Add to Cart 3.73 8.2in 10 Bolt GM RICHMOND MSRP: Now: $399.99 Was: Ring and Pinion - 3.73 Ratio - 17 Spline Pinion - 3 Series - 8.2 in - GM 10-Bolt - Kit RIC49-0099-1
Add to Cart 5.38 8.5in 10 Bolt GM RICHMOND MSRP: Now: $356.99 Was: Ring and Pinion - 5.38 Ratio - 30 Spline Pinion - 3 Series - 8.5 in / 8.6 in - GM 10-Bolt - Kit RIC69-0173-1
Add to Cart 3.23 8.5in 10 Bolt GM RICHMOND MSRP: Now: $356.99 Was: Ring and Pinion - 3.23 Ratio - 30 Spline Pinion - 3 Series - 8.5 in / 8.625 in - GM 10-Bolt - Kit RIC49-0019-1
Add to Cart 4.56 8.5in 10 Bolt GM RICHMOND MSRP: Now: $356.99 Was: Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 3 Series - 8.5 in / 8.6 in - GM 10-Bolt - Kit RIC69-0167-1
Add to Cart GM 8.5in Ring & Pinion 3.73 Ratio MOTIVE GEAR MSRP: Now: $309.99 Was: Ring and Pinion - Performance - 3.73 Ratio - 30 Spline Pinion - 8.5 in - GM 10-Bolt - Kit MOTG885373