FAQs & Tech Tips

MM News

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

Matching Mustang spring rates

Each table lists a series of struts and shocks. Within each table, springs are recommended for the different front and rear suspension configurations of a Mustang.

MM Sport Series Spring Recommendations
Stock Location Springs H&R Race
H&R Super Race
Coil-Over Spring Rates
Front Springs 350 - 400 lb/in
Solid Axle Rear Springs 225 - 300 lb/in
IRS Rear Springs 500 - 600 lb/in



MM2 Race Series Spring Recommendations
Stock Location Springs H&R Super Race
Coil-Over Spring Rates
Front Springs 400 - 425 lb/in
Solid Axle Rear Springs 275 - 325 lb/in
IRS Rear Springs 600 - 650 lb/in



MM3 Race Series Spring Recommendations
Stock Location Springs Not recommended
Coil-Over Spring Rates
Front Springs 450 - 500 lb/in
Solid Axle Rear Springs 325 - 375 lb/in
IRS Rear Springs 650 - 700 lb/in



Bilstein Heavy Duty (HD) Series Spring Recommendations
Stock Location Springs MM Road & Track
H&R Race
H&R Super Sport
H&R Sport
Eibach Pro-Kit
Stock Springs
Coil-Over Spring Rates
Front Springs 250 - 325 lb/in
Solid Axle Rear Springs 175 - 250 lb/in
IRS Rear Springs 475 - 525 lb/in



Bilstein OEM 2000 Cobra R Spring Recommendations
Stock Location Springs Ford 2000 Cobra R
Coil-Over Spring Rates
Front Springs Not recommended
Solid Axle Rear Springs Not available
IRS Rear Springs 575 - 650 lb/in



Tokico Premium Performance Spring Recommendations
Stock Location Springs Stock Springs
Eibach Pro-Kit
H&R Sport
Coil-Over Spring Rates
Front Springs Not recommended
Solid Axle Rear Springs Not available
IRS Rear Springs Not available



Tokico Illumina Spring Recommendations
Stock Location Springs Stock Springs
Eibach Pro-Kit
H&R Sport
H&R Super Sport
H&R Race
Coil-Over Spring Rates
Front Springs 250-325 lb/in
Solid Axle Rear Springs Not available
IRS Rear Springs Not available



Tokico D-Spec Spring Recommendations
Stock Location Springs Stock Springs
Eibach Pro-Kit
H&R Sport
H&R Super Sport
H&R Race
H&R Super Race
Coil-Over Spring Rates
Front Springs 150-375 lb/in
Solid Axle Rear Springs Not available
IRS Rear Springs Not available



Koni Single Adjustable Sport Spring Recommendations
Stock Location Springs Stock Springs
MM Road & Track
Eibach Pro-Kit
H&R Sport
H&R Super Sport
H&R Race
Coil-Over Spring Rates
Front Springs 275-375 lb/in
Solid Axle Rear Springs Not available
IRS Rear Springs 475-525 lb/in



Koni Double Adjustable Sport Spring Recommendations
Stock Location Springs MM Road & Track
H&R Race
H&R Super Race
Coil-Over Spring Rates
Front Springs 325-525 lb/in
Solid Axle Rear Springs 200-375 lb/in
IRS Rear Springs Not available