Developed from OEM-type Group N gearbox components as an economical close ratio gearset upgrade for the Subaru 5-speed transmission. REM ISF® treatment is included as standard. Base kit includes gear kit with required custom metal 3.90 speedometer gear (4.11 or 4.44 (plastic gear) available by special request). Install kits are available to provide the additional parts necessary for proper installation into specific applications.
Gear Ratios: 3.083 / 2.062 / 1.545 / 1.151 / 0.825
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