improve airflow

CP-Carrillo pistons are the best choice for any S14 2

Turbo sizing 62-72mm

SP Components is highly regarded for their reinforced H-beam rods

5150 AutoSport High Performance Main Bearing Set, BMW S58 E85 improve airflowDesigned specifically for high performance engine builds, the 5150 High Performance Coated Main Bearing Set for BMW S58 engines offers exceptional reliability and durability. Each bearing is treated and coated by Calico, significantly reducing friction and enhancing engine efficiency. This advanced coating technology allows the engine to generate more power while resisting "spinning" under extreme conditions, making it an ideal choice for racing and