Win with Motive Gear!, Chrysler 9., 25 , GM 7., 5, 7., 625 , GM 7., 60 IFS , GM 7., 75 Borg Warner , GM 8., 0 Motive Gear MGK-229 Motive Gear Ring and Pinion Gear and Installation Motive Gear 14066913 Size Motive Gear Mustang Super 8.8 Differential F75Z4216AA Ring Gear Bolt This Motive Gear Ring Gear Bolt (Part # 14066913) does not fit your 1999 Yamaha 250 Grizzly. The exact timing gear bolt for your vehicle is currently unavailable online With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Ring Gear Bolt – Motive Gear All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities.