Nitto 121.5mm connecting rods for Nissan RB25 and RB26 engines deliver a premium performance upgrade crafted from the highest quality one piece 4340 forged billet steel round stock. Designed as a first stage upgrade for the price conscious racer, these H-beam rods provide a reliable and durable solution without compromising on strength. The simpler manufacturing process of the H-beam over the bigger "I-beam" design keeps costs accessible, making top-tier performance affordable. At Culture Automotive, we bring you parts built by car people, for car people, supporting your build with quality and culture. Elevate your engine’s reliability and power with this essential upgrade, backed by our commitment to performance and authenticity.