Description? CNC machined, X-rayed, magnafluxed, and sonic tested to insure quality and conformity. Large radius (0.125") on all journals, so chamfered bearings are required. They are the perfect choice for applications up to 1500HP. Make: Ford Engine: SBF (351W Mains) Material: Forged 4340 Steel Stroke: 4.000" Stroke Balance: Internal Balance Rear Main Seal: 1-Piece Rear Main Seal Rod Journal Diameter: 2.100" Main Journal Diameter: 3.000" Min. Rod Length: 6.200"
