Cylinder Heads

2001-2016 Duramax Performance HD Valve Spring Set of 32 (360-1022)

2001-2016 Duramax Manton Conical Valve Spring Kit (D-105-KIT-Dmax)

2005-2010 Duramax LLY/LBZ/LMM SoCal Billet Aluminum Upper Valve Cover

2005-2010 Duramax LLY/LBZ/LMM Valve Cover Grommet Delete Kit

2001-2016 Duramax Wagler Street Dual Valve Spring Kit (C6643)

Kryptonite Valve Stem Caps (KRVSC)

2006-2007 Duramax LBZ PML Reman Cylinder Head Set of 2 (CH66D-LBZ-06-07)