Racing Engine Design 370 Gen III Chevrolet LS Engine - Budget Bombshells Photo Gallery
The chambers of the LS7 heads were absolutely untouched from the factory. GM engineers worked long and hard to get the design this efficient in a mass produced engine. The double-quench design was an evolution of the heart-shaped wedge. Champion racing spark plugs like these angle-electrode versions were used by a number of competitors at the EMC for the quality and performance they offer.