-40%
PAC 1221 RPM series .650

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

$ 105.49

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

    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.