ultra-hard coating applied to metal components to reduce friction

This design reduces friction against the cylinder wall for less piston noise

The fuel filler typically secures to the vehicle body

essential for withstanding the demands of rigorous racing environments

RK Autowerks S63 Stage 2 Turbo Upgrade 101-0165 ultra-hard coating applied to metalService requires customer cores. The RK Autowerks S63 Stage 2 Turbo Upgrade by RK Autowerks is engineered for enthusiasts seeking substantial power gains without sacrificing the drivability or reliability of the factory turbo system. This upgrade preserves stock style spool characteristics and maintains full launch control functionality, making it ideal for street and track performance. To accommodate larger internal components, OEM turbo housings are