Ridetech 58-64 GM B-Body HQ Series CoilOvers Front Pair

SKU: 11053510 / UPC: 840123500632

Ridetech 11053510 HQ Series Front CoilOvers for 1958-1964 GM B-Body Vehicles

Upgrade the front suspension of your classic 1958-1964 GM B-Body with the Ridetech 11053510 HQ Series CoilOvers, a complete front pair designed for direct bolt-on installation when paired with Ridetech StrongArm lower control arms. These coilovers deliver responsive handling and consistent ride control through rebound-adjustable damping and precisely matched spring rates, setting a new standard for performance in restored or modified classics. Drivers report sharper cornering, reduced body roll, and improved traction on street or track, making this setup the clear pick for anyone seeking reliable dynamics in their GM B-Body.

Precise Vehicle Fitment

Engineered exclusively for 1958-1964 GM B-Body platforms, these coilovers ensure seamless integration without modifications. Compatible models include:

• Chevrolet Impala (1958-1964)
• Chevrolet Bel Air (1958-1964)
• Chevrolet Biscayne (1958-1964)
• Chevrolet Kingswood (1959-1961)
• Chevrolet Brookwood (1958-1961)
• Chevrolet Parkwood (1959-1960)
• Chevrolet Nomad (1958-1960)
• Chevrolet El Camino (1959-1960)

This fitment covers all standard wheelbase configurations from these years, supporting a lowered stance of about 1.5 inches below factory height for a planted road presence.

Complete Package: What’s Included in Your Purchase

Every Ridetech 11053510 kit arrives fully assembled and ready for installation, containing the following components (quantities noted):

• 2 × 3.6-inch Stroke HQ Series Shocks (Part # 982-10-803) – Rebound adjustable with 12-position knob for fine-tuned ride firmness.
• 2 × 8-inch 750 lb/in Hyperco Coil Springs (Part # 59080750) – Progressive rate for balanced load handling.
• 4 × Delrin Spring Washers (Part # 70010828) – Friction-free isolation.
• 2 × Lower Spring Adjuster Nut Kits (Part # 803-00-199) – Includes adjuster nuts for preload setup up to 1.5 inches.
• 2 × Adjuster Nut Locking Screws (Part # 803-00-199) – Secure preload adjustments.
• 2 × Upper Coil Spring Retaining Plates (Part # 803-00-199) – Positive spring retention.
• 2 × Coil Spring Plate Retaining Rings (Part # 803-00-199) – Snap-fit locking.
• 2 × 2.75-inch Stud Adjuster Assemblies (Part # 90009989) – Height-adjustable mounts.
• 2 × 2.75-inch Stud Top Bases (Part # 90002313) – Frame attachment points.
• 2 × Delrin Ball Lower Halves (Part # 90001904) – Spherical joint components.
• 2 × Delrin Ball Top Halves (Part # 90001903) – Spherical joint components.
• 2 × Delrin Ball Upper Caps (Part # 90001902) – Dust and debris protection.
• 2 × 9/16-18-inch Nylok Nuts (Part # 99562003) – Torque to 80 in-lbs for secure mounting.
• 2 × Shock Adjuster Knobs (Part # 210-35-120-0) – User-friendly damping control.
• 2 × Adjuster Knob Retaining Screws (Part # 90009969) – Knob fixation.
• 2 × 5/8-inch ID Bearings (installed in shock body, Part # 90001994) – Smooth articulation.
• 4 × Bearing Snap Rings (installed in shock body, Part # 90001995) – Retain bearings.

Note: Bearing spacers (Part # 90002062) are provided with compatible Ridetech front lower control arms for optimal alignment.

Key Specifications

• Spring Rate: 750 lb/in per spring – Ideal for street performance with capacity for heavier modifications.
• Shock Stroke: 3.6 inches – Provides 40-60% travel at recommended ride height for daily drivability.
• Coilover Dimensions:
• Compressed Length: 10.48 inches
• Ride Height: 12.55 inches
• Extended Length: 14.08 inches
• Part Weight: 17.8 lbs (total for pair)
• UPC: 840123500632
• Construction: Billet aluminum bodies with cadmium-plated steel components for corrosion resistance and longevity.
• Adjustment: Rebound damping via knob (start at full stiff, back off 12 clicks to medium; adjust in 2-3 click steps).

Installation requires drilling the factory shock mount to 3/4-inch and minor trimming of the OEM spring retainer for stud clearance. Full instructions included.

For 1958-1964 GM B-Body owners, the Ridetech 11053510 stands out by combining adjustable ride tuning with heavy-duty build quality, ensuring your Impala or Bel Air handles every curve with confidence while maintaining classic comfort. This is the suspension solution that transforms your drive.