Dual 1.300 Mast Circle Track Valve Spring Kit

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  • Regular price $ 1,399.00
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1.300 OD - Circle Track Endurance High RPM Spring Kit

Use this specially design small diameter valve spring for your endurance applications like, Drifting, Circle Track, Endurance Marine.

Specially designed and engineered to be a light weight high rate, high natural frequency spring.  Reduce the amount of spring surge by increasing your spring rate, and reducing your mass.  This is your package!

Kits Comes Complete & ready to rock with:

  • 1.300 OD Dual Valve Springs - Fully REM Polished
  • Titanium Spring Retainer
  • Titanium Bead Locks
  • Hardened Valve Spring ID Locator
  • 805V - Valve Stem Seals

Kit Specifications

  • REM Polish Max Effort Process
  • Installed Height & Load @ 1.920" @ 182 lbs
  • Open Height & Load @ 1.120" @ 700 lbs
  • Spring Rate 648 lbs/inch
  • Valve Lift- Maximum 0.800" Lift
  • Retainer Lock Style - 8 degree - Mini Locks




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