Wagler Dual Valve Spring Kit, 2001-2016 LB7/LLY/LBZ/LMM/LML

Part# WCPC6643

$600.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

Keep your high revving valvetrain in check with Wagler Competition's Dual Valve Spring Kit.


  • Compatible with factory spring shims & locks
  • Rated to handle 5000RPM's


  • (32) Dual valve springs
  • (32) Steel retainers


  • 130lb. seat pressure at 1.720 (to the top of the retainer) installed height
  • Coil bind at 1.010


  • Recommend WCPC6664 pushrods or upgraded pushrods with this spring kit