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COMP Cams Part # CCA998-1

COMP Cams Valve Spring 1.625in H-11 Asse - 998-1

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Engine Valve Spring

Dual Valve Spring: 1.625" OD Outer, .769" ID Inner

Dual Valve Springs from COMP Cams are manufactured from H11 material and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today's engine builders and racers.

  • Inner Spring Inside Diameter: 0.759 in.
  • Coil Bind Height: 1.09 in.
  • Outer Spring Inside Diameter: 1.167 in.
  • Outer Spring Outside Diameter: 1.638 in.
  • Seat Height: 1.9 in.
  • Number of Springs: 2
  • Seat Pressure: 250 lb
  • Compatible Spring Cup (O.D. Locator): 4702-1
  • Compatible Shims: 4756
  • Compatible .570" Guide Diameter Spring Seat: 4774-1
  • Compatible .630" Guide Diameter Spring Seat: 4775-1
  • Spring Rate: 677 lb/in
  • Compatible Retainer: 733-1
  • Damper: Yes

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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