Cummins 89-98 Dual war head 89-9812v dual Valve springsw/ retainers for competition 5000+ RPMs

Step up to our Dual Valve Spring Kit for confident, stable valvetrain control in any high-performance diesel build. Whether you’re pushing higher RPM, boosting valve lift, or running more aggressive cams, these springs keep your engine on track for maximum power and reliability.

Features

• Enhanced Valve Control : Eliminate the risk of valve float in high-stress, high-lift applications.
• All-Inclusive Kit : Comes complete with retainers and 10° locks , ensuring a secure fit and simplified installation.
• You can run these springs without valve stem seals , or
• Modify your head to use Comp Cams 519-16 seals by employing a Howards Cams Cutter (part #92035) and 5/16″ arbor (#92085) .
• The modification is quick and easy—usually under five minutes with a cordless drill.

Fitment

• Engineered for up to .700″ lift —be sure your machine shop sets the correct installed height.

What's Included

• When higher RPM, greater valve lift, stiffer spring pressures, and larger valve sizes exceed a single spring’s capabilities, it’s time to upgrade to a dual spring setup . Our American-made Dual Valve Springs provide the extra control you need, maintaining precise valvetrain motion and safeguarding against valve float.