Manley H-Beam Connecting Rods with 3/8" ARP 2000 Bolts for the Nissan RB25DET, RB26DETT are designed for the budget conscious enthusiast. These very high quality, yet economical, H-Beam design connecting rods are manufactured from the finest 4340 alloy forgings. They are then fully machined, heat treated, stress relieved, shot peened, and magnafluxed. Each rod is also included with 3/8" ARP 2000 bolts. Price includes complete set of (6) connecting rods and (12) rod bolts.