XFI NSR Blower 236/243 Hydraulic Roller Cams for ('11-'14) Ford 5.0L Coyote
XFI No Springs Required Blower 236/243 Hydraulic Roller Finger Follower DOHC Cams for 2011-14 Ford 5.0L Coyote. Max effort street/strip cam set. Best choice when runnng higher boost levels and high RPM in modified engines. Requires ECU programming. Requires cam phaser limiter kit Part #5493 or optional cam phaser lock kit #5492 for race applications.