QualFast High Performance Valve Springs are manufactured by the industry-leading high performance valve spring factory using the latest materials and manufacturing processes. All QualFast springs are wound using super-clean chrome silicon or new Alpha 1 or 3 alloy wires. Springs are engineered for high performance to give optimum lift and prevent valve float.
All QualFast Springs ship directly from QualCast to your door. Please allow 5 to 7 days for delivery.