1963-72 Overdrive Transmission Conversion Kit
Our Overdrive Automatic Transmission Conversion Kit allows you to increase your fuel economy and performance of your 1963-1972 GM pickup by installing a 700R4 or a 4L60 over drive transmission. You will gain deeper first gear starts for quicker acceleration and a 30% overdrive on top end for better fuel economy. This kit allows your transmission to perform properly without need for a computer. This kit comes complete with a new crossmember and mount, stainless shift linkage, adjustable vacuum switch, pressure switch, solenoid and all the necessary wiring and hardware to complete your conversion properly. You will gain deeper first gear starts for quicker acceleration and a 30 percent overdrive on top end for better fuel economy.