63-79 3.90 Ring & Pinion

Revive your C2/C3 Corvette's factory rear end or upgrade your differential for some new found performance, with a fresh set of ring & pinion gears from Zip Corvette. Ring & pinion gears are matched sets to eliminate noise and whine when rebuilding your Corvette's differential. 3.90 ratio. Direct fitment 1965-1979 Corvette. Replacement for 1963-1964 Corvette rear ends; must use fine spline yoke when installing.

Note: 1963-1964 Corvette used a coarse spline pinion; 1965-1979 Corvette used a fine spline pinion. This gear set can be installed into a 1963-1964 differential but the front yoke will need to be replaced with a 1965 and later version.

These are the same ring & pinion gears that Zip Corvette uses for our in-house differential rebuild service. If you would rather trust the experts at Zip for a complete differential rebuild - call a Zip salesperson for details on rebuilding your Corvette's factory differential or a replacement differential available beforehand with a core charge.