Fast Guppy’s Speed Shop

5th Gen Mustang Stage 4 Package

  • Sale
  • Regular price $13,999.00


Mustang Stage 4 Package makes ~555HP

  • MMR CNC Ported Heads
    • MMR Gen 2 / 302 XR Titanium Retainers and Valve Springs
    • Oversize High Flow Stainless Steel Valves
  • MMR GEN X Billet timing chain guides, tensiors, and phaser deletes 
  • ARP Head Bolts
  • Cometic Head Gasket
  • Comp Cams XFI NSR Cam set

  • Comp Cams Phaser Limiters

  • Stainless works 304 Stainless long tube headers, hand tig-welded, with high flow catted X-pipe or off road pipes.

  • NGK Laser Iridium Spark Plugs

  • K&N Performance Cold Air Intake

  • Reische Performance Thermostat

  • DEI Radiator Relief 

  • Fast Guppy's Custom ECU Calibration 

  • Fast Guppy's Professional Warrantied installation