Silver Bullet Throttle Body Spacer Base Material: T-6061 T6 Aluminum;Finish: Polished Aluminum Finish;50 State Legal CARB E.O. # D-550-11;Finish:Anodized BUICK CADILLAC CHEVROLET GMC HUMMER AVALANCHE AVALANCHE 1500 AVALANCHE 2500 ENVOY ENVOY XL ENVOY XUV ESCALADE ESCALADE ESV ESCALADE EXT H2 RAINIER 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 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 SSR SUBURBAN 1500 SUBURBAN 2500 TAHOE TRAILBLAZER TRAILBLAZER EXT YUKON YUKON XL 1500 YUKON XL 2500 BASE C3 CLASSIC DENALI CLASSIC HYBRID CLASSIC LS CLASSIC LT CLASSIC SL CLASSIC SLE CLASSIC SLT CLASSIC SS CLASSIC WT CXL CXL PLUS DENALI HT HYBRID LS LT LTZ NORTH FACE ON ROAD EDITION SL SLE SLT SS WBH WT Z66 Z71 1999 2000 2001 2002 2003 2004 2005 2006 2007 4.8L GEN III LR4 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 LM4 Vortec (323) 5.3L GEN III LM4 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 (323) 5.3L GEN IV LH6 Vortec (325) 5.3L GEN IV LY5 Vortec (325) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) 6L GEN IV L76 Vortec (364) 6L GEN IV LS2 (364) 6L GEN IV LY6 Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG ELECTRIC/GAS FLEX GAS Afe Power aFe Power Silver Bullet Throttle Body Spacer (Polished) - 46-34001 46-34001 Throttle Body Spacers