.625" Lift PAC 1211X Beehive Springs

PAC 1211X .625" Lift Beehive Springs are a direct drop in for all LS applications except LS7. 130 lbs @ 1.800" 370 lbs @ 1.175" Set of 16 Springs O.D. Large End (inches) 1.29 I.D. Large End (inches) 0.885 O.D. Small End (inches) 1.055 I.D. Small End (inches) 0.650 Installed Height (Valve Closed) (inches) 130 @ 1.800 Open Valve (Valve Open) 370lbs @ 1.175 Spring Rate 384 Max Coil Bind (inches) 1.100 Max Lift (inches) 0.625 Suggested Parts: Titanium Retainers PAC-R510 PAC-R511 Steel Retainers PAC-R310 PAC-R311 Spring Seats PAC-S111