ARP 640-1500 SAE Bolt Kit 1/4-20 x 1.500 12pt black oxide bolts ymm_9 this high-grade titanium header set

this high-grade titanium header set features a special manifold runner crossover part on each side

G21) and M440i (G22

Race-proven materials for reduced weight and durability

the Slip-On Line is a stunning design that combines performance with an incredible soundtrack and huge visual appeal

4% weight reduction compared to the stock exhaust

ARP 640-1500 SAE Bolt Kit 1/4-20 x 1.500 12pt black oxide bolts ymm_9 this high-grade titanium header setSpecifications Socket Size(s) 5 16 12pt UHL 1. 500 Thread Length 1. 000 Grip Length 0. 500 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515