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VMP '10-'12 GT500 Stage 3 JLT 123 Pack with 2.5" pulley, idler, plugs, SCT X4 and Custom Tuning If you have a stock Shelby and are looking for more power this is the best place to start. This package offers great bang for your buck. The power package will raise boost 3-4 PSI and can add 100+ HP! We also offer free tune updates for any future modifications purchased from VMP. Package includes: SCT X4 tuning device JLT 123 mm cold air intake 2.50" supercharger pulley 90 mm idler pulley(8) NGK 3690 TR7IX spark plugs(1) VMP 91-93 octane custom tune. We highly recommend the use of the VMP Ultimate Pulley Removal and Installation tool. It is a specialized tool made specifically for this job, most Ford dealers and mechanics will not normally have such a tool. They may have other tools that will work, but the time spent and the damage caused is often not worth the trouble. Our tool is designed to take the stock pulley off without damaging it, and allows for easy installation of the new pulley. Our installation tool uses a large bearing to allow the new pulley to be installed on center and with relative ease (due to lack of friction). No heat is required when using our tool. We can not guarantee the installation of our pulley when other tools are used.

This Part Fits:

Year Make Model Submodel
2010-2013 Ford Mustang Shelby GT500
VMP Performance 10-12 Shelby GT500 Stage 3 JLT 123 Pack

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