Includes One Swept Lake Header KitĀ of exhaust flanges for the Pontiac V8 326, 350, 455 hot rod motor (see motor applications below).Ā These flanges are cut with a CNC HD (High Definition) Plasma cutter out of 3/8ā Pickled and Oiled (P&O) steel.Ā 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.Ā The end result is less work to clean off the mill scale as needed with hot rolled mild steel.
Kit includes:Ā
1 pair ā 30ā³ long steel megaphones (1-5/8ā³ inlet with 3-1/2ā³ outlet)
4 ā 1-5/8ā³ OD, 0.065ā³ wall plain steel (not aluminized!) 180 degree mandrel bends (customer to cut at angle needed to match megaphone angle as needed)
1 pair ā 3/8ā³ thick exhaust flanges ā specific motor application listed below
(photo is shown just for reference, contents listed above is actually what you will receive)
Motor Application:
Pontiac V8
Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 326 cu. in (1953-54)
Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 350 cu in (1955-56)
Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 455 cu in (1957-59)
Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā *more applications/years may work, please verify before purchasing.
Ports designed to be used with 1-5/8ā exhaust tubing.
These flanges are designed in CAD and are test fit to make sure proper fitment is achieved.