When you drop the rear of these trucks, the axle tends to hit the frame as you drive and this kit allows you to notch and reinforce the frame for added clearance.
This bolt in frame C notch kit for 1963-72 Chevy and GMC trucks is a must for Air Ride applications or for lowering the truck more than 4". These kits bolt in making installation a snap. Provides more axle clearance on lowered applications and reduces "bottoming out".
Condition: 100% Brand New
Required with drops of 4" or more
Comes with mounting hardware and bumpstops
Constructed of 1/4" steel plate
Bolt-in installation (can be welded in for extra strength)
Replacement for # 6372CNK
For 1963-1972 Chevrolet / GMC Truck
(As pic show)