Description
PRO XTREME TWINS BMW S58 Twin Turbo Kit E46 328 Investing in cylinder head porting v band Diagram Reference Bushing Type:22 Rear Diff Rear Mounting Bushing Race THR 02 backed by 55 years Investing in cylinder head porting for your BMW engine enhances airflow efficiency for improved engine power Make sure to align the arrow etched on the piston dome toward the major thrust side of the cylinder for correct fitment and efficiency