The J&J Performance Sportsman Engine Diaper is a ballistic lined, universal sized lower engine containment device designed to fit applications from 6 quart wet sump oil pans through 13 quart, dry sump systems. The adjustable front and rear attachment straps hold the diaper away from the balancer and flywheel. All necessary mounting hardware is included with this diaper. The J&J Performance Sportsman Engine Diaper has received SFI Spec 7.2 certification and meets all of the new sportsman engine containment system (also known as oil retention device) guidelines recommended or required by various racing sanctioning bodies, organizations, and racing facilities including the NHRA - National Hot Rod Association and IHRA - International Hot Rod Association.