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Product Overview
Transform your classic into a modern performance machine with Belltech’s rear suspension upgrade kit for the 1988–1998 GMC C1500. This complete system includes a precision-engineered 4-link conversion with adjustable track bar, coilovers, and optional super C-notch for increased suspension travel, and a heavy-duty adjustable rear sway bar. Every component is engineered to work together, delivering improved traction, flatter cornering, a refined ride, and confident control—while maintaining the classic stance and style that makes your OBS an icon.
Fits: GMC C1500 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Features:
- 4-Link System
- Heavy-duty 2” x 1/4” wall tubing built to plant power to the pavement
- Adjustable axle brackets: 4”–6” ride height
- Tunable anti-squat (75%–120%) and pinion angle for tailored traction + launch
- Rebuildable, greaseable rod ends for long-term serviceability
- Adjustable Track Bar
- Maintains proper axle centering + roll stability
- Constructed from 2” x 1/4” A36 steel with low-friction, triple-wall vulcanized bushings
- Ride-height positions: 4”, 5”, 6”
- Height-Adjustable Coilovers
- 60mm (2.36”) galvanized steel housing for optimized corrosion protection
- Powder-coated high-tensile 35 N/mm spring rate sport-tuned springs
- Progressive-rate polymer foam bump stops provide smooth limit control
- Spherical lower mounts for smooth articulation
- Optional:
- 3/4” Solid Rear Sway Bar
- Three adjustment positions for customizable handling
- Finished with durable powder coat
- includes Class 10.9 hardware
- Super C-Notch Assembly
- Expands suspension travel for a controlled, comfortable ride at lower heights
- Boxed design reinforces frame strength and rigidity
- 3/8” thick hard-anodized aluminum arch support
- Integrated foam overload bump stops
Includes:
- Link Bars & Mounting Brackets (4)
- Adjustable Track Bar (1)
- Rear Coil Overs (2)
- Optional: Rear Sway Bar, C-Notch Assembly
Belltech Part# 350R00 / 350R01 / 350R02 / 350R03
4-Link Installation Instructions
Rear Anti-Sway Bar Installation Instructions
Brand (Manufacturer) Info
Belltech’s history of developing quality products that improve safety and performance have allowed them to become one of the most trusted brands that many customers turn to when searching for premium aftermarket products for their trucks, Jeeps, and SUVs. Every year our R&D department continues to push the boundaries in manufacturing techniques and product design to add new applications to our product listing.
