New! MM Starter Box for S550 Mustangs. Includes Koni dampers, MM Caster Camber Plates, choice of Eibach or H&R springs, and Eibach swaybars.
New! Koni struts and shocks are now available for S550 Mustangs. Koni's renowned Sport series single-adjustable dampers will greatly improve the handling your 2015+ Mustang.
New! MM Engine Support Beam for 2005-2014 Mustangs holds your engine up while swapping k-members. Ideal for installing the Mm5KM-7 k-member, or any k-member. Install headers much more easily by removing your k-member.
New! Now in stock are springs for the 2015 Mustang from Eibach and H&R.
New! MM now offers an adjustable front swaybar for SN95 Mustangs. Currently in stock and ready to ship.
New! Second-generation MM shocks are now available, with 4 different valvings in stock. These shocks are loaded with new features to improve performance. Along with the new shocks are 2 new coil-over kits, and a new Racing Upper Shock Mount.
New! Read the new MM&FF install article about our new 2015 Mustang Caster Camber plates. More product information about the Mm6CC-10 kit can be found here.
World-class handling is the hallmark of the Maximum Grip Box. This quantum leap forward in technology was originally developed for street-driven Mustangs, yet with only a few minor parts substitutions is used on many winning racecars. See the impressive results of our 1996 Mustang at the NMRA SoCal autocross.
Watch the Engine Power TV episode devoted to installing a Maximum Grip Box.
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