With excessive heat generated from the exhaust manifold and headers the ignition system is vulnerable to the potential of burning hardening and cracking of ignition wires and boots that could lead to arching engine misfire and potential ignition system failure
GM Fullsize SUV / Truck 1977-87
875 to 2 in Primary
Rectangle Port
Fel-Pro Printoseal Performance Intake Manifold Gaskets - Cut to Fit - 1.9-2.3" x 1.25-1.4" Port - .060" Thick - SB Chevy 34012R With excessive heat generated fromFel 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) Performance