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Cosworth High RPM Single Valve Spring set (16) 4G63 - EVO 8/9
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On sale for the next 15 minutes
SKU: 20000164
Price: $306.95

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Product Overview
Cosworth High RPM Vale Springs are the result of countless hours of engineering, testing and validation ensuring the best possible spring for high performance applications. Cosworth High RPM Valve Springs are wound from the world's finest Japanese Kobe steel and feature dual chamfered ends to reduce wear on seats and retainers. Each spring has been engineered with increased seat pressure along with higher lift capability for optimum performance potential and improved valve control. Single spring design allows easy installation with no machining required and is perfect for typical high performance use.

Specifications:
  • Manufactured from the finest Japanese Kobe Steel
  • Single spring design for easy installation
  • Dual chamfered ends
  • Increased performance
  • Beehive shape allows use of original lightweight alloy retainer
Free L1 F1 F1 L2 F2 F2 Max Coil
height mm N lbs. mm N lbs. Lift Bind
47.00 38.1 381 85 26.1 900 202 12.5 24.3

  • L1=Install Height
  • F1=Force @ L1
  • L2=Max Lift
  • F2=Force @ Max Lift
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