Exhaust Manifolds - HO Pontiac "Round Port" This is the seal we

This is the seal we recommend and prefer exclusively

These bump stops help aid body panel alignment and are worth replacing when worn to save troublesome expensive body problems

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Fits the Firebird 1967-68 & the '68 GTO / Le Mans

Exhaust Manifolds - HO Pontiac "Round Port" This is the seal weThese are the replicas for Pontiac V8 powered 60's & 70s vehicles with specific "Round Port" heads.. being an "O" type port opening. Most were "D"port.. so unless you have say Edelbrock Heads or actual Pontiac Round Port heads these are no good to you.. They are specifically found on 69 74 era Firebird & GTO usually fitted only with performance 400 & 455 motors. These will fit up to the LH Drive.. 70 81 Firebird that has ROUND port heads.. not the