Competition Clutch Stage 1 Gravity Clutch Kit 350Z / G35 (2007-2009) 370Z / G37 (VQ35HR and VQ37HR) Hyundai One bottle of SI-1 to

One bottle of SI-1 to a tank of fuel can reduce octane requirements by two numbers

The louvers were added to the roto-molded housing to increase the cold air to the air filter

- Certifications: UL

5L Sedan (2010+) F: 1

All the while reducing drone in the cockpit

Competition Clutch Stage 1 Gravity Clutch Kit 350Z / G35 (2007-2009) 370Z / G37 (VQ35HR and VQ37HR) Hyundai One bottle of SI-1 toCompetition Clutch specializes in manufacturing sport compact performance clutch and flywheel products designed for virtually all levels of the industry including the Nissan 350Z 70Z and Infiniti G35 G37. From street driven vehicles to dedicated track cars (and everything in between), Competition Clutch is guaranteed to have the right setup for your needs. Competition Clutch proudly provides state of the art clutch and flywheels assemblies for some of