✨ New Arrivals Just Dropped!Explore
HomeStore

Supertech K/F-Series Dual Valve Spring Kit

Product image 1
Product image 2
Product image 3
Product image 4

Supertech K/F-Series Dual Valve Spring Kit

  • Dual spring for high RPM
  • Seat Pressure: 95 lbs @ 40.4
  • Chrome silicone vanadium steel
  • Ultra-light titanium retainers
  • When a single valve spring isn’t enough. High-performance, high-revving K-Series applications may need a dual valve spring to produce adequate seat pressure, open pressure, and spring rate for the camshaft of choice. This Supertech kit does just that with springs producing seat pressure of 95 LBS and 261 LBS of pressure fully open. The provided ultra-light titanium retainers, combined with the springs, help the valves snap back to their seated position, eliminating valve float.  

    This kit comes with 16 of each: dual valve springs, retainers, and seat locators. Supertech springs are made from Super Clean Chrome Silicone Vanadium Steel Alloy. This material is selected for its ability to handle high stress, but also the ‘memory’ to compress and return to form, time after time, cycle after cycle.    
  • Fits these engines: 
    • F20C 
    • F22C 
    • K20A 
    • K20A2 
    • K20Z1  
    • K20Z3 
    • K24A2 
    • K24Z3   
  • Seat Pressure: 95 @ 40.4 
    Open Pressure: 261 @ 12 
    Max Lift: 15.3mm 
    Coil Bind: 22.7mm 
    InnSpr.ID: 15.50mm 
    Rate: 13.2 
    Kit spring: SPR-H1021D 
    Kit spring qty: 16 
    Retainer: RET-K20A2/T2 
    Retainer qty: 16 
    Seat Locator: SEAT-H1020DS 
    InnSpr.OD: 21.30mm 
    OutSpr.OD: 30.00mm 
    OutSpr.ID: 21.80mm 
    Seat Locator qty: 16   
  • (16) Springs: SPR-H1021D 
    (16) Retainers: RET-K20A2/T2 
    (16) Seat locators: SEAT-H1020DS   
$566.32
Supertech K/F-Series Dual Valve Spring Kit—
$566.32

Product Information

Shipping & Returns

Description

  • Dual spring for high RPM
  • Seat Pressure: 95 lbs @ 40.4
  • Chrome silicone vanadium steel
  • Ultra-light titanium retainers
  • When a single valve spring isn’t enough. High-performance, high-revving K-Series applications may need a dual valve spring to produce adequate seat pressure, open pressure, and spring rate for the camshaft of choice. This Supertech kit does just that with springs producing seat pressure of 95 LBS and 261 LBS of pressure fully open. The provided ultra-light titanium retainers, combined with the springs, help the valves snap back to their seated position, eliminating valve float.  

    This kit comes with 16 of each: dual valve springs, retainers, and seat locators. Supertech springs are made from Super Clean Chrome Silicone Vanadium Steel Alloy. This material is selected for its ability to handle high stress, but also the ‘memory’ to compress and return to form, time after time, cycle after cycle.    
  • Fits these engines: 
    • F20C 
    • F22C 
    • K20A 
    • K20A2 
    • K20Z1  
    • K20Z3 
    • K24A2 
    • K24Z3   
  • Seat Pressure: 95 @ 40.4 
    Open Pressure: 261 @ 12 
    Max Lift: 15.3mm 
    Coil Bind: 22.7mm 
    InnSpr.ID: 15.50mm 
    Rate: 13.2 
    Kit spring: SPR-H1021D 
    Kit spring qty: 16 
    Retainer: RET-K20A2/T2 
    Retainer qty: 16 
    Seat Locator: SEAT-H1020DS 
    InnSpr.OD: 21.30mm 
    OutSpr.OD: 30.00mm 
    OutSpr.ID: 21.80mm 
    Seat Locator qty: 16   
  • (16) Springs: SPR-H1021D 
    (16) Retainers: RET-K20A2/T2 
    (16) Seat locators: SEAT-H1020DS