ProMaxx Bare Replacement Cylinder Head 2018-2026-wrangler-jl they are not recommend for

they are not recommend for use on forced induction 2005-2010 Mustang applications

The Pro version produces approximately twice the total output of the Standard model

Dual Stage Progressive Nitrous Delivery

and a 5" rear lift block system

ProMaxx Bare Replacement Cylinder Head 2018-2026-wrangler-jl they are not recommend forThe ProMaxx Bare Replacement Cylinder Head is a high quality replacement for your 2006 2007 Ford 6. 0L Powerstroke. Built with thicker castings in crack prone areas, these heads undergo extensive testing and quality control to ensure that you receive the best product possible. ProMaxx performs the following tests and procedures: All fuel rails are drilled and checked, all heads are push rod clearanced, glow plugs and injectors are test fit, all