The popular manual steering boxes for the classic Mustang (65-70) are Back in Production! All new casting, sector gear shaft and internals–not a rebuild. Replace that worn steering box with a brand new needle bearing steering box and experience the difference in steering handling and performance. Popular 16:1 ratio.1965-66 Steering kit includes steering box,with 1" sector shaft and long steering shaft. (42-1/8" overall length from edge of box to end of shaft)1967-70 Steering kit includes steering box,with 1 1/8" sector shaft and short steering shaft.