Howards Cams 98214K11 Performance Valve Spring Kit Single with Damper 1.250

The Howards Cams 98214K11 is a complete performance valve spring and retainer kit designed for hydraulic flat tappet camshaft applications. This comprehensive kit includes everything needed to upgrade your valvetrain with precision-engineered components.

Complete Kit Includes:

• 16 single valve springs with integrated dampers (1.250 inch outer diameter)
• 16 chrome moly retainers (4140 steel construction)
• Heat-treated alloy steel valve locks (7-degree, single groove design)

Technical Specifications:

• Spring rate: 411 lbs/in
• Closed pressure: 115 lbs @ 1.700 inches installed height
• Open pressure: 300 lbs @ 1.250 inches
• Maximum valve lift: 0.500 inches
• Coil bind height: 1.160 inches
• Outer spring diameter: 1.250 inches
• Inner damper diameter: 0.870 inches
• Retainer size: 11/32 inch stem

These valve springs are manufactured in the United States and heat-treated to exacting specifications for reliable performance. The integrated damper design helps control valve float and harmonics at higher RPM ranges. Ideal for street/strip performance builds requiring upgraded valvetrain components to match performance camshaft profiles.