Maxima Racing Oils 39-34505B Semi-Synthetic, 10W40, 5 Gallons

Semi-synthetic, ester-based automotive engine oil designed to ensure optimum protection and peak performance for race and hot rod engines. Surface-active ester synthetics provide exceptional oxidative and thermal stability while preserving film thickness and wear resistance across all operating temperatures. Worldclass, proprietary additive system facilitates maximum power, efficiency and cleanliness for unrivaled engine performance and durability. Features: Superior protection at any temperature. Shear-stable, ester-based formula maintains oil viscosity and film thickness. 2X Zinc System provides maximum protection for flat tappet cams and roller cams. World-class, proprietary additive system and esters combine to virtually eliminate oxidation and wear. Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean.