Steel oval head slotted
machine screw. Holds the vacuum port cover onto the top of the
intake manifold. For 1930 – 1931 Cadillac V-16. Has special small head diameter to fit in
countersink.
Cadillac part number 8.4337.
Eight required per car.
Material: 4140 Steel, heat treat grade 8
Finish: Natural
Thread: 1/4-20
Thread length: .484
OAL: .671
Head OD: .453
Head height: .187
Length under head: .484