Supertech SPRK-TS1015/RB26 Dual Valve Springs Kit RB26DETT 204 lbs Image1
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Supertech Dual Valve Springs Kit RB26DETT 204 lbs

  • Chrome Silicon Vanadium

  • Computer designed

  • High durability

Supertech SPRK-TS1015/RB26 Dual Valve Springs Kit RB26DETT 204 lbs
List Price: $879.45
$703.56  Save 20%
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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: In: 71 @ 35.0      Ex: 64 @ 35.0 ([email protected])
  • Open (lift): Int: 204 @ 11      Ex: 197 @ 11 ([email protected])
  • Max net lift: 14.30mm
  • Coil bind: 20.70mm
  • Rate: 12.10 lbs/mm

Retainer P/N: RET-NRB60/TS (24) + SEAT-RB26/TS4 (no Factory) (24)

Note: This is for a complete set of dual intake and exhaust valve springs. Retainers and spring seats are included if they are part of the kit.

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Vehicle Applications

Years Make Model Trim Chassis Engine Notes
Nissan Skyline GT-R        
ALL - ALL Nissan 240SX        
ALL - ALL Nissan 180SX        
ALL - ALL Nissan SILVIA        
ALL - ALL Nissan 200SX (NON-US)