For sale is an excellent Winters #8506 quick change gear set with 23 and 25 teeth. This is set in a 4.11 ring and pinion rear end this yields a final ratio of 4.48 and in a 4.86 ring and pinion rear this yields a final ratio of 5.28. This is a 10 spline gear and in excellent condition. Thanks for looking and as always I combine shipping when possible.