Eagle Connecting Rods - 8Cyl CRS6243R3D Forged 4340 Steel H-Beam Connecting Rods Forged 4340 steel H-Beam connecting rods are forged from a two-piece forging and feature a fully machined and shot-peened surface. Sizing is held to exact tolerances. Sold as a weight-matched set. Recommended for competition use. Connecting Rods