Yukon Gear & Axle 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt Bellhousing Bolt Kit GM A / F /

GM A / F / G-Body

All the features of our race carburetors merged into one street-friendly package

It's completely reversible and couldn't be easier

Raised runners

Yukon Gear & Axle 3.73 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt Bellhousing Bolt Kit GM A / F /Yukon Gear Ring & Pinion Gear Set For GM 12 Bolt Truck Differential, 3. 73 Ratio Fits GM 12 bolt truck, 3. 73 ratio. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off road, or at the track; Yukon Ring and Pinion sets