Precision-forged N20 QX-beam connecting rods engineered exclusively for BMW N20B20 engines with exact 144.35mm center-to-center length. Aerospace-grade 4340 chromoly steel construction undergoes triple heat treatment for ultimate tensile strength. Computer-balanced within 0.1g tolerance for vibration-free performance at 8,000+ RPM. CNC-machined bronze bushings and fracture-split big ends ensure perfect bearing alignment. Direct replacement for OE# 11248617292 with upgraded durability for tuned applications. Ideal for turbocharged builds, track days, or high-mileage reliability seekers. Weight-optimized design reduces reciprocating mass while maintaining OEM crash safety specs. Includes premium ARP2000 bolts for 30% higher clamp load than factory fasteners.