Hi, i have 2 overdrives for sale at the moment off both of my series trucks gas engine..one is my 65 2a 88 and other is my 79 109 series 3..both in great running condition. i dont use the overdrive since i did my gear ratio swap..both in working condition and comes with all hardware. if you need info or pic. 703-586-0207. asking 900 for each..thanks.