Largest Selection of Springs to Tune From Designed From the Highest Quality Material All EPI Springs Manufactured Using a 5% Tolerance Which Is the Lowest in the Industry ISO 9000 CertifiedSecondary (Driven) Clutch Spring Fine Tune Your Shift Rate, Side Load Pressure and Full Shift Out Poundage Springs for Youth Models Will Improve Backshift Load/Weights: @2.9 155 Lbs, @1.9 215 Lbs NOTE: Different Color Springs Represent Different Loads/Weights. Please Ensure You Are Ordering the Proper Clutch Spring for Your Application, as There May Be Multiple Spring Types Available for Your ModelPlease Note: The Image Displayed Is Representative of the Item, but Shows a Variety of Styles and Colors. You Will Only Receive a Single Clutch Spring in the Style and Color Described.