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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
Ridetech
Welcome to the Ridetech collection, where innovation meets passion in the world of hot rodding. Since its inception in 1996, Ridetech has been at the forefront of creating a better driving experience for lowered cars using cutting-edge air suspension technologies. Our Philosophy At Ridetech, we believe that hot rodding is not just a hobby—it's a lifestyle built on a foundation of creativity and camaraderie. Our motto is simple: “no” is never an acceptable answer. We thrive on pushing the boundaries of what's possible in the automotive world. What We Can Achieve Can we make a vintage car drive, handle, and perform as well as a modern supercar? – YES! Can we make a truck ride as smoothly as your family sedan, even with massive changes in load? – YES! Can we take a car built for high performance and provide a comfortable ride? – YES! A Community of Enthusiasts Being a hot rodder means more than just parts and problem-solving; it's about community. If you're one of us, you know t...
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Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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Suspension packages bundle multiple complementary suspension components into a single purchase, providing a complete suspension upgrade solution at a better value than buying components individually. Complete packages are available for sport lowering, track performance, daily driving improvement, and off-road lift applications. Popular Suspension Package Types Popular suspension package options include sport suspension kits pairing coilovers with sway bar upgrade sets, complete coilover packages with camber arm and toe arm correction kits for lowered vehicles, off-road suspension packages bundling lift coilovers with upper control arms and alignment correction hardware, and complete air suspension packages including air struts or air bags, compressor, manifold, and management controller for a full air ride installation. What is typically included in a suspension package? The contents of a suspension package vary by application and purpose. A sport lowering package typically includes...
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