Buick Nailhead 364-425 Log Intake Kit – 3×2, Rochester

Includes 1 U-Weld Intake Kit for the Buick Nailhead 364-425 hot rod engine (see engine applications below).  The flanges in this kit are cut with a CNC HD (High Definition) Plasma cutter.  This kit is designed to be a single plenum design with the use of 3 carburetors.  

Engine 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.

Kit Includes:

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

1 – 3” OD, 0.065 wall, 16” long, plenum tubes

2 – 3” OD, concave plenum end caps

8 – 1 3/4” OD, 0.065 wall, 45 degree mandrel bend, runner tubes

3 – 4 bolt (Rochester 2GC) carburetor base plates *Please email to request different carburetor types or quantities

6 – 1 1/2” OD, 0.065 wall, carb runner tubes