Note: Professional installation is highly recommended; Please make sure the Part number in our listing is the same as your old one. Please check the part number and compare with pictures provided here before purchasing to ensure proper fitment. Any questions please send us eBay message. 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 .