The Gear-X 1st and 2nd gear set includes the mainshaft, 1st gear countershaft, and 2nd gear countershaft.
This will work with OEM 3rd through 6th gears and final drive.
The first gear ratio is 2.3125 and the second gear ratio is 1.65. It is rated for up to 500 horsepower.
Images may be for reference only
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