AST Suspension Lowering Springs (40mm/40mm TUV) - 1979-1983 Volkswagen Jetta (MK1/17/17CK)

The AST Suspension Lowering Springs for the 1979-1983 Volkswagen Jetta (MK1/17/17CK) are high-performance coil springs designed to lower the vehicle's ride height by 40mm. Constructed from high tensile chromium-silicone wire, these springs are carefully handpicked by AST engineers for their quality and consistency. The manufacturing process involves cold winding, heat treatment to enhance hardness and reduce internal stresses, followed by shot peening, phosphate treatment, and powder coating to ensure durability and corrosion resistance. These progressive-rate springs improve handling, stability, and cornering performance while maintaining ride comfort, making them an ideal upgrade for enthusiasts seeking a lowered stance with enhanced driving dynamics.

Designed specifically for 1979-1983 Volkswagen Jetta models, these springs are a direct replacement for the factory components, offering a straightforward bolt-on installation. Suitable for street and performance use, they are engineered to provide improved handling without sacrificing ride quality. The kit includes the set of lowering springs, with no additional components required for installation. Compatible with stock or aftermarket suspension setups, these springs are ideal for drivers looking to enhance their vehicle’s appearance and handling characteristics while maintaining reliability and longevity over the vehicle’s lifespan.