Gear-X 1st Gear: 2.3125 (Countershaft)

Gear-X 1st Gear: 2.3125 (Countershaft)
    Some images may be for reference only

    Review this product


    Free Shipping
    Inside Continental United States

    Ships direct from Gear-X
    Please contact us for availability


    Earn 611 reward points. Learn More

    Will It Fit Your Vehicle?


    The Gear-X countershaft 1st gear requires that you use the Gear-X mainshaft and Gear-X 2nd gear in order to install this 1st gear.

    This gear will not work with an OEM mainshaft.

    The ratio is 2.3125 and is rated for up to 500 horsepower.

    This is the first gear from the Gear-X Drag Kit, Pro Spec I, Pro Spec II and Pro Spec III gear sets.


    • Part Number: AC-1101
    • Gear: 1st
    • Gear Ratio: 2.3125
    • Gear Type: Countershaft
    • Manufacturer: Gear-X

    Vehicle Fitment

    Acura RSX
    2002 Acura RSX Type-S
    2003 Acura RSX Type-S
    2004 Acura RSX Type-S
    2005 Acura RSX Type-S
    2006 Acura RSX Type-S
    2002 Acura RSX Manual
    2003 Acura RSX Manual
    2004 Acura RSX Manual
    2005 Acura RSX Manual
    2006 Acura RSX Manual
    Honda Civic
    2002 Honda Civic Si Hatchback
    2003 Honda Civic Si Hatchback
    2004 Honda Civic Si Hatchback
    2005 Honda Civic Si Hatchback
    2006 Honda Civic Si Coupe
    2007 Honda Civic Si Coupe
    2008 Honda Civic Si Coupe
    2009 Honda Civic Si Coupe
    2010 Honda Civic Si Coupe
    2011 Honda Civic Si Coupe
    2007 Honda Civic Si Sedan
    2008 Honda Civic Si Sedan
    2009 Honda Civic Si Sedan
    2010 Honda Civic Si Sedan
    2011 Honda Civic Si Sedan

    Product Reviews

    Be the first to review this product

    Add Your Review