This oil filter extension kit 28801-S09K for GM Powerglide units is designed for use with Sonnax oil pan 28801-S. The kit properly positions the oil filter further toward the rear of the pan to ensure fluid is picked up under hard acceleration and to match the wedge shape and depth of the Sonnax pan.

• Designed to work with Sonnax oil pan 28801-S
• Positions filter deep in the rear of the pan, below the baffle
• Made from high-quality aluminum
• Includes all necessary mounting hardware and gaskets