Upgrade your Mitsubishi engine with the Manley Performance Manley 03-06 Evo 8/9 (4G63T) Turbo Tuff I-Beam Connecting Rod Set. Designed for high-performance applications, these rods are precision-engineered with forged 4340 or 300M vacuum degassed steel alloys to ensure strength, durability, and reliability under demanding conditions. The rods feature a center-to-center length of 6.142 inches, a big end bore of 1.890 inches, and a pin bore of 0.8671 inches, compatible with 22mm pin sizes. Equipped with 3/8" ARP 625+ bolts, they provide a secure connection capable of supporting over 1000 horsepower, making them ideal for high-performance, forced induction, and racing engines. These connecting rods are certified NHRA legal for stock and super stock classes, reflecting their quality and compliance with racing standards.