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PAC 1221 RPM series .650

PAC 1221 RPM series .650" lift dual spring set for LSx engines

$ 105.49

Availability: 83 in stock
  • Manufacturer Part Number: 1221
  • Condition: New
  • Returns Accepted: ReturnsNotAccepted
  • Fitment Type: Performance/Custom
  • Brand: PAC
  • Warranty: No Warranty
  • Interchange Part Number: 1221x-1

    Description

    This is a full set of 16 dual valve springs good to .650" lift, intended for LSx engines.  These are springs only, no retainers, seats, etc included.
    135 pounds closed at 1.800"
    400 pounds open at 1.500"
    Coil bind at 1.080"
    1.300" O.D.
    Applications: Gen III and Gen IV GM
    LS Engines.