Manley NexTek Drag Race Valve Springs for SuperStock and Competition Eliminator 1.500in OD Set of 16

221456-16

Features:

• Lightweight Dual Drag Race Valve Springs
• Competition Eliminator
• Super stock
• Higher natural frequency and lower active mass provides improved valvetrain control and higher RPM potential
• Dual spring design reduces friction, which generates less heat and translates into greatly reduced load loss
• Extensively tested on the Sprinton, dyno and race track (including blown nitro engines) and proven highlt effective
• Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control
• Accepts smaller, lighter retainers which also promotes higher revs
• Ultra clean, high tensile strength chorme silicon material
• Super finished multi-step surface enhancement significantly imprves fatigue strength
• Ideal loads for multiple applications wiht minimal load loss
• Maximum Valve Lift: .900
• O.D. : 1.500
• I.D : .710
• Installed Open / Pressure: 330@2.100 / 1050@1.200
• Rate: 800
• Coil bind: 1.130
• Component Code: A