BoostLine 89-12 Cummins 5.9/6.7 Diesel 7.559in Connecting Rod Kit DO7559-575

After 18+ months of development and testing, BoostLine rods proudly brought new, 2,000+ ft. lb. of torque-capable connecting rods to Cummins and Duramax diesel engine owners. With BoostLine?s great success in gas engine applications, its engineers have tailored the patented, 3-pocket design specifically for Duramax and Cummins diesel engines, creating the most robust diesel connecting rod in the industry. BoostLine diesel rods are forged from 4340 steel and feature dramatically improved big-end stability under tensile loads thanks to the 3-pocket design. ARP 2000, 12mm fasteners are included standard with all BoostLine diesel rods, improving clamping force by 20% to prevent rod cap stretch while also aiding in ease of engine assembly. BoostLine diesel rod designs were proven with 50+ hours of in-engine, durability dyno testing and quality is assured with a 26-point, CMM inspection reported for each individual rod. BoostLine connecting rods are the complete package for your next high-performance diesel build, from powerful projects to all-out competition trucks.