AST Suspension ASTLS-21-135 Lowering Springs 40mm Front 45-75mm Rear

The AST Suspension ASTLS-21-135 lowering springs are engineered to reduce your vehicle's center of gravity while maintaining the OEM comfort level you expect from factory springs. These performance lowering springs provide 40mm of front drop and 45-75mm of rear drop, enhancing both handling dynamics and aggressive stance.

Premium Construction and Manufacturing:

• Manufactured from high tensile chromium-silicone wire handpicked by AST engineers for superior quality and metal consistency
• Precision cold wound on Wafios coiling machines for exact specifications
• Heat treated to increase hardness and reduce internal stresses
• Shot peened, phosphate treated, and powder coated for exceptional corrosion resistance and longevity
• Progressive spring design balances lowering performance with ride comfort

Key Features:

• Direct OEM spring replacement designed for vehicle-specific applications
• Developed and tested to work seamlessly with stock dampers
• Enhanced handling characteristics through lower center of gravity
• Maintains suspension travel while providing approximately 15% increase in spring rate
• Backed by lifetime warranty against spring breakage

AST Suspension brings decades of motorsport engineering expertise to street-driven vehicles. Founded in 2000 by industry veterans Piet Kreeft and Peter Smits, AST controls the entire production process to ensure European quality standards and consistency in every component.