Aluminum Flywheel by Clutch Masters Every Clutch Masters flywheel is proudly designed and manufactured in the USA. Flywheels are first designed in CAD and are then precision CNC machined in house in one of or Haas CNC lathes out of 6061 aluminum or 1045 steel billet cores. After machining, the flywheel is zero balanced to ensure it is evenly weighted on all sides and spins 100 per cent true. Each aluminum flywheel is Type 3 Hard Anodized for the ultimate in durability and protection of the aluminum. All steel flywheels are black oxide coated to add a layer of rust prevention and gives our steel flywheels a unique black finish. The flywheel is then assembled by a Clutch Master Craftsman, double checked for imperfections and tolerances. All flywheels are SFI 1.2 Certified for use in motorsports. Features Clutch Masters Aluminum Flywheel Benefits Proudly designed and manufactured in the USA Flywheels are first designed in CAD Precision CNC machined Zero balanced to ensure it is evenly weighted on all sides and spins 100 per cent true Applications 1989 – 1996 Nissan 300ZX What\’s In The Box? 1 – Aluminum Flywheel Warranty Manufacturers Standard Warranty