Product Description
Big Mutha' Thumpr™ NSR 242/262 Hydraulic Roller Cams Ford 4.6/5.4L Modular 3 Valve. Extremely rough idle, needs stroker motor and/or ported heads. Major HP gains to 6800 RPM. Best with 3.73+ gears and 2500 stall. Compatible with stock valve springs, requires cam phaser upgrade.
Can utilize stock valve springs
| Advertised Intake Duration | 281 |
|---|---|
| Advertised Exhaust Duration | 314 |
| Intake Duration at .050 Inch Lift | 242 |
| Exhaust Duration at .050 Inch Lift | 262 |
| Intake Valve Lift | 0.450 |
| Exhaust Valve Lift | 0.450 |
| Lobe Lift Intake | N/A |
| Lobe Lift Exhaust | N/A |
| Lobe Separation | 109 |
