Weistec Engineering announces the one and only CNC port solution for the M156 engine platform.
Utilizing state of the art technology in CAD digitizing and analysis, Weistec Engineering has created the most consistent, and efficient method of port technology for the M156 engine platform. This proper port design nets a significant increase in laminar intake, and exhaust air flow.
*Product may not be emissions compliant. Check local laws prior to installation.?