Wagler Duramax Dual Valve Spring Kit,

Fits: 2001-2016 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.

Features:

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

Includes:

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

Specs:

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

Notes:

• Recommend WCPC6664 pushrods or upgraded pushrods with this spring kit
• SUPERCEEDS Part Number WCPC6643