Manley Connecting Rod Set, BMW N55/S55, I-Beam Turbo Tuff CR330022 Stock valve springs often falter

Stock valve springs often falter under increased lift and RPMs

built for strength under extreme loads

Big Bearing (44

- Safeguard Engine Block Threads: Because ARP Main Studs have unmatched tensile strength

more precise crank alignment for stability and longevity

Manley Connecting Rod Set, BMW N55/S55, I-Beam Turbo Tuff CR330022 Stock valve springs often falterManley Performance I Beam Connecting Rod Set, expertly crafted from 4340 forgings, exclusively designed for N55 and S55 engines. Specifically engineered to replace BMW part #11247624615 and #11247586492, these rods are specifically designed for BMW N55B30 and S55B30 engines with a length of 144. 35 mm. These rods are capable of enduring RPMs of up to 9500, showcasing exceptional strength to handle forced induction engines generating up to 1400HP.