Fel-Pro Intake Manifold Gaskets - SB Chevy - Aluminum Heads w/ Non-Conventional Ports, Chevy Raised Runner & Pontiac 867, BRODIX -12SP, -18SP - Std, - 1.31" x 2.02" Port Size - .120" Thickness H761001XS 677 in Long

677 in Long

1980-1985 GMC K2500

1965-1980 Chevrolet Impala

565" OD and fits applications with 5/16" valves and

Vehicle Applications: 2014-2018 Chevrolet Silverado 1500 97

Fel-Pro Intake Manifold Gaskets - SB Chevy - Aluminum Heads w/ Non-Conventional Ports, Chevy Raised Runner & Pontiac 867, BRODIX -12SP, -18SP - Std, - 1.31" x 2.02" Port Size - .120" Thickness H761001XS 677 in LongFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 262 (4. 3L), 265 (4. 3L), 267 (4. 4L), 283 (4. 6L), 302 (4. 9L), 305 (5. 0L), 307 (5. L), 327 (5. 3L), 350 (5. 7L), 400 (6. 6L); Raised Runner