Part Number: 10683. Manufacturer Part Number: 10683. Viscosity: 10W 40 sae_grade. This specially formulated oil is designed for muscle, showroom, classic, and trophy cars without catalytic converters.
10683 Hot Rod & Classic Car SAE 10W-40 Motor Oil - 5 Quart. Specially formulated for muscle, showroom, classic and trophy cars without catalytic converters.
