Isky 1.430in Valve Springs 6005

High-RPM reliability starts with properly matched valve springs, and the Isky 1.430in springs deliver the consistent lift and seating force your engine demands across the entire rev range. These dual-spring assemblies with integral dampers eliminate valve float while maintaining precise control—critical for forced-induction applications and high-lift cam profiles. Whether you're building a street performance engine or preparing for competitive racing, this set of 16 springs ensures repeatability and durability when it matters most.

• Valve Spring
• Dual Spring / Damper
• 275 lb/in rate
• 1.120 in coil bind
• 1.430 in OD
• Set of 16