Fast Guppy’s Speed Shop

6th Gen Mustang Stage 4 Package

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  • Regular price $14,699.00
Shipping calculated at checkout.

Mustang Stage 4 Package makes ~595HP

  • 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

  • Injen Evolution Cold Air Intake

  • Reische Performance Thermostat

  • DEI Radiator Relief 

  • Fast Guppy's Custom ECU Calibration 

  • Fast Guppy's Professional Warrantied installation