Clears a 4" stroke with a steel rod
Big Block Ford / Wedge
Highly effective material for firewalls
many with CARB Approved EO#s on Exhaust headers
Air-Gap design features an open air space under the plenum
Fel-Pro 326-455 Pontiac Exhaust Port Size 1.53" x 2" MAHLE Original Clears a 4" stroke withFel 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, 326 (5. 3L), 350 (5. 7L), 389 (6. 4L), 400 (6. 6L), 421 (6. 9L), 428 (7. 0L), 455 (7. 5L) Resists blowout and burnout from high temperature