63-72 Chevy/GMC Truck Rear Frame C-Notch Kit. This bolt-in frame C-Notch kit for 63-72 Chevy and GMC trucks is a must for air ride applications or vehicles that are lowered more than 4". These kits bolt in for an easy installation. C-Notch Kit will provide more axle clearance on lowered truck and reduce axle to frame contact.
