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Product Info
Product Info
The King Springs Coil Springs Rear Pair KDRR-43SP3HD is engineered from high-stress X5K spring steel for motorsport performance. This proprietary material delivers approximately 30% weight reduction compared to conventional springs while increasing suspension travel, with advanced progressive spring design incorporating variable pitch and tapered wire forms that optimise performance across all load ranges and vehicle types including passenger cars, commercial vehicles and four-wheel-drive machines.
Phosphate coating and durable epoxy powder coating protect the spring from corrosion and environmental degradation, ensuring long-term durability. Precision CAD engineering refines the spring characteristics to suit the specific performance envelope of the target application, while the X5K material upgrade delivers the benefits previously available only to circuit racing, rally, speedway and off-road motorsport without additional cost to the consumer.
Features
- Heavy-duty coil spring engineered for passenger, commercial and 4WD applications
- Advanced progressive spring design with variable pitch and tapered wire forms
- Made from high-stress X5K spring steel, approximately 30% lighter than conventional springs
- Phosphate coating provides maximum corrosion protection
- Durable epoxy powder coating for extended service life
- Engineered using advanced CAD design for precision performance