Buy OEM Pontiac Part # 12470387 (1256654, 26016664, 31022719). COMPANION FLANGE. YOKE KIT. 8.5 Ring Gear. All. All Models. Blazer/Sonoma/S10. G10-20 Vans. G30 Vans. S-Series. S-Series; Manual Trans. w

7 1/2 Ring Gear; W/LOCKING Axle. 7 1/2 Ring Gear; W/O Locking Axle. 7 1/2" ring gear; 2. 14 Ratio. 7 1/2" ring gear; 2. 29 Ratio. 7 1/2" Ring Gear; 2. 29-3. 08 Ratio. 7 1/2" ring gear; 2. 41 Ratio. 7 1/2" ring gear; 2. 56 Ratio. 7 1/2" ring gear; 2. 73 Ratio. 7 1/2" ring gear; 2. 93 Ratio. 7 1/2" ring gear; 3. 08 Ratio. 7 1/2" ring gear; 3. 23 Ratio. 7 1/2" Ring Gear; 3. 23-3. 42 Ratio. 8 1/2 Ring Gear; B. 8 1/2 Ring Gear; C. 8 1/2" ring gear; 2. 41 Ratio. 8 1/2" Ring Gear; 2. 41-2. 56 Ratio. 8 1/2" ring gear; 2. 56 Ratio. 8 1/2" ring gear; 2. 73 Ratio. 8 1/2" Ring Gear; 2. 73-3. 23 Ratio. 8 1/2" ring gear; 3. 08 Ratio. 8 1/2" ring gear; 3. 23 Ratio. 8 3/4 Ring Gear. 8 3/4" & 8 7/8" Ring Gear; 2. 28-2. 56 Ratio. 8 3/4" & 8 7/8" Ring Gear; 2. 73-3. 08 Ratio. 8 3/4" & 8 7/8" Ring Gear; 3. 23-3. 42 Ratio. 8 3/4" Ring Gear.