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Price: $759.00
HI FLOW Round Port Pontiac manifolds, 2.4" i.d. outlet Stock castings are less than 2.1. 490802 and 803 castings in original script and with casting dates. Use with RA IV, 455ho, 455sd and Edlebrock cylinder heads. Fits the following year/model70-81 fb/trans am68-87 gto/le mans/grand am69-87 grand prix71-79 bonneville, grandville, catThese castings are port-detailed and all internal machined surfaces are blended for flow. These are made in USA (unlike competitors manifolds) and Guaranteed for Life. Comes with gaskets, flanges and bolt kit. Ready to deliver the highest performance your engine is capable of.Ships to lower 48 for 66.00