These are .110" thick laminate and have a steel shim in them for strength with a silicone coating on the gasket material so they will not stick and will last under the most extreme conditions. Fits all Noonan 4.8 or 4.9 Hemi engine blocks. NHRA fuel legal.
Gasket has fourteen 5/16" stud holes and measures 22.50" x 9.125" inside the gasket.
If you need to order oil pan stud or nuts fourteen is the magic number for this gasket.