Engine Valve Spring Seat 2009 Ford Mustang which leads to improved performance

which leads to improved performance and fuel economy over stock or equal Length headers

75" pipes Cat-Back(tm) system by Borla(r) features a True Dual design which is unique in the industry

allowing for easy installation with simple hand tools

Edelbrock pulley part #15820 is for use with any of our Professional Tuner systems

Comes with mounting bolts

Engine Valve Spring Seat 2009 Ford Mustang which leads to improved performanceEdelbrock part #5771 Valve Spring Seat Cups for Edelbrock 390 428 Ford FE and 383 440 Chrysler Heads using valve springs #5792. These Spring cups provide a hardened barrier between the springs and the aluminum heads, positively locating the base of the spring to prevent unwanted spring movement. Sold in sets of 16.