Supertech SPRK-TS1012/NCA Dual Valve Springs Kit CA18DET Image1
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Supertech Dual Valve Springs Kit CA18DET

  • Chrome Silicon Vanadium

  • Computer designed

  • High durability

Supertech SPRK-TS1012/NCA Dual Valve Springs Kit CA18DET
List Price: $545.21
$436.16  Save 20%
Free shipping 
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Product Details

​Supertech valve springs are computer designed to ensure smooth harmonics under high RPM and load. The stress levels are kept under control and fatigue is reduced for long durability under extreme conditions. These springs are made of premium Superclean Chrome Silicon Vanadium steel alloy, which is a tough alloy that was designed for higher performance and durability at high RPM's and memory retention.


  • Outer Spring O.D.: 27.50mm
  • Outer Spring I.D.: 20.00mm
  • Inner Spring O.D.: 20.00mm
  • Inner Spring I.D.: 15.20mm
  • Seat: 73 @ 35 ([email protected])
  • Open (lift): 175 @ 10 ([email protected])
  • Max net lift: 15.00mm
  • Coil bind: 20.00mm
  • Rate: 10.20 lbs/mm

Retainer P/N: RET-NVG1015/T1 + OEM Seat

Note: This is for a complete set of dual intake and exhaust valve springs, & retainers and spring seats.

**Images may differ from actual product**

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Vehicle Applications

Years Make Model Trim Chassis Engine Notes
1989 - 1993 Nissan 200SX (Non-US)   (S13) CA18DET  
1989 - 1998 Nissan 180SX   (S13) CA18DET  
1989 - 1993 Nissan Silvia   (S13) CA18DET  
ALL - ALL Nissan 240SX        
ALL - ALL Nissan 180SX        
ALL - ALL Nissan SILVIA        
ALL - ALL Nissan 200SX (NON-US)