ARP Hardware Pack for BMW Toyota B58 740 the RM-4089 is precision-built using

the RM-4089 is precision-built using Quick Time’s proprietary spin-forming process

the larger the vent

a 1/8” NPT sensor port for temperature monitoring

aligned horizontally - an aerodynamic design that creates a vacuum force while driving

ARP Hardware Pack for BMW Toyota B58 740 the RM-4089 is precision-built usingBMW Toyota B58 Complete ARP Engine Hardware Package All In One Strength for High Power Builds Upgrade your entire bottom and top end with the BMW Toyota B58 Complete Engine Hardware Package by 5150 AutoSport, featuring 100% genuine ARP components. This all inclusive kit is specifically designed for the BMW Toyota B58 engine found in models like the GR Supra, M340i, M240i, and 440i xDrive. As your B58 build pushes past factory power limits, OEM torque