This Mr. Gasket triangle Exhaust Header Collector Gasket has a 3 inch pipe diameter and is made of compressed fiber laminate. .
Mr. Gasket 1204 3 Inch Performance Collector Gasket
Mr. Gasket 1204 GASKETS
Mr. Gasket 1204 Collector/Header Muffler Gaskets 3 Bolt Holes; 3 in. Dia.
Mr Gasket 1204 Collector/Header Muffler Gaskets