MMR 2011-2023 Mustang GT 5.0 / Shelby 5.2 Head Cooling Mod HCM

MMR's Head Cooling Mod ( HCM ) for the 2011-2023 5.0 / 5.2 Coyote is designed to help eliminate hotspots in the #8 cylinder by promoting coolant flow around cylinder # 8 - the cylinder long known to be the first to detonate with aggressive naturally aspirated tunes and forced induction. Dont fall victim to this failure, protect your investment with this simple, professional kit. Installation requires tapping out the factory freeze plugs and simply installing the MMR kit. Kit seals with high grade DOUBLE* Viton Brand Aerospace O rings. NHRA Approved Socketless hose does not require hose clamps for simple push on installation. Includes all parts shown, no other parts required. Fits all Mustang, BOSS and F150 with 5.0 & 5.2 TiVCT engine. Billet Alloy construction. 100% USA MADE by MMR - Patent Pending


*Helps Prevent Hotspots in rear cylinders
*O ring seal & bolt in design cannot leak or fall out like factory freeze plugs
*Can be used for Plumbing dry decked cylinder heads on race applications
*Available with Std Rubber Hose or Black Braided Hose (see option box below)

2011-2023 Mustang GT
2012-2013 BOSS Mustang
2016-2020 GT350
2020+ GT500
2011-2020 F150
2011 Falcon GT (Australia)
2014-2017 Falcon XR8 (Australia)
2014 FPV Falcon GT-F (Australia)

*2018+ Models Feature SINGLE O ring due to the design of the cylinder head

*Does not fit 2021+ F150 Gen4 engines

  • Model: 455478
  • Manufactured by: MMR


Please Choose:

Head Cooling Mod Options

Add to Cart:
Your IP Address is:
All Images and Content Copyright © 2024 Modular Motorsports. Powered by Zen Cart