Procomp Electronics I-beam connecting rods incorporate all of the best features possible for an I-beam rod, including some strength adders found in H-beam designs. Procomp Electronics I-beam connecting rods are profiled with clearance for long stroke applications. They feature a one-rib cap design for added strength and bearing support, polished beams to eliminate stress risers, and cap screw bolts to greatly increase strength and horsepower capabilities. Manufactured from high-quality 5140 Chromoly steel.