Description

Engine Valve Spring Kit Available individually under 911-1

• Specifications

  • Coil Bind Height: 1.2"
  • Compatible Retainer: 748-16
  • Compatible Shims: 4757
  • Compatible Spring Cup (O.D. Locator):4779-16
  • Damper: Yes
  • Number of Springs: 1
  • Outer Spring Inside Diameter:1.11 IN
  • Outer Spring Outside Diameter:1.524 IN
  • Seat Height: 1.9 Inch
  • Seat Pressure:122 PS
  • Spring Rate:373