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12 - 60lb Intake & Exhaust Valve Springs 89-98 12V Dodge Cummins

12-60lb Intake & Exhaust Valve Springs 89-98 12 Valve Dodge 5.9L Cummins

The seat pressure on these springs is ~150bs at the installed height of 1.950.
At 400 lift, the spring pressure is ~192-195lbs.
At 500 lift, the spring pressure is ~210lbs.

 
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