PAC 1219X Valve Spring as used on M-6049-Z304DA Cylinder Heads
- O.D. Large End (in) 1.207"
- I.D. Small End (in) 0.650"
- Installed Height (Valve Closed) (in) 145 lbs. @ 1.800"
- Open Valve (Valve Open) 358 lbs. @ 1.175"
- Spring Rate 340
- Max Coil Bind (in) 1.100"