Ultimate strength and affordability is what the Lunati line of H-beam connecting rods are all about. Lunati rods are forged from aircraft grade 4340 alloy steel forgings...and that is just the beginning. They are then heat treated, stress relieved, shot peened and magnafluxed to ensure the highest level of durability. Each set is weight matched to +/- 1.5 grams and utilize ARP® cap hardware. Ideal for high performance street & race engines. Horsepower capability depends on various factors including rpm, poweradders, tuning, etc.