Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.
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.