What are the dimensions of B7006?

Product Description: 1959 Chevrolet Full Size 5" Speedometer Adaptor

Base:

Outer Diameter - 6"

Inner Diameter - 4 1/2"

Step Up Lip:

Outer Diameter - 5 3/8"

Inner Diameter - 4 3/4"

Height - 3/8"

B7006

For more information, follow the link: 1959 Chevrolet Full Size 5" Speedometer Adaptor