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Product Info
Product Info
The King Springs Coil Springs Front Pair KDFR-42SP3 deliver heavy-duty suspension performance through advanced progressive spring design. Each front coil is engineered using computer-aided design and manufactured from high-stress X5K spring steel, a premium material that reduces weight by approximately 30% compared to conventional steel while increasing available travel for improved ride quality and handling.
X5K material was endorsed by leading V8 SuperCar teams (including DJR/TP, FTR and Nissan) for its proven durability and performance under extreme motorsport conditions. The coils feature phosphate base coating for maximum corrosion protection, finished with durable epoxy powder coating to resist Australian weather and road salt. This combination of advanced material science, motorsport-proven design and multi-layer protection delivers springs built to outlast the vehicle.
Features
- Progressive spring design with variable pitch and tapered wire for controlled suspension response
- High-stress X5K spring steel is approximately 30% lighter than conventional material
- Reduced solid height allows increased suspension travel for better ride quality
- Phosphate coating provides maximum corrosion protection
- Durable epoxy powder coating resists rust and Australian weather
- Engineered using advanced CAD programs and motorsport-proven technology