Details
Fits 68-79 GM A-body; 70 1/2-81 F-Body; 69-77 G-Body, 69-81 B-Body with these heads: RA II, RA IV, 455 HO, 455 SD, Edelbrock heads.
Manifolds are 455SD design (the largest Round Port design).
Original casting numbers on Manifolds: LH 490803, RH 490802 Exact Reproductions from GM blueprints.
RAIV pns now available by request!
LH requires 2 bolt flange, RH requires 3 bolt flange; Collector size is 2.2"
GET $25.00 OFF WHEN YOU ORDER OUR X-CROSSOVER EXHAUST SYSTEM WITH OUR FACTORY HEADERS!
OPTIONAL CERAMIC COATING:
Castings are port matched to Pontiac Blueprint then thermal barrier ceramic coating is applied on interior and exterior. Choice of Silver or Gray. 3-year Guarantee. Will not burn off, fade or peel. Reduces header temperature 40%! Silver is chrome-like. Gray looks stock.
Additional Information
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