Yukon Gear Dura Grip Case / GM 12 Bolt Car / 3 Series

This bare Dura Grip case features high-strength nodular iron construction and precision machining. It’s ready to accept spider gears, clutches, and springs.

• Dura Grip Positraction carrier case
• Fits GM 12 Bolt Passenger Car
• Does not include spider gears
• 3.08 - 3.90 ratios only
• 3.08/3.90 Ratios Only