Hyperco Bump Springs work with primary springs to produce a compliant initial spring rate, helping you achieve the optimum ride height. Hyperco bump springs are made from high tensile chrome silicon, offer spring rates from 400 lbs/in to 5000 lbs/in, and are most commonly used in circle track racing.
Note: This product is sold as one (1) individual spring.
About Hyperco Springs
Hyperco is a supplier of precision-engineered, high-performance suspension springs and related components supporting the Motorsports, Street Performance, and Off-Road/Powersports markets. Our stock and custom suspension products improve the total performance, aesthetics, and durability of your ride!
Specifications
  
     
        | SKU | Inside Diameter (in) | Free Length (in) | Rate (lbf/in) | Deflection (in) | Load (lb) | Outside Diameter (in) | Solid Height (in) | 
  
  
     
        
        | 20BS4500 | 1.18 | 2.1 | 4500 | 0.634 | 2854 | 2.006 | 1.466 | 
     
        
        | 20BS5000 | 1.18 | 2.1 | 5000 | 0.542 | 2709 | 2.022 | 1.558 | 
     
        
        | 20BS4000 | 1.22 | 2.1 | 4000 | 0.67 | 2681 | 2.032 | 1.43 | 
     
        
        | 20BS6000 | 1.22 | 2.1 | 6000 | 0.547 | 3284 | 2.128 | 1.553 | 
     
        
        | 20BS7000 | 1.22 | 2.1 | 7000 | 0.497 | 3477 | 2.168 | 1.603 | 
     
        
        | 20BS3500 | 1.26 | 2.1 | 3500 | 0.681 | 2382 | 2.06 | 1.419 | 
     
        
        | 20BS8000 | 1.26 | 2.1 | 8000 | 0.445 | 3560 | 2.26 | 1.655 | 
     
        
        | 24BS1600 | 1.26 | 2.4 | 1600 | 0.978 | 1565 | 1.94 | 1.422 | 
     
        
        | 20BS2000 | 1.3 | 2.1 | 2000 | 0.822 | 1644 | 2 | 1.278 | 
     
        
        | 20BS2250 | 1.3 | 2.1 | 2250 | 0.715 | 1909 | 2.02 | 1.385 | 
     
        
        | 20BS2500 | 1.3 | 2.1 | 2500 | 0.804 | 2009 | 2.036 | 1.296 | 
     
        
        | 20BS3000 | 1.3 | 2.1 | 3000 | 0.717 | 2150 | 2.08 | 1.383 | 
     
        
        | 24BS1200 | 1.3 | 2.4 | 1200 | 1.055 | 1265 | 1.94 | 1.345 | 
     
        
        | 24BS1400 | 1.3 | 2.4 | 1400 | 1.046 | 1464 | 1.962 | 1.354 | 
     
        
        | 20BS1800 | 1.338 | 2.1 | 1800 | 0.79 | 1422 | 2.038 | 1.31 | 
     
        
        | 24BS0800 | 1.338 | 2.4 | 800 | 1.109 | 887 | 1.928 | 1.291 | 
     
        
        | 24BS1000 | 1.338 | 2.4 | 1000 | 1.073 | 1073 | 1.95 | 1.327 | 
     
        
        | 24BS0400 | 1.41 | 2.4 | 400 | 1.242 | 497 | 1.92 | 1.158 | 
     
        
        | 24BS0500 | 1.41 | 2.4 | 500 | 1.16 | 580 | 1.954 | 1.24 | 
     
        
        | 24BS0600 | 1.41 | 2.4 | 600 | 1.15 | 690 | 1.976 | 1.25 | 
     
        
        | 24BS0700 | 1.41 | 2.4 | 700 | 1.106 | 774 | 2 | 1.294 |