Chase if necessary with ARP Thread Chaser

it is a MUST to drill and tap the four outer 9mm holes in the engine block to increase their size to 11mm holes

offering a top-quality alternative

The 4119 Series maintains compliance with FIA 8855-1999 standards

adding in a custom cast aluminum manifold with optimized runners flowing into CNC’d aircraft-grade 6061 aluminum velocity stacks to smooth out airflow and reduce disruptive turbulence entering the throttle bodies

BMW S54 Short Block Assembly Service 11127853937 Chase if necessary with ARP5150 AutoSport Short Block Build Service for BMW S54 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. When your BMW engine needs to be built right the first time, 5150 AutoSports Short Block Assembly Service delivers the precision, consistency, and experience demanded by high performance BMW builds. This service is performed in house by BMW focused engine builders