Roush Performance
2011-2012 BOSS 302R RH Cylinder Head Assembly – Ford Racing

Fits 2011-2012 Ford Mustang GT, Boss 302, Boss 302S and Boss 302R Ford production cylinder head used on the Mustang BOSS 302 and 302R race car Fully CNC'd ports and chambers Ford RH head assembly minus camshafts, rocker arms and lash adjusters 37mm hollow stem intake valve 31.8mm sodium filled exhaust valve (31mm on base 5.0L) Incresed rate valve springs can support 12 mm intake and 13 mm exhaust max lift (base head is 12mm/12mm) Ford Racing intake side flows approximately 4% more than base 5.0L head assembly 193cc intake port volume Chamber volume nominally 55.6cm Use Ford Racing head changing kit M-6067-M50BR Special Order, Please allow for longer than normal lead times.