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
Ridetech parts and accessories for Mustang, Camaro, Chevelle, Nova, C10, Silverado, F-100 and classic muscle builds are stocked at Black Ops Auto Works. Shop AirBar air suspension, StreetGRIP systems, TQ Series coilovers, ShockWave air springs, HQ shocks, StrongArms, MuscleBars, control arms, sway bars, axle flip kits and lowering systems for street builds, tow rigs, restorations and track-focused projects. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 166 Ridetech SKUs across air ride, coilovers, shocks, control arms and sway bars. Air Ride Systems for Classic Cars and Trucks AirBar and ShockWave kits Ridetech air suspension replaces the compromise between a low stance and a usable ride with vehicle-specific brackets, air springs, shocks and hardware. AirBar and ShockWave systems support classic Mustang, Camaro, Chevelle, Impala, C10 and F-100 projects that need adjustable hei...
View Ridetech Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products
Suspension Packages
Complete suspension packages for street, track, truck, SUV, and off-road builds are stocked at Black Ops Auto Works. Shop matched coilover packages, sport lowering kits, lift and leveling systems, shock packages, handling kits, control arm packages, and staged suspension upgrades for cars, trucks, Jeeps, SUVs, and performance vehicles. Every product is filterable by year, make, model, trim, drivetrain, and suspension configuration. This collection spans Mustang, Camaro, Corvette, GM truck, Ford truck, Jeep, Toyota truck and SUV, European sport compact, and domestic performance applications. What This Suspension Packages Collection Covers Matched component systems Suspension packages pair components engineered to work together, which simplifies planning and reduces the risk of mixing incompatible parts. They can include coilovers or shocks, springs, control arms, sway bars, endlinks, alignment parts, and lift hardware. Street and Sport Lowering Packages Balanced handling and ride...
View Suspension Packages Products


