4.88 4runner Front Gears Trail Gear 7.5 Inch Trail-Creeper Band & Pinion Gears Looking for a Ring & Pinion that you tin rely on even on the most punishing trails? Trail-Gear is proud to offer Trail-Creeper Ring & Pinion Gears. These are the very same gears that have won multiple championships on the W.E. Rock circuit and take proven themselves on some of the almost grueling off-road courses in the world. Our Trail-Creeper gears are made from tool-form 8620 steel and estrus-treated for maximum strength and wear resistance. The gear teeth are cutting using Gleason CNC hobbing machines & cutters. Gleason gear-cut technology produces an unprecedented level of accuracy and surface finish, which allows the gears to transmit more torque and improve fuel efficiency. The higher accuracy and surface finish also produces a quieter-running gear set, which ways they volition piece of work bang-up on