Chevy Big Block Exhaust Gaskets – 1-13/16" x 1-7/8" Square Port

Remflex exhaust gaskets for Chevrolet big block V8 engines, including 396/6.5L, 402/6.6L, 427/7.0L, and 454/7.4L. These gaskets feature 1-13/16 inch by 1-7/8 inch square exhaust ports matched to the factory port shape, making them suitable for both stock exhaust manifold and aftermarket header applications. Comparable to Fel-Pro 1410. Sold as a set of two.

Fits the following engines:
• 396 (6.5L)
• 402 (6.6L)
• 427 (7.0L)
• 454 (7.4L)
• 454/502 Gen Mark IV, V, VI (1965 and later)

For engines produced after 1990, use PN 2030.

Suggested torque: 20–25 ft-lbs.

• Square-port exhaust gaskets
• Port size: 1-13/16" x 1-7/8"
• Fits big block Chevy 396–454
• Works with manifolds and headers
• Sold as a set of two