Seal-4-Good flange gaskets offer you a reusable blow proof gasket at an affordable price. The multi-layered “dead soft” aluminum is malleable and conforms to your flange again and again. Seal-4-Good reusable flange gaskets can also be easily and precisely port matched for uninterrupted flow.

• For Chrysler Big Block (383-440) Engines
• 1.5" x 1.75" Square port
• Constructed of "dead soft" aluminum
• 100% reusable
• Multiple layers conform to header flanges and small imperfections that copper gaskets simply cannot
• Port matched to create the ultimate seal for uninterrupted flow
• Will not blow out or burn out