These K1 rods are what we run in all of our Time-Attack E46 engine builds. This rod is common to engines in the E36 and E46 chassis except the E46 M3's S54 motor. 135mm length.
Billet 4340 Steel H-Beam Design. High quality ARP 2000 Fasteners included. Shot peened finish provides for longer life. Premium bronze wrist pin bushings. All rods are finished in the USA and held to very tight tolerances. Bores finished to +/- .0001" and weight to +/- 1 gram per end. Floating wrist pin style.
Material: Forged 4340 Steel
Big End Diameter: 48.009 mm
Big End Width: 21.89 mm
Wrist Pin Bore Diameter: 22 mm
Wrist Pin Journal Bushing Width: 21.89 mm
Wrist Pin Style: Floating
Rod Type: H-Beam
Rod Quantity: Sold as a set of 6