasonically tested with all surfaces shot peened & stress relieved. .