Includes One Straight Lake Header Kit for the Buick Straight 8 320 hot rod engine (see engine applications below). These flanges are cut with a fiber laser 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 then lightly coated with oil. The end result is a ready to weld surface with minimal prep required.

Kit includes:

1 pair – 30″ long steel megaphones (1-5/8″ inlet & 3-1/2″ outlet)

1 – 1-1/2″ OD, 0.065″ wall plain steel (not aluminized!) 180 degree mandrel bend

6 – 1-1/2″ OD, 0.065″ wall, 10″ long plain steel tubing

1 pair – 3/8″ thick exhaust flanges – specific motor application listed above

(photo is shown just for reference, contents listed above is actually what you will receive)

Engine Application:

Buick Straight 8

320 cu. in (1936-52)

*more applications/years may work, verify before purchasing.

Ports designed to be used with 1 1/2” exhaust tubing.

These flanges are designed in CAD and are test fit to achieve proper fitment.