The CPP C-Notch Kit, part number 6372CNK, is designed for 1963-1972 Chevy C10 1/2 Ton trucks that require additional rear suspension travel when lowering 4 In. or more. This bolt-in kit provides 3 In. of added rear axle clearance, allowing proper suspension movement while maintaining frame strength and reliability.
Constructed from durable 1/4 In. steel plate, this system installs without fabrication and includes Grade 8 mounting hardware and bump stops for a complete installation. It is specifically engineered for 1963-1972 Chevy trucks and is required when lowering the rear suspension 4 In. or greater.
Designed exclusively for 1963-1972 Chevy 1/2 Ton trucks.
When it comes to lowering your 1963–1972 Chevy C10, stance is everything. But if you’re dropping the rear four inches or more, there’s one upgrade you absolutely can’t ignore: a properly engineered C-notch. Today we’re breaking down how to get the most rear suspension travel possible without destroying ride quality or compromising frame integrity, and why the Classic Performance Products C-Notch Kit is one of the smartest upgrades you can make.
DOES THIS ALSO FIT THE 1966 GMC SHORT BED STEP SIDE W/ LEAF SPRINGS?
Yes the 6372 CNK will work on your 1966 GMC
What is a C-Notch?
A C-notch is referred to the C-shape cut you will need to do on the frame to allow for more suspension travel for lowered application. The C-notch kits we offer are reinforcement brackets to strengthen your frame.
When will I need to C-notch my frame?
We recommend using the C-notch when you plan to lower your truck 4 or more inches.
