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PAC 1219X RPM Series Beehive Valve Springs Set for GM Gen III IV LS LS1 LS2 4.8 5.3 5.7 6.0 6.2 Engines

PAC SPRINGS

  • $ 20395


LS Ovate Beehive spring that has increased loads, rates and frequencies for more aggressive cams. This remains a drop in spring for stock parts but will handle increased lifts.

Specifications
Part# PAC-1219X
O.D. Large End (in) 1.207
I.D. Large End (in) 0.885
O.D. Small End (in) 1.072
I.D. Small End (in) 0.650
Installed Height (Valve Closed) (in) 145 @ 1.800
Open Valve (Valve Open) 358 @ 1.175
Spring Rate 340
Max Coil Bind (in) 1.100
Max Lift (in) 0.625
Titanium Retainers PAC-R510
PAC-R511
Steel Retainers PAC-R310
PAC-R311
Spring Seats PAC-S111



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