Tomei Type-A Valve Springs | Nissan SR20DE(T) (TA304A-NS08A)


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Tomei Type-A Valve Springs

High quality designed springs is required to transfer the exact movement of the camshaft to the valves at high engine speeds on high performance engines. The TOMEI products are always engineered with precision in mind to suit the user’s needs. So with this in mind careful choices in material selection is made with surface coating and other technologies. Then the pre-production products are put through an extensive testing program for checking durability, quality and performance. We spend time and money to help you save your valuable time and money.


  • Reliability in high RPM, and improvement in an initial response
  • High durability against metal fatigue
  • High durability against the shocks from jump and bounce
  • High durability against surging
  • High sag resistance


  • Diameter: 4.0
  • Set Length: 40.0mm
  • Lift Length: 27.5mm
  • Compatible Lift: 12.5mm
  • Set Load: 25.6 +/- 7% kgf
  • Lift Load: 81.6 +/- 7% kgf
  • Rev Limit: 7500 rpm
  • Material: SWOSC-V
  • Process: Nitride
  • Color ID: Red


  • Nissan SR20DE / SR20DET
  • S13 / S14 / S15
  • 180SX / Silvia
  • 1991-2002

What's In The Box?

  • (16) Valve Springs


  • Manufacturer Standard Warranty

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