Close Ratio Gear Kit for Mazda FC3S RX-7 5-Speed

We carefully research each engine and intended racing application to formulate the most suitable gear ratios to maximize the engine’s potential. The gears are intended to keep the engine operating at its peak optimal power-band thus allowing the vehicle to continue to accelerate as efficiently as possible.

Fitment:

• Mazda RX-7 (FC3S)

Product Details:

• Close Ratio Gears
• 1st: 2.578:1
• 2nd: 1.772:1
• 3rd: 1.289:1
• 4th: 1.000:1
• 5th: 0.821:1
• Reinforced Input Shaft included
  
• Chemically heat treated for strength and long lasting service live.