Constructed of Billet Aluminum, eliminates timing variation under high RPM and load. Reduces flex for rock solid timing and consistent performance. Does not soften with heat. Works with all other factory and aftermarket components. Lifetime warranty against breakage. RED Anodized for wear and corrosion resistance. Replaceable wear strips (included as shown). Truly the strongest and most precise chain timing possible! 1996-2004 Mustang Cobra 4.6 DOHC 2003-2004 Mach One 4.6 DOHC Aviator 4.6 DOHC