PROFORM 67921 Small Block Chevy Aluminum Exhaust Header Manifold Gaskets, 1.5-Inch Square Port, Pair

Upgrade exhaust sealing on your small block Chevy with the PROFORM 67921 Exhaust Header and Manifold Gasket Kit. Designed with a 1.5-inch square port opening, this pair of aluminum gaskets provides a precise fit between compatible cylinder heads and exhaust headers or manifolds. The application-specific design helps support a dependable seal while maintaining proper exhaust flow through the port connection.
Constructed from lightweight aluminum, these gaskets are suited for performance-oriented street and competition applications where reliable exhaust sealing is essential. The durable material helps resist the heat and pressure associated with the exhaust system, while the square-port configuration is designed for compatible small block Chevy setups. Verify header, cylinder head, and port specifications before installation to ensure proper fitment.
Each PROFORM 67921 kit includes two exhaust header or manifold gaskets for servicing both sides of a V8 engine. Installation should be performed on clean, flat mating surfaces using the manufacturer’s recommended fasteners and torque specifications. Proper preparation and installation help reduce the risk of exhaust leaks and support consistent engine performance.

Features:

• Application: Designed for compatible small block Chevy engines

• Port Style: 1.5-inch square port opening

• Material: Lightweight aluminum construction

• Quantity: Includes a pair of exhaust header or manifold gaskets

• Use: Supports reliable sealing between compatible cylinder heads and exhaust headers or manifolds