FAQs & Tech Tips

PayPal

MM News

NASA Racers! MM will support NASA road racers with $1,000 contingency prizes for the American Iron, American Iron Extreme, and Spec Iron at the 2019 National Champions. You must register to be eligible.

New! Read the article Maximum Motorsports Tames Fox & SN95 Mustang Rear Suspensions on FordMuscle.com.

MRT Exhaust! MM now offers premium MRT cat-back exhaust systems for 1996-2004 Mustangs.

New! for Street & Strip Mustangs! Big-bore rear wheel cylinders for 1979-1993 Mustang with 9" drum brakes. Improves braking when running big rear tires and front skinnies, and/or different OEM front brakes.

New! Swapping a Coyote into a Fox Mustang? MM's Hydroboost Conversion Kits allow easy installation of a 1996-2004 Mustang Hydroboost power brake assist unit into a 1979-1993 Mustang.

New! Swapping an IRS into your Fox Mustang? MM makes it easier with a brake line kit made just for this conversion. Bolts-in, with no cutting or flaring of brake lines. Designed to fit standard IRS brake hoses.

New! MM's billet aluminum Pedal Box Spacer for Fox Mustangs. Replace the breakage-prone OEM plastic spacer when converting to manual brakes or Hydroboost.

Canadians! Please read the latest about ordering from Canada/shipping to Canada.

/DRIVE
We've posted the parts list and link to the video of MM's Mustang in /DRIVE Tuner car Shootout

Displaying 1 - 19 of 19 results  
Product ImageProduct(s)-Part #Price
MM Coil-over Spring, 175 lb/in, 11", 2-1/4" diameter

MM Coil-over Spring, 175 lb/in, 11", 2-1/4" diameter

MM-designed this barrel-shaped spring for rear coil-over conversions in 1979-2004 Mustangs. Does NOT fit 1980-1988 Thunderbird because the barrel-shape of the spring interferes with the unique Thunderbird rear shock tower.
225.175.11 $78.97

... more info

MM Coil-over Spring, 200 lb/in, 10", 2-1/4" diameter

MM Coil-over Spring, 200 lb/in, 10", 2-1/4" diameter

MM-designed this barrel-shaped spring for rear coil-over conversions in 1979-2004 Mustangs. Does NOT fit 1980-1988 Thunderbird because the barrel-shape of the spring interferes with the unique Thunderbird rear shock tower.
225.200.10 $78.97

... more info

Hypercoil Coil Over Spring, 225 lb/in, 9", 2-1/4" dia. (9A0225)

Hypercoil Coil Over Spring, 225 lb/in, 9", 2-1/4" dia. (9A0225)

Hypercoil Coil-Over Spring, 225 lb/in, 9" long, 2-1/4" inside diameter
HYP22509225 $78.97

... more info

Hypercoil Coil Over Spring, 250 lb/in, 9", 2-1/4" dia. (9A0250)

Hypercoil Coil Over Spring, 250 lb/in, 9", 2-1/4" dia. (9A0250)

Hypercoil Coil-Over Spring, 250 lb/in, 9" long, 2-1/4" inside diameter
HYP25009225 $78.97

... more info

Hypercoil Coil Over Spring, 275 lb/in, 9", 2-1/4" dia. (9A0275)

Hypercoil Coil Over Spring, 275 lb/in, 9", 2-1/4" dia. (9A0275)

Hypercoil Coil-Over Spring, 275 lb/in, 9" long, 2-1/4" inside diameter
HYP27509225 $78.97

... more info

Hypercoil Coil Over Spring, 300 lb/in, 9", 2-1/4" dia. (9A0300)

Hypercoil Coil Over Spring, 300 lb/in, 9", 2-1/4" dia. (9A0300)

Hypercoil Coil-Over Spring, 300 lb/in, 9" long, 2-1/4" inside diameter
HYP30009225 $78.97

... more info

Hypercoil Coil Over Spring, 325 lb/in, 8", 2-1/4" dia. (8A0325)

Hypercoil Coil Over Spring, 325 lb/in, 8", 2-1/4" dia. (8A0325)

Hypercoil Coil-Over Spring, 325 lb/in, 8" long, 2-1/4" inside diameter
HYP32508225 $78.97

... more info

Hypercoil Coil Over Spring, 350 lb/in, 8", 2-1/4" dia. (8A0350)

Hypercoil Coil Over Spring, 350 lb/in, 8", 2-1/4" dia. (8A0350)

Hypercoil Coil-Over Spring, 350 lb/in, 8" long, 2-1/4" inside diameter
HYP35008225 $78.97

... more info

Hypercoil Coil Over Spring, 375 lb/in, 8", 2-1/4" dia. (8A0375)

Hypercoil Coil Over Spring, 375 lb/in, 8", 2-1/4" dia. (8A0375)

Hypercoil Coil-Over Spring, 375 lb/in, 8" long, 2-1/4" inside diameter
HYP37508225 $78.97

... more info

Hypercoil Coil Over Spring, 400 lb/in, 8", 2-1/4" dia. (8A0400)

Hypercoil Coil Over Spring, 400 lb/in, 8", 2-1/4" dia. (8A0400)

Hypercoil Coil-Over Spring, 400 lb/in, 8" long, 2-1/4" inside diameter
HYP40008225 $78.97

... more info

Hypercoil Coil Over Spring, 425 lb/in, 8", 2-1/4" dia. (8A0425)

Hypercoil Coil Over Spring, 425 lb/in, 8", 2-1/4" dia. (8A0425)

Hypercoil Coil-Over Spring, 425 lb/in, 8" long, 2-1/4" inside diameter
HYP42508225 $78.97

... more info

Hypercoil Coil Over Spring, 475 lb/in, 8", 2-1/4" dia. (8A0475)

Hypercoil Coil Over Spring, 475 lb/in, 8", 2-1/4" dia. (8A0475)

Hypercoil Coil-Over Spring, 475 lb/in, 8" long, 2-1/4" inside diameter
HYP47508225 $78.97

... more info

Hypercoil Coil Over Spring, 500 lb/in, 8", 2-1/4" dia. (8A0500)

Hypercoil Coil Over Spring, 500 lb/in, 8", 2-1/4" dia. (8A0500)

Hypercoil Coil-Over Spring, 500 lb/in, 8" long, 2-1/4" inside diameter
HYP50008225 $78.97

... more info

Hypercoil Coil Over Spring, 525 lb/in, 8", 2-1/4" dia. (8A0525)

Hypercoil Coil Over Spring, 525 lb/in, 8", 2-1/4" dia. (8A0525)

Hypercoil Coil-Over Spring, 525 lb/in, 8" long, 2-1/4" inside diameter
HYP52508225 $78.97

... more info

Hypercoil Coil Over Spring, 550 lb/in, 8", 2-1/4" dia. (8A0550)

Hypercoil Coil Over Spring, 550 lb/in, 8", 2-1/4" dia. (8A0550)

Hypercoil Coil-Over Spring, 550 lb/in, 8" long, 2-1/4" inside diameter
HYP55008225 $78.97

... more info

Hypercoil Coil Over Spring, 600 lb/in, 8", 2-1/4" dia. (8A0600)

Hypercoil Coil Over Spring, 600 lb/in, 8", 2-1/4" dia. (8A0600)

Hypercoil Coil-Over Spring, 600 lb/in, 8" long, 2-1/4" inside diameter
HYP60008225 $78.97

... more info

Hypercoil Coil Over Spring, 650 lb/in, 8", 2-1/4" dia. (8A0650)

Hypercoil Coil Over Spring, 650 lb/in, 8", 2-1/4" dia. (8A0650)

Hypercoil Coil-Over Spring, 650 lb/in, 8" long, 2-1/4" inside diameter
HYP65008225 $78.97

... more info

Hypercoil Coil Over Spring, 700 lb/in, 8", 2-1/4" dia. (8A0700)

Hypercoil Coil Over Spring, 700 lb/in, 8", 2-1/4" dia. (8A0700)

Hypercoil Coil-Over Spring, 700 lb/in, 8" long, 2-1/4" inside diameter
HYP70008225 $78.97

... more info

Hypercoil Coil Over Spring, 750 lb/in, 8", 2-1/4" dia. (8A0750)

Hypercoil Coil Over Spring, 750 lb/in, 8", 2-1/4" dia. (8A0750)

Hypercoil Coil-Over Spring, 750 lb/in, 8" long, 2-1/4" inside diameter
HYP75008225 $78.97

... more info