Comp Xtreme Energy XE278AH 99-04 2V Street/strip Cam- Rough Idle
SOHC-Street/strip, needs 3.73+ gears, 2400+ stall. Intake, exhaust, computer & valve spring upgrade. Rough idle.
*Always check piston to valve clearance as Ford used a variety of piston vendors & designs with these engines. Some combinations may require aftermarket pistons for clearance.