For sale is a never used set #1 of SCS 10 spline quick change gears that have been REM polished. This is a 4.86 ratio set with a 4.86 rear end and a 4.11 ratio with a 4.11 rear end. This set has been lightly used. This is a 21/21 tooth set and ready to go racing. Thanks for looking and as always I combine shipping when possible.