Ferrea Subaru FA20 Dual Valve Spring | 2012-2016 Subaru BRZ/Scion FR-S/Toyota 86 (S10154)

Ferrea Racing
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Dual Valve Spring by Ferrea

Harmonics or high-frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled. Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear.

Ferrea Valve Springs are developed from high-strength alloys, including premium-grade chrome silicon steel. These springs are manufactured with state-of-the-art equipment. Our springs are heat-treated and stress-relieved, which dramatically increases the spring’s life. Strict quality control procedures and cycle testing ensure consistency from batch to batch. Ferrea Valve Springs provide the stability needed for high lift, high rpm racing engines while minimizing the load loss for today's aggressive valvetrain combinations.

Please Note: This Spring requires Ferrea Tool Steel Retainer #E20055, and Ferrea Spring Seat Locator #SL1139./(Discard OEM Factory Spring Seat Locator).

Features

  • Type/Material/Application: Single Spring - Endurance Application/Special Alloy
  • Outside Diameter: 28.0 mm
  • Inside Diameter: 20.8 mm
  • Seat Pressure: 60 lbs @ 34 mm
  • Open Pressure: 135 lbs @ 24 mm
  • Rate Inch: 190 lbs
  • Coil Bind: 18.6 mm
  • Max Net Lift: 14.5 mm 

Benefits

  • Reduce valvetrain component wear
  • Provide the stability needed for high lift, high rpm racing engines
  • Helps minimize the load loss for today's aggressive valvetrain combinations

Applications

  • 2012-2016 Subaru BRZ
  • 2013-2016 Scion FR-S
  • 2012-2016 Toyota 86

What's In The Box?

  • 1 - Valve Spring

Warranty

  • No Warranty

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