Suits all 2002 onwards model WRX (5 Speed). Does Not suit STI vehicles equipped with 6 speed gearbox.
APS’s increased torque capacity gearset fundamentally alters the design of the geartrain with a number of objectives.
Full synchromesh action retained for maximum streetability
Helical tooth gear design for maximum durability
Maximum increase in torque capacity, within the physical dimensions of the standard gear box housing.
The torque capacity improvement is achieved through retention of the stock ratios, coupled with a reduction in the number of teeth per gear, increase in gear width and improvement in gear material.
The APS gearset is without doubt the finest solution possible for high performance street driven WRX’s, equipped with the 5 speed transmission. Able to handle325 ft/lbs on a continuous basis, the APS gearset is the perfect partner to you modified WRX engine.
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