GP-1 Synthetic Blend 20W-50 | 2.5 Gallon Big Block Chevy With the discontinuation of Driven

With the discontinuation of Driven FR50 5W50

HVL will not harden or cause parts to become "sticky

The 5W-20 viscosity is ideal for modern engines with stock bearing clearances or competition engines with lower oil temperatures

Recommended by leading camshaft manufacturers

It also features high temperature protection and shear stability while offering improved low temperature flow and seal protection

GP-1 Synthetic Blend 20W-50 | 2.5 Gallon Big Block Chevy With the discontinuation of DrivenDesigned for competition vehicles, classic cars, and imports, with high performance engines requiring a 20W 50 viscosity. GP 1 is compatible with Methanol, E85, and high octane race fuel. Blended with genuine Pennsylvania Grade base oil, GP 1 achieves a higher Pressure Viscosity Coefficient for excellent HTHS film thickness. GP 1 delivers maximum engine protection by utilizing Driven? s High Zinc (ZDDP) additive technology. The GP 1 20W 50 is ideal