US$2,500 New Ford Racing Boss 302r High Flow Cylinder Heads Mustang in St Catharines, Ontario for sale

This is for both heads for newer 5.0left and right side M-6049-M50BR & M-6050-M50BR Fits 2011-2014 Mustang GT, 2012-2013 Boss 302, Boss 302S andBoss 302R race carProduction cylinder head pre-owned on the 302R race carFully CNC'd ports and chambersLoaded head assembly minus camshafts, rocker arms and lash adjusters37mm hollow stem intake valve31.8mm sodium filled exhaust valve (31mm on base 5.0L)Incresed rate valve springs, 300 N closed 700 N open, can support 12 mm intake and thirteen mm exhaust max lift (base head is 12mm/12mm)193cc intake port volumeChamber volume nominally 55.6cm