From Mr. Gasket, Aluminum Reusable Collector Gaskets, part # 7421G. These were bought to use on a '72 Chevelle, but then decided not to make the change.
NEW MR. GASKET OIL PAN GASKET,MOLDED RUBBER.093" THICK,1991-2000 BBC 454-502
NEW Mr. Gasket 4364 High Performance Engine Thermostat 180 Degree GM/Ford (W7)
New Mr Gasket #29 Rear Main Seal, 1986-Up Small Block Chevy
Mr Gasket 7420G Aluminum Collector Gasket
Mr. Gasket 7420G Aluminum Exhaust Header Collector Gasket, 2.5" Diameter
Mr Gasket 7421G Aluminum Collector Gasket
