Fel-Pro 326-455 Pontiac Exhaust Port Size 1.53" x 2" MAHLE Original Air-Gap design features an open

Air-Gap design features an open air space under the plenum

many with CARB Approved EO#s on Exhaust headers

Precision machined rather than stamped for the ultimate in accuracy

Its external pre-filter features uniform micro openings that filter out most dust and debris before it can reach the internal filter

Fel-Pro 326-455 Pontiac Exhaust Port Size 1.53" x 2" MAHLE Original Air-Gap design features an openFel 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