Corvette Rear Differential - 3.42 GM : 1997-2004 C5 & Z06

SKU: 11111769
Manufacturer Part Number: 12572683
Availability: Usually Ships In 3-5 Days
This lower gear ration will greatly improve the performance of your stock or modified 1997-2004 C5 or Z06 Corvette!

The standard gear ratio is 2.73 and the performance option is 3.15. This 3.42 ratio out of the 2001-2004 Z06 Corvette, will provide a noticable performance increase in acceleration and with the C5 Corvette overdrive transmission, will only slightly reduce fuel mileage by 1-2 MPG. Not a bad sacrifice for this kind of performance gain!
• 1 Year Warranty

  • 3.42 gear ratio
  • GM 12 month warranty.
  • New Factory assembled differential.
  • Comes complete with speed sensor.
  • Quicker acceleration, will take .5 second off 1/4 mile time.
  • This is a bolt-on installation with no modifications for 6 speed manual cars.
  • Custom computer calibration required for Auto trans cars only.


Warning Symbol WARNING: Cancer and reproductive harm -