The standard blow-off valves on these cars are made of plastic

Check out this rack relocation kit for your Nissan 370Z or Infinity G37

for example 5x100 to 5x98

Replacement Diaphragm for Power Port BOV

Clutch Kit - Xtreme Performance Heavy Duty Organic KCR28007-1A Ceramic coating The standard blow-off valves onThe Stage 1 clutch kit uses an upgraded pressure plate with increased clamping pressure, combined with an organic friction disc. Stage 1 delivers substantial increases in performance and power holding capability whilst retaining near factory type driveability, and is designed primarily for high performance road going vehicles. These kits feature a high quality cover with increased clamping force compared with standard, between 20 40% depending on the