One pair of intake flanges for the Buick Nailhead hot rod motor (see motor applications below). These flanges are cut with a CNC HD (High Definition) Plasma cutter out of 3/8” Pickled and Oiled (P&O) steel. P&O material is hot rolled steel that has been dipped in acid to remove the mill scale and then a light coated lightly with oil to prevent rusting. The end result is less work to clean off the mill scale as needed with hot rolled mild steel.
Motor Application:
Buick Nailhead
364 cu. in (1957-61)
401 cu in (1959-66)
425 cu in (1963-66)
Ports designed to be used with 2” round tubing.
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