XFI? No Springs Required 228/231 Hydraulic Roller Finger Follower DOHC Cams for 2011-14 Ford 5.0L Coyote. Big power gains in mid to upper RPM range, especially above 4900 RPM. Request custom ECU programming. Requires cam phaser limiter kit Part #5493 or optional cam phaser lock kit #5492 for race applications.
- Cam Style:
- Hydraulic roller follower
- Basic Operating RPM Range:
- 1,700-7,000
- Intake Duration at .050 inch Lift:
- 228
- Exhaust Duration at .050 inch Lift:
- 231
- Duration at .050 inch Lift:
- 228 int./231 exh.
- Advertised Intake Duration:
- 275
- Advertised Exhaust Duration:
- 275
- Advertised Duration:
- 275 int./275 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.492 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.453 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.492 int./0.453 exh.
- Lobe Separation (degrees):
- 126
- Computer-Controlled Compatible:
- Yes
- Valve Springs Required:
- No
- Grind Number:
- F5.0D NSR-NA2H-126
- Camshaft Manufacturers Description:
- Big power gains in mid to upper rpm range, especially above 4,900 rpm. Requires phaser limiter kit and custom ECU programming.
- Quantity:
- Sold as a set of 4.
- Notes:
- Requires phaser limiter kit and custom ECU programming.
- Make:
- Ford
- Engine Family:
- Ford Coyote
- Engine Sizes:
- 5.0L/302
- Years:
- 2011-2014