Includes One Straight Lake Header Kit for the Pontiac V8 326, 350, 455 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.
Kit includes:
1 pair – 30″ long steel megaphones (1-5/8″ inlet & 3-1/2″ outlet) – 4″ outlet available (Include in order notes)
1 – 1-5/8″ OD, 0.065″ wall plain steel (not aluminized!) 180 degree mandrel bend
6 – 1-5/8″, 0.065 wall, 10″ long plain steel tubing
1 pair – 3/8″ thick exhaust flanges – specific motor application listed below
(photo is shown just for reference, contents listed above is actually what you will receive)
Motor Application:
Pontiac V8
326 cu. in (1953-54)
350 cu in (1955-56)
455 cu in (1957-59)
*more applications/years may work, please verify before purchasing.
Ports designed to be used with 1-5/8” exhaust tubing.
These flanges are designed in CAD and are test fit to make sure proper fitment is achieved.
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