Quick view BT Power GM 6.6L Duramax Valve Cover Bolt Insulator | Bostech DEC011638 MSRP: Now: $3.95 Was: GM Duramax Valve Cover Bolt Insulator Molded from Heat & Oil Resistance Material Direct Fit Fitment Note: 14 Insulators per side 28 Insulators total per vehicle Included in valve cover gasket kit #GK01341K for LLY, LBZ, and... MSRP: Now: $3.95 Was: Quick view
