ACCEL Custom Fit Extreme 9000 Ceramic Spark Plug Wire Set 9059C Custom Fit Extreme 9000 Ceramic; Spark Plug Wire Set; 8mm Ferro-Spiral Core Wire CADILLAC CHEVROLET GMC HUMMER SAAB 9-7X AVALANCHE AVALANCHE 1500 CANYON COLORADO ENVOY ESCALADE ESCALADE ESV ESCALADE EXT H2 H3 SIERRA 1500 SIERRA 1500 CLASSIC SIERRA 1500 HD SIERRA 1500 HD CLASSIC SIERRA 2500 SIERRA 2500 HD SIERRA 2500 HD CLASSIC SIERRA 3500 SIERRA 3500 CLASSIC SIERRA 3500 HD SILVERADO 1500 SILVERADO 1500 CLASSIC SILVERADO 1500 HD SILVERADO 1500 HD CLASSIC SILVERADO 2500 SILVERADO 2500 HD SILVERADO 2500 HD CLASSIC SILVERADO 3500 SILVERADO 3500 CLASSIC SILVERADO 3500 HD SUBURBAN 1500 SUBURBAN 2500 TAHOE TRAILBLAZER YUKON YUKON XL 1500 YUKON XL 2500 5.3I AERO ALPHA BASE C3 CHAMPIONSHIP SERIES CLASSIC DENALI CLASSIC HYBRID CLASSIC LS CLASSIC LT CLASSIC SL CLASSIC SLE CLASSIC SLT CLASSIC SS CLASSIC WT DENALI DENALI HYBRID HT HYBRID HYBRID PLATINUM LS LT LTZ LUXURY NORTH FACE ON ROAD EDITION PLATINUM PREMIUM SL SLE SLT SS WBH WT XFE Z66 Z71 1999 2000 2001 2002 2003 2004 2005 2006 2007 2009 2010 2011 2012 4.8L GEN III LR4 Vortec (294) 4.8L GEN IV Flex L20 Vortec (294) 4.8L GEN IV LY2 Vortec (294) 5.3L GEN III Electric/Gas LM7 (325) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III L33 Vortec (325) 5.3L GEN III LM7 Vortec (323) 5.3L GEN III LM7 Vortec (325) 5.3L GEN IV Flex LC9 Vortec (325) 5.3L GEN IV Flex LMG Vortec (325) 5.3L GEN IV LH6 Vortec (325) 5.3L GEN IV LH8 Vortec (325) 5.3L GEN IV LH9 Vortec (325) 5.3L GEN IV LY5 Vortec (325) 6.2L Flex L94 (376) 6.2L Flex L9H (376) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III Electric/Flex LZ1 Vortec(364) 6L GEN III Electric/Gas LFA Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L76 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LS2 (364) 6L GEN IV LY6 Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG ELECTRIC/FLEX ELECTRIC/GAS FLEX GAS with RFI Suppression ACCEL ACCEL Custom Fit Extreme 9000 Ceramic Spark Plug Wire Set - 9059C 9059C Spark Plug Wire Sets