Competition Cams 54-408-11 Features: Produces Better Throttle Response Produces Top Engine Horsepower Delivers Increased Engine Vacuum 1 Year Limited Warranty Height: 2.750 Width: 3.000 Length: 24.500 Weight: 10.16 Fitment: 2006/Pontiac/GTO/Base Coupe 2-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^2006/Pontiac/Grand Prix/GXP Sedan 4-Door/5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^2006/Chevrolet/Trailblazer/SS Sport Utility 4-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^2006/Chevrolet/SSR/Base Convertible 2-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-...