Manton Duramax High Performance Drop In Valve Spring Kit 2001-2022

Manton produces some of the finest high quality valve train components on the market. When it comes to a drop in Duramax spring kit, Manton has it covered. These complete kits come with everything you need to handle higher RPM's and bigger camshafts.

This valve spring system  has been engineered to work in unicen with all of its included components to provide the most overall valvetrain stability.

Kit includes:

• Valve Springs
• Billet Steel Retainers
• Chromoly Spring Cups
• Valve Locks 

Features:

• Works on Stock and Heavily Modified Trucks
• Increased Boost Capability
• Increased Spring Stability at High RPM
• Improved Spring Shape Lower Stress on Wire
• 130lb Seat Pressure
• Lightweight Billet Steel Retainers
• Drop In Upgrade
• Made in USA

Works great with Wagler and Socal AF and Standard fire camshafts.

3388, 3388AF, 6480, 6480AF, 9100, 9100AF,

WCPC6686-1, WCPC6686-2, WCPC661015

FITS:

• LB7, LLY LBZ, LMM, LML, L5P
• 2001-2022 Duramax 6.6L