SKU: 11030201
Ridetech 55-57 Chevy (Two Piece Frame) CoilOver System
This complete HQ CoilOver suspension system transforms 1955-1957 Chevrolet passenger cars with original two-piece frames. It includes front and rear HQ coilovers, upper/lower StrongArm tubular control arms, bolt-on 4-link rear suspension, and a 3/4-inch front sway bar for sharp cornering and controlled ride quality. Direct bolt-on design fits sedans, wagons, and convertibles without fabrication.
Key Features
- HQ Series CoilOvers: 2.5-inch aluminum body shocks with digressive valving, 14-inch travel front, 1.34-inch shafts, and adjustable ride height from 5 to 8 inches rear for custom stance and damping control.
- StrongArm Tubular Control Arms: Upper X-Link and lower arms with greaseable ball joints, polyurethane bushings, and improved geometry reduce deflection and enhance steering precision.
- Bolt-On 4-Link Rear Suspension: Upper/lower tubular links with heim joints mount directly to frame rails, eliminate leaf springs for consistent traction and wheel control.
- 3/4-Inch Front Sway Bar: Heavy-duty bar with greaseable polyurethane bushings cuts body roll by 50 percent during turns while maintaining daily comfort.
- Complete Bolt-On Kit: All components powdercoated black for corrosion resistance, matched spring rates (front 450 lb/in, rear 175 lb/in) suit 3,300-3,800 lb cars.
Product Notes
- Requires minimum 12-inch diameter rear wheels for clearance.
- Spring rates pre-matched for stock ride heights. custom rates available.
- Ships freight due to size. inspect frame integrity before install.
Installation Notes
- Professional installation recommended.
- Original two-piece frame required. not compatible with X-member swaps.
- Includes all hardware. torque to factory specs using provided instructions.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-1957 | Chevrolet | 150 | All |
| 1955-1957 | Chevrolet | 210 | All |
| 1955-1957 | Chevrolet | Bel Air | All |
| 1955-1957 | Chevrolet | Nomad | Wagon |
Why Choose Ridetech?
- Engineered in USA with drag racing heritage for real-world durability.
- CAD-designed components ensure exact fit and repeatable performance.
- Lifetime warranty on control arms against bending.
Frequently Asked Questions
- Q: Will this kit fit cars with one-piece X-frame?
A: No, designed exclusively for factory two-piece frames on 1955-1957 Chevy passenger cars. X-frame requires different kit 11030299. - Q: What materials are used in construction?
A: DOM steel tubing for arms, billet aluminum shock bodies, chromoly heim joints, and e-coated/powdercoated finishes for rust protection. - Q: What is the warranty coverage?
A: Lifetime on StrongArms, one-year on shocks and other components. register online for full details.
Shipping & Handling
- Method: Freight truck
- Availability: In stock – ships same or next business day
- Packaging: Oversized crate 48 x 48 x 12 inches
- Weight: 248 lbs
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