ACL Main Bearings for 2015-2023 Audi RS3 (6M5587H-STD) Whiteline APR Side Rocker Extensions help

APR Side Rocker Extensions help reduce lift at high speeds by preventing air at the sides of the car from rolling underneath the car

This design essentially doubles the cooling capacity while still fitting perfectly in the OEM position with no modifications necessary

-Mishimoto Activation Temp 154

It is a must for users who want highly accurate boost pressure readouts up to 60 PSI or 4 BAR in their high performance vehicle

ACL Main Bearings for 2015-2023 Audi RS3 (6M5587H-STD) Whiteline APR Side Rocker Extensions helpACL RACE Series engine bearings are renowned in motorsports for their quality and performance. Trusted in record setting and championship winning race engines worldwide, they offer unmatched endurance and capability. Available for various American, Asian, and European performance engines, ACL RACE Series bearings are the choice for high performance applications across different racing disciplines. Available in oversizes and with 0. 025mm 0. 001" more