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4 valve

  1. 1996-2001 Cobra / 2003-2004 Mach 1 Classifieds
    As titled, this was for a cobra swap that ended up being turbo'ed, so this never has actually been used. Asking 150, they are 250 new. This is only the plenum, it comes with the silicon couplers.
  2. 2003 - 2004 Mach 1 Mustang
    So i'm completely ready to drop my wap 4.6 4v from an 04 mach 1 into my 2000... i'm going w/ a vortech v2 T-trim supercharger pushing it around 16psi w/ an fmic... So to do that i'm gonna forge everything and rebuild. i've never rebuilt a mod motor, but my buddies are professional mechanics, i...
  3. Engine Parts
    HPP Billet Blower cams. No need for Shims. .474" lift 282* duration 114 ls. Ran one season. 130 passes 20 dyno pulls. Made 720 hp with a conservative tune through a C4. $1100 + ship PayPal= 3% PM me please. Mike
  4. Engine Parts
    For sale: Navigator 5.4L, 4valve long block (300 horsepower, 355 ft-lb torque in factory trim) $1250. Clean engine. This engine has the massive (and affordable) 4V heads that provide a tremendous improvement in flow and performance compared to stock 2V or 3V heads. Build date is 12/6/01. It was...
  5. 1996 - 2004 Mustang GT
    Hey everyone, I'm new to this site and have some questions on a motor swap. My GT motor started getting piston knocks and I'm advised to swap out the motor. I'm shipping off to boot soon, and will be in school off and on for 6 months. I plan on having probably 15k to work with, and I want to put...
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