1988-1998 C1500 Bolt On C-Notch

IHC coming from the service/installation side, understood the importance of reinforcing the frame. IHC Suspension under bed C-Notch Kits are over-engineered frame modification and reinforcement systems that allow for additional upward travel of your rear suspension, essentially to limit bottoming out.

1/4″ plate thickness for overkill strength.  (competitors use 3/16)
All IHC suspension parts are fiber laser cut, CNC bent, and welded with automation.
C-Notch Kits are manufactured with heavy duty stamped steel contoured to match the factory frame rails
All kits feature a durable powder coat finish and the highest quality hardware using grade 8 fasteners
Specifically made for your vehicle with guaranteed fitment
OEM ride quality with added performance, control and comfort
MADE IN USA