Dual war head

89-9812v dual Valve springsw/ retainers for competition 5000+ RPMs

Dual Spring Kit – Made in the USA, Includes Retainers & 10° Locks

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.

Key Benefits

• 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.
• High Lift Compatibility: Engineered for up to .700″ lift—be sure your machine shop sets the correct installed height.
• DIY Valve Seal Upgrade:
  • 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).