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Displaying 1 to 6 (of 6 Products)
537192
MMR Professional Head Cooling Mod (HCM) for 2005-2010 4.6/5.4 3V This professional kit includes Billet left and right cylinder head...
$139.99Select Options...
455498
This part may save your engine!! The MMR cylinder head oiling modification ( oil balance lines ) joins the left and right cylinder head together with...
$119.99Select Options...
455811
This part may save your engine!! The MMR cylinder head oiling modification ( oil balance lines ) joins the left and right cylinder head together with...
$119.99Select Options...
437192
MMR's cooling head mod ( HCM ) for for 96-04 DOHC 4.6/5.4 (ALL Heads) - (rear of heads) is designed to help eliminate hotspots in the #8 cylinder...
$199.99Select Options...
455478
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...
$199.99Select Options...
466650
Replacement O rings for ALL MMR Head Cooling Mods. Improved Viton Brand Material. Includes QTY 2 O rings per order. If you have a dual O ring...
$12.99Select Options...
Displaying 1 to 6 (of 6 Products)
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