Tomioka Racing Close Gear Ratio Set (Subaru Impreza GC8 1998-2001 / 5 speed) TR-TM2005

Tomioka Racing
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From experiences and feedback from tuners, the load and strain is passed on to other parts of the vehicle as engine power is increased. Hence it is necessary to have good drivetrains that can transfer engine torque. TR Final Gear Set enables the modification of the final gear ratio, adjusting the power band and gear ratios to tune better performance car.

TR Close Ratio Gear Set for GC8/GDA (5 Speed) is designed to allow the demanding requirements of high power track/drag cars. It features superior strength, durability, and strictest level of quality control including extreme durability testing. It's proven 30% stronger and tougher than the Billet component. The premium grade steel, precise diamond cut, advance treatment process makes TR Gear Set stronger and tougher than OEMs. The Gear Set is proven to support up to 350 Wheel Horsepower and it's close gear ratios increases acceleration. TR Gear Set is definitely an ideal upgrade for high horsepower Impreza, track or street driving!

Application: Subaru Impreza GC8 1998-2001

Gear Type

Gear Ratio

Cut Type


1st Gear



SNAM420 Alloy Steel
2nd Gear 2.285
3rd Gear 1.667
4th Gear 1.238
5th Gear 0.958


  • TR Recommends to change all synchros (Subaru OEM) when upgrade grear ratio set. Please consult local installer.
  • Recommended fluid: Motul Gear 300 75W90 Motor Oil

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