The COMP Cams 96819-2 Sportsman Lifters Mechanical Roller is a pair of high-quality lifters designed for Chevy engines. These lifters have a 0.842 outer diameter and are manufactured by Comp Cams, a reputable brand known for producing top-notch valvetrain components. The pair of lifters is interchangeable with part number CO96819-2 from Summit Racing Equipment, making it easy to find and install the right components for your vehicle. Additionally, these lifters come with a California Prop 65 Warning for safety awareness.