Richmond Ring and Pinion Set - 4.56 12 Bolt GM Pass 11182A The R2 radio is replacing

The R2 radio is replacing the best-selling CP200D radio

GM 10-Bolt 1964-71

more power and reduced plug fouling during idling

You will need to shim the brace with 3/8-inch of spacers or purchasing Hotchkis Performance Convertible brace Part# 1404

This kit includes one Positive (red) and one Negative (black) terminal block with 3/8" studs that allows for the connection of battery cables through a bulkhead

Richmond Ring and Pinion Set - 4.56 12 Bolt GM Pass 11182A The R2 radio is replacingProduct Description: Ring and Pinion Pro Gear 4. 56 Ratio 30 Spline Pinion 4 Series 8. 875 in GM 12 Bolt Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more. Racecars around the world rely on Richmond premium gearsets and Transmissions; your hotrod will run