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Please be aware
Our supply chain is suffering major pandemic-related disruptions. Many of our suppliers shut down for a time, and like us are operating with reduced manpower. Meanwhile, demand for MM products has skyrocketed. Thank you! We’re a small company and we regret our website isn’t fancy enough to inform you of back orders when you buy something. Please understand that we’re working as fast as we can to fill your orders.

UPS Shipping Times As of March 24, UPS no longer guarantees the shipping time for any shipment. i.e., expect shipping time to lengthen.

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Displaying 1 - 19 of 19 results  
Product ImageProduct(s)Part #
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