Cadillac 331-429 Log Intake Kit – 4×2, Stromberg

Includes 1 U-Weld Intake Kit for the Cadillac 331, 365, 390, 429 hot rod motor (see motor applications below).  The flanges in this kit are cut with a CNC HD (High Definition) Plasma cutter.  This kit is designed to be a dual plenum design with the use of 6 carburetors.  If you would like a kit with different carb bases, different quantity or anything else, please email me and I can get you what you need.

Motor Application:

Cadillac

            331 cu. in (1949-55)

            365 cu. in (1956-58)

            390 cu. in (1959-63)

            429 cu. in (1964-67)

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

Ports designed to be used with 2” OD tubing.

These flanges are designed in CAD and are test fit on an actual head to make sure proper fitment is achieved.

Kit Includes:

2 – 3/8” thick, Intake flanges (P&O Steel)

2 – 3” OD, 0.065 wall, 16” long, Plenum tubes

4 – 3” OD, Concave Plenum end caps

8 – 2” OD, 0.065 wall, 3” long, Runner tubes

4 – 3 bolt (Stromberg) carburetor base plates

8 – 1 ¼” OD, 0.065 wall, Carb runner tubes

2 – 1 ¼” OD, 0.065 wall, Cross over tubes