12V Compressor Spring Tool
Makes changing out your valve springs while in the engine very easy.
Safely get more power and rpm from your 12V Cummins engine.
Good for up to 4500 RPM! Heavy Duty Valve Springs 1998.5-2011+ 24 Valve Cummins - 103 pressure Features include: Beehive design to reduce mass on the top part of the spring with the most linear motion Ovate wire to handle high lift cams without...
Needed in 12V Cummins running over 30 lbs of boost/drive pressure or over 3500 rpm
24 Valve Competition Springs 110LB seat pressure. Good to 6,500 RPM