PEM Standard Quick Change Gear Set 1.000 Spur Ratio Set 1 10 Spline - 4.11 Ratio 4.11/4.11 Spark Plug Wire Boot The housing is completely potted

The housing is completely potted with an epoxy compound for vibration resistance and installs with sturdy vibration mounts

3/4 in Tube

standards required for newer modern gasoline and diesel powered automobile engines

and square oil fill and PCV grommets included

1986-1990 GMC C1500

PEM Standard Quick Change Gear Set 1.000 Spur Ratio Set 1 10 Spline - 4.11 Ratio 4.11/4.11 Spark Plug Wire Boot The housing is completely pottedProduct Description: Quick Change Gear Set Standard Set 1 10 Spline 4. 11 Ratio 4. 11 4. 11 4. 86 Ratio 4. 86 4. 86 Steel Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.