Isky 1.530in Valve Springs 8005SP

Valve spring performance directly impacts your engine's ability to maintain precise valve timing under extreme RPM conditions. The Isky 1.530in SP-Series springs deliver the aggressive spring rate and damping characteristics necessary for high-lift, long-duration cam profiles without valve float. Whether you're running a street performance build or track-focused engine, this dual-spring design provides the reliability and consistency that separates consistent lap times from catastrophic failure.

• Dual spring design
• 435 lb/in spring rate
• 1.530 in outer diameter
• 1.160 in coil bind
• SP-Series specification
• Set of 16 springs
• Damper-equipped construction