This is the highly sought after reverse idle gear for 1st and second generation 4Runners as well as Toyota pickups with the W56 transmission (1984-1995). This gear is made from 4140 chromoly steel and will have hardened gear teeth. This version has the 10mm wide groove. If you have the 8mm wide groove version, please preorder from my other listing. I will be making both versions available in June 2026. Preorder now for a 7.5% discount!