Valve Guides Chevy 366 402 427 454 Intake & Exhaust Chevrolet Made by USA

Description

You are buying 16 brand new valve guides made by Engine Tech that are made in the USA.
Intake Part number: GD9973
Length: 2.420"
Outside Diameter: 0.62525"
Inside Diameter: 0.3735"
Exhaust Part Number: GD9972
Length: 2.630"
Outside Diameter: 0.62025"
Inside Diameter: 0.374"
It fits the following big block Chevrolet and GMC engines in passenger cars and pickup trucks.
366 CID (6.0L) 1965-1970
402 CID (6.6L) 1970-1972
427 CID (7.0L) 1966-1969
454 CID (7.4L) 1970-1984