These H-Beam connecting Rods are the strongest scat connecting Rods available. These scat H-Beam connecting Rods are perfect for Supercharged and nitrous applications. These Rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications. Forged 4340 material with ARP 7/16 8740 rod bolts make them very strong and affordable. H beam Rods with ARP 8740 bolts are rated to 750 horsepower on small blocks and 850 on Big blocks, ARP 2000 bolt upgrade brings the rating up to 1000 horsepower on small blocks, and 1200 on Big blocks.