【Premium Materials】Made from 6061-T6 aluminum, strong and durable. Processed by anodization, rust resistance and corrosion resistance. Long service life. 【High Accuracy】Machined by CNC technology to ensure high accuracy. Our factory uses the most efficient manufacturing techniques to make replacement parts for your vehicle affordable. 【Through Specialised Tests】The Idler Pulley Relocation Bracket are specially designed to withstand the rigours of heavy-duty applications, ensuring smooth and reliable engine performance. 【Feature】This kit allows low-profile passenger car intake manifolds to be used with the factory truck alternator/power steering bracket. 【Fitments】Designed to relocate the idler pulley on the 4.8L 5.3L 5.7L 6.0L 6.2L. Compatible with Chevrolet 1999-2011 for LS Gen III/IV truck engine. 【Easy Installation】Stock truck alternator/power steering bracket modified by removing the idler pulley. Support area, to enable compatibility of LS1 intake manifolds with truck accessory brackets. Please contact us for detailed instructions. Fitment: Compatible with Chevy LS Gen III/IV truck engines 4.8L 5.3L 5.7L 6.0L 6.2L 1999-2013 Compatible with Passenger Car Intakes (LS1, LS2, and LS3) and Aftermarket High Performance Intakes Manifold. Install Note: Belt when using "large" alternator (2.19" (130+ amp) ) 78.63" K060780 Belt when using "small" alternator (1.68" (105 amp) ) 77.87" K060772