PosiQuiet Semi-Metallic Pads Posi-Quiet Semi-Metallic Brake Pads;Outstanding wear characteristics;High friction level;Stable friction performance across wide temperature range;Scorching forces out any impurities of the friction material;Pre-burnishes the pads greatly accelerate the break-in process BUICK CHEVROLET GMC SAAB 9-7X CANYON COLORADO ENVOY ENVOY XL RAINIER SSR TRAILBLAZER TRAILBLAZER EXT 4.2I 5.3I AERO BASE CXL DENALI LS LT SLE SLT SS WT 2006 2007 2008 2009 2010 2011 2.9L LLV Vortec (178) 3.7L LLR Vortec (223) 4.2L LL8 Vortec (256) 5.3L GEN IV LH6 Vortec (325) 5.3L GEN IV LH8 Vortec (325) 5.3L GEN IV LH9 Vortec (325) 6L GEN IV LS2 (364) GAS Power Slot Power Slot PosiQuiet Semi-Metallic Pads - 104.1169 104.11690 Disc Brake Pads