2-Bolt Stainless Steel Exhaust Flange 2.5in Collector Flange - 2-Bolt - 2.5 in ID - 0.375 in Thick - Stainless - Natural - Each

3-Bolt Stainless Steel Exhaust Flange 2.5in Collector Flange - 3-Bolt - 2.5 in ID - 0.375 in Thick - Stainless - Natural - Each

2-Bolt Stainless Steel Exhaust Flange 3in. Collector Flange - 2-Bolt - 3 in ID - 0.375 in Thick - Stainless - Natural - Each

3-Bolt Stainless Steel Exhaust Flange 3in. Collector Flange - 3-Bolt - 3 in ID - 0.375 in Thick - Stainless - Natural - Each

Exhaust Header Bolt Kit Olds 330-355 Header Bolt - 3/8-16 in Thread - 0.75 in Long - Hex Head - Chromoly - Black Oxide - Oldsmobile V8 - Set of 14