Close Ratio Gear Kit for Acura Integra Type R

Close Ratio Gear Kit for Acura Integra Type R


Regular price$1,820.00
Shipping calculated at checkout.

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OS Giken Close Ratio Gear Kits are carefully researched and designed for each engine’s 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.

Each OS Giken gear kit component is designed and created from high-quality forged materials, and then undergoes hard shot peening, resulting in increased strength and durability. The gears are helical-cut, rather than straight-cut, to maintain a quiet and smooth operation, accomplishing comfort for street driving as well as reliability for racing.


- Honda Civic Type-R (EK9 CTR)
- Honda/Acura Integra Type-R (DC2 98 SPEC ITR)
- S80 Gearbox

Product Details:

- Close Ratio Gears
3 Speed: 1st: 3.077 2nd: OEM 3rd: 1.600 4th: 1.261 5th: OEM
4 Speed: 1st: 3.077 2nd: 2.158 3rd: 1.600 4th: 1.261 5th: OEM
5 Speed: 1st: 2.818 2nd: 2.000 3rd: 1.471 4th: 1.136 5th: 0.926
- OEM Synchros & Bearings used for installation (not included)

*Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to:

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