HR3 SAE 15W-50 | Case (12 Quarts) Corvette A semi-synthetic 10W-40 racing oil

A semi-synthetic 10W-40 racing oil based on our proven XP5 racing oil

and the fully synthetic formula provides improved thermal stability for less pressure drop as temperatures rise

For rear ends/differentials consider Driven GP-1 GL-5 80W-90 over this product as it contains higher levels of extreme pressure additives and limited slip

and high-octane fuels

Automatic Transmission Fluid Synthetic Type F

HR3 SAE 15W-50 | Case (12 Quarts) Corvette A semi-synthetic 10W-40 racing oil12 Quart Case HR3 SAE 15W 50 Synthetic Hot Rod Oil Features storage protection additives that guard against rust and corrosion during winter storage. No ZDDP additives required. Viscosity typical of 15W 50. Driven Racing Oils are formulated for Classic & Racing applications only. This engine oil does NOT MEET any current API or OEM Engine Oil Specifications. These engine oils are not intended for use in vehicles equipped with catalytic converters. For