Suspension Coil Spring Spacer Affordable CNC Machined Metal Spacer for Lift Kits

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What is a Coil Spring Spacer?

A Coil Spring Spacer is a component used in suspension systems to adjust ride height, improve load-bearing capacity, or level a vehicle. It is inserted between the coils of a spring to reduce compression, effectively raising the vehicle or providing additional support. These spacers are commonly used in automotive, industrial, and off-road applications.

Materials of Coil Spring Spacer

1. Polyurethane (PU) – Durable, flexible, and resistant to wear and corrosion.

2. Rubber (Natural or Synthetic) – Provides good vibration damping but may degrade over time.

3. Aluminum – Lightweight and strong, often used in performance applications.

4. Steel – Heavy-duty option for high-load scenarios.

5. Plastic (Nylon, HDPE) – Cost-effective and lightweight but less durable under extreme conditions.

Surface Treatments

• Powder Coating – Enhances corrosion resistance and provides a smooth finish (common for metal spacers).

• Zinc Plating – Prevents rust on steel spacers.

• Anodizing – Used for aluminum spacers to improve hardness and corrosion resistance.

• UV-Resistant Coating – Protects polyurethane/rubber spacers from weathering.

Specifications

• Thickness: 5mm – 50mm (varies based on lift requirements)

• Inner/Outer Diameter: Matches spring coil dimensions (e.g., 60mm–150mm ID)

• Load Capacity: 500kg – 5000kg (depends on material and design)

• Temperature Range: -30°C to +120°C (for polymer-based spacers)

Applications of Coil Spring Spacer

1. Automotive Suspension Tuning – Leveling trucks, SUVs, or off-road vehicles.

2. Industrial Machinery – Absorbing shocks in heavy equipment.

3. Trailers & Caravans – Improving load distribution.

4. Agricultural Vehicles – Adjusting for uneven terrain.

5. Performance Racing – Fine-tuning suspension stiffness.

Excellent Case: Off-Road Jeep Modification

Scenario: A Jeep Wrangler owner wants a 1.5-inch lift for better off-road clearance without replacing the entire suspension system.

Solution:

• Installs polyurethane coil spring spacers (30mm thickness) between the coils.

• Benefits:

  • Cost-effective compared to full suspension kits.

  • Maintains factory ride quality while adding height.

  • Resists mud, water, and corrosion (ideal for off-roading).

  • Improves approach/departure angles for rock crawling.

Result: The Jeep gains enhanced off-road capability while keeping the original spring’s flexibility, proving spacers as a smart, budget-friendly upgrade.