11-03-2024, 12:46 PM

poncho-mike poncho-mike is offline

Ultimate Warrior

Join Date: Feb 2002

Location: Raleigh, NC

Posts: 2,115

1973 Firebird exhaust manifold p/n's

What are the part numbers for standard 455 Trans Am exhaust manifold p/n's.

I've seen Ebay ads listing 490142 and 490149 and 490142 and 490143. The Wallace racing website only shows the p/ns for the higher performance versions.

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