snippet: <strong>Features:</strong><li>Lightweight Dual Drag Race Valve Springs</li><li>Competition Eliminator Alcohol and Fuel Classes</li><li>Higher natural frequency and lower active mass provides improved valvetrain control and higher RPM potential</li><li>Dual spring design reduces friction, which generates less heat and translates into greatly reduced load loss</li><li>Extensively tested on the Sprinton, dyno and race track (including blown nitro engines) and proven highlt effective</li><li>Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control</li><li>Accepts smaller, lighter retainers which also promotes higher revs</li><li>Ultra clean, high tensile strength chorme silicon material</li><li>Super finished multi-step surface enhancement significantly imprves fatigue strength</li><li>Ideal loads for multiple applications wiht minimal load loss</li><li>Maximum Valve Lift: 1.000</li><li>O.D. : 1.500</li><li>I.D : .710</li><li>Installed Open / Pressure: 450@2.175 / 1250@1.175</li><li>Rate: 797</li><li>Coil bind: 1.130</li><li>Component Code: A</li> (Page 1)