QA1 Coil Springs and Accessories

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$196 Off

QA1 HD06-12170 Proma Star Coilover Strut Kit, 82-92 GM F-body

QA1 |

#721HD0612170

QA1 HD06-12170 Proma Star Coilover Strut Kit, 82-92 GM F-body

Position:

Front

Spring Rate:

170 lbs.

Shock Adjustability:

Double Adjustable

$1,820.95

/kit

$2,017.32

$196 Off

QA1 HD01-12300 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 |

#721HD0112300

QA1 HD01-12300 Proma Star Coilover Strut Kit, 79-89 Mustang

Position:

Front

Spring Rate:

300 lbs.

Shock Adjustability:

Double Adjustable

$1,820.95

/kit

$2,017.32

$113 Off

QA1 RCK52365 Rear Pro Coil Kit 71-76, GM B-Body, DA Shocks, 300

QA1 |

#721RCK52365

QA1 RCK52365 Rear Pro Coil Kit 71-76, GM B-Body, DA Shocks, 300

Position:

Rear

Shock Adjustability:

Double Adjustable

Shock Type:

Twin Tube

$1,049.95

/kit

$1,163.17

$196 Off

QA1 HD01-14150 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 |

#721HD0114150

QA1 HD01-14150 Proma Star Coilover Strut Kit, 79-89 Mustang

Position:

Front

Spring Rate:

150 lbs.

Shock Adjustability:

Double Adjustable

$1,820.95

/kit

$2,017.32

-9%

QA1 10HT175 High Travel Coil-Over Spring, 10 Inch, 175lb Rate

QA1 |

#72110HT175

QA1 10HT175 High Travel Coil-Over Spring, 10 Inch, 175lb Rate

(1)

Spring Rate:

175 lbs.

Free Height:

10"

Inside Diameter:

2.5"

$79.95

/each

$88.57

$173 Off

QA1 HS01-12200 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 |

#721HS0112200

QA1 HS01-12200 Proma Star Coilover Strut Kit, 79-89 Mustang

Position:

Front

Spring Rate:

200 lbs.

Shock Adjustability:

Double Adjustable

$1,599.95

/kit

$1,772.49

$104 Off

QA1 GD501-10500A Pro Coil-Over System, GM A-Body/Tri-5

QA1 |

#721GD50110500A

QA1 GD501-10500A Pro Coil-Over System, GM A-Body/Tri-5

Position:

Front

Spring Rate:

500 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

$104 Off

QA1 GD501-10550C GM Pro Coil, Double Adj, 550 Tapered Flat, Large

QA1 |

#721GD50110550C

QA1 GD501-10550C GM Pro Coil, Double Adj, 550 Tapered Flat, Large

Position:

Front

Spring Rate:

550 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

-9%

QA1 7HT350 High Travel Coil-Over Spring, 7 Inch, 350lb Rate

QA1 |

#7217HT350

QA1 7HT350 High Travel Coil-Over Spring, 7 Inch, 350lb Rate

(1)

Spring Rate:

350 lbs.

Free Height:

Inside Diameter:

2.5"

$79.95

/each

$88.57

-9%

QA1 RCK52401 Rear Pro Coil Shock System,1979-2004 Ford Mustang

QA1 |

#721RCK52401

QA1 RCK52401 Rear Pro Coil Shock System,1979-2004 Ford Mustang

Position:

Rear

Spring Rate:

95 lbs.

Shock Adjustability:

Double Adjustable

$904.95

/kit

$1,002.53

-9%

QA1 DS501-2501 HD Pro Rear Weld-In Coilover Kit, Single Adj Shock

QA1 |

#721DS5012501

QA1 DS501-2501 HD Pro Rear Weld-In Coilover Kit, Single Adj Shock

Position:

Rear

Spring Rate:

250 lbs.

Shock Adjustability:

Double Adjustable

$823.95

/kit

$912.81

$104 Off

QA1 GD517-10650C Dbl Adj Pro-Coilover Kit, 99-06 GM Truck, 650 lb

QA1 |

#721GD51710650C

QA1 GD517-10650C Dbl Adj Pro-Coilover Kit, 99-06 GM Truck, 650 lb

Position:

Front

Spring Rate:

650 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

$104 Off

QA1 GD501-10600A GM Pro Coil System, Double Adj, Tapered Pigtail

QA1 |

#721GD50110600A

QA1 GD501-10600A GM Pro Coil System, Double Adj, Tapered Pigtail

Position:

Front

Spring Rate:

600 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

$116 Off

QA1 MD402-10400C Front Pro Coil-Over System, 1967-73 Mustang, 400

QA1 |

#721MD40210400C

QA1 MD402-10400C Front Pro Coil-Over System, 1967-73 Mustang, 400

Position:

Front

Spring Rate:

400 lbs.

Shock Adjustability:

Double Adjustable

$1,079.95

/kit

$1,196.41

-9%

QA1 GS401-10650B GM Pro Coil System, Single Adj, Tapered Flat

QA1 |

#721GS40110650B

QA1 GS401-10650B GM Pro Coil System, Single Adj, Tapered Flat

Position:

Front

Spring Rate:

650 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/kit

$875.14

$104 Off

QA1 GD507-10450C GM Pro Coil System, Double Adj, Tapered Flat Lrg

QA1 |

#721GD50710450C

QA1 GD507-10450C GM Pro Coil System, Double Adj, Tapered Flat Lrg

Position:

Front

Spring Rate:

450 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

-9%

QA1 GS501-10350A Front Pro Coil Shock Kit, 10.13/17 Comp/Ext, 350 Rate

QA1 |

#721GS50110350A

QA1 GS501-10350A Front Pro Coil Shock Kit, 10.13/17 Comp/Ext, 350 Rate

Position:

Front

Spring Rate:

350 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/kit

$875.14

-9%

QA1 GS401-10550A Pro Coil-Over System, Camaro, Firebird

QA1 |

#721GS40110550A

QA1 GS401-10550A Pro Coil-Over System, Camaro, Firebird

Position:

Front

Spring Rate:

550 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/kit

$875.14

$223 Off

QA1 MG501-10600C Mod Series GM Front Pro Coil System, 600 lb.

QA1 |

#721MG50110600C

QA1 MG501-10600C Mod Series GM Front Pro Coil System, 600 lb.

Position:

Front

Spring Rate:

600 lbs.

Shock Adjustability:

Double Adjustable

$2,066.95

/kit

$2,289.85

-9%

QA1 10HT225 High Travel Coil-Over Spring, 10 Inch, 225lb Rate

QA1 |

#72110HT225

QA1 10HT225 High Travel Coil-Over Spring, 10 Inch, 225lb Rate

(1)

Spring Rate:

225 lbs.

Free Height:

10"

Inside Diameter:

2.5"

$79.95

/each

$88.57

-9%

QA1 14HT225 High Travel Coil-Over Spring, 14 Inch, 225lb Rate

QA1 |

#72114HT225

QA1 14HT225 High Travel Coil-Over Spring, 14 Inch, 225lb Rate

(1)

Spring Rate:

225 lbs.

Free Height:

14"

Inside Diameter:

2.5"

$79.95

/each

$88.57

-9%

QA1 RCK52361 Rear Pro Coil Kit 71-76, GM B-Body, SA Shocks, 250

QA1 |

#721RCK52361

QA1 RCK52361 Rear Pro Coil Kit 71-76, GM B-Body, SA Shocks, 250

Position:

Rear

Shock Adjustability:

Single Adjustable

Shock Type:

Twin Tube

$875.95

/kit

$970.41

-9%

QA1 MS401-10350C Front Pro Coil-Over System, 1964-66 Mustang, 350

QA1 |

#721MS40110350C

QA1 MS401-10350C Front Pro Coil-Over System, 1964-66 Mustang, 350

Position:

Front

Spring Rate:

350 lbs.

Shock Adjustability:

Single Adjustable

$894.95

/kit

$991.45

-9%

QA1 MS302-08375 Mustang II Coil-Over Conversion System, 375 lb.

QA1 |

#721MS30208375

QA1 MS302-08375 Mustang II Coil-Over Conversion System, 375 lb.

Position:

Front

Spring Rate:

375 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/pair

$875.13

-9%

QA1 MS301-08600 Mustang II Coil-Over Conversion System, 600 lb.

QA1 |

#721MS30108600

QA1 MS301-08600 Mustang II Coil-Over Conversion System, 600 lb.

Position:

Front

Spring Rate:

600 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/pair

$875.13

-9%

QA1 MS302-08700 Mustang II Coil-Over Conversion System, 700 lb.

QA1 |

#721MS30208700

QA1 MS302-08700 Mustang II Coil-Over Conversion System, 700 lb.

Position:

Front

Spring Rate:

700 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/pair

$875.13

$104 Off

QA1 GD507-09550D Pro Coil System, Double Adjustable, Pigtail Lrg

QA1 |

#721GD50709550D

QA1 GD507-09550D Pro Coil System, Double Adjustable, Pigtail Lrg

Position:

Front

Spring Rate:

550 lbs.

Shock Adjustability:

Double Adjustable

$964.95

/kit

$1,069.01

$102 Off

QA1 MD303-08375 Mustang II Coil-Over Conversion System, 375 lb.

QA1 |

#721MD30308375

QA1 MD303-08375 Mustang II Coil-Over Conversion System, 375 lb.

(1)

Position:

Front

Spring Rate:

375 lbs.

Shock Adjustability:

Double Adjustable

$949.95

/pair

$1,052.40

-9%

QA1 GS507-10600C Front Pro Coil Shock Kit, 9.63/14.5 Comp/Ext, 600 Rate

QA1 |

#721GS50710600C

QA1 GS507-10600C Front Pro Coil Shock Kit, 9.63/14.5 Comp/Ext, 600 Rate

Position:

Front

Spring Rate:

600 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/kit

$875.14

-9%

QA1 12HT095 High Travel Coil-Over Spring, 12 Inch, 95lb Rate

QA1 |

#72112HT095

QA1 12HT095 High Travel Coil-Over Spring, 12 Inch, 95lb Rate

Spring Rate:

95 lbs.

Free Height:

12"

Inside Diameter:

2.5"

$79.95

/each

$88.57

$114 Off

QA1 DD501-12130V Pro-Rear Coil System, Double Adjustable, 130/250

QA1 |

#721DD50112130V

QA1 DD501-12130V Pro-Rear Coil System, Double Adjustable, 130/250

Position:

Rear

Spring Rate:

130 lbs.

Shock Adjustability:

Double Adjustable

$1,060.95

/kit

$1,175.36

-9%

QA1 10HTBF750 Front Pro Coil Shock System Spring, 750 lbs

QA1 |

#72110HTBF750

QA1 10HTBF750 Front Pro Coil Shock System Spring, 750 lbs

Position:

Front

Spring Rate:

750 lbs.

Free Height:

10"

$104.95

/each

$116.27

-9%

QA1 GS401-11250C Pro Coil-Over System, GM A/G/X Bodies

QA1 |

#721GS40111250C

QA1 GS401-11250C Pro Coil-Over System, GM A/G/X Bodies

Position:

Front

Spring Rate:

250 lbs.

Shock Adjustability:

Single Adjustable

$789.95

/kit

$875.14

-9%

QA1 DD403 Proma Star Coil-Over Shock, 15.000/11.125 Ext/Comp

QA1 |

#721DD403

QA1 DD403 Proma Star Coil-Over Shock, 15.000/11.125 Ext/Comp

Position:

Rear

Mounted Length:

12.75"

Shock Adjustability:

Double Adjustable

$334.95

/each

$371.08

-9%

QA1 DD702 Proma Star Coil-Over Shock, 19.500/13.000 Ext/Comp

QA1 |

#721DD702

QA1 DD702 Proma Star Coil-Over Shock, 19.500/13.000 Ext/Comp

Position:

Rear

Mounted Length:

16.5"

Shock Adjustability:

Double Adjustable

$334.95

/each

$371.08

-9%

QA1 GD501 Pro Coil Shocks and Strut, 15/10.5 Ext/Comp, 1955-81 GM

QA1 |

#721GD501

QA1 GD501 Pro Coil Shocks and Strut, 15/10.5 Ext/Comp, 1955-81 GM

Position:

Front

Shock Adjustability:

Double Adjustable

Shock Type:

Twin Tube

$379.95

/each

$420.92

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QA1 Coil Springs and Accessories

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Products

QA1 HD06-12170 Proma Star Coilover Strut Kit, 82-92 GM F-body

QA1 HD01-12300 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 RCK52365 Rear Pro Coil Kit 71-76, GM B-Body, DA Shocks, 300

QA1 HD01-14150 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 10HT175 High Travel Coil-Over Spring, 10 Inch, 175lb Rate

QA1 HS01-12200 Proma Star Coilover Strut Kit, 79-89 Mustang

QA1 GD501-10500A Pro Coil-Over System, GM A-Body/Tri-5

QA1 GD501-10550C GM Pro Coil, Double Adj, 550 Tapered Flat, Large

QA1 7HT350 High Travel Coil-Over Spring, 7 Inch, 350lb Rate

QA1 RCK52401 Rear Pro Coil Shock System,1979-2004 Ford Mustang

QA1 DS501-2501 HD Pro Rear Weld-In Coilover Kit, Single Adj Shock

QA1 GD517-10650C Dbl Adj Pro-Coilover Kit, 99-06 GM Truck, 650 lb

QA1 GD501-10600A GM Pro Coil System, Double Adj, Tapered Pigtail

QA1 MD402-10400C Front Pro Coil-Over System, 1967-73 Mustang, 400

QA1 GS401-10650B GM Pro Coil System, Single Adj, Tapered Flat

QA1 GD507-10450C GM Pro Coil System, Double Adj, Tapered Flat Lrg

QA1 GS501-10350A Front Pro Coil Shock Kit, 10.13/17 Comp/Ext, 350 Rate

QA1 GS401-10550A Pro Coil-Over System, Camaro, Firebird

QA1 MG501-10600C Mod Series GM Front Pro Coil System, 600 lb.

QA1 10HT225 High Travel Coil-Over Spring, 10 Inch, 225lb Rate

QA1 14HT225 High Travel Coil-Over Spring, 14 Inch, 225lb Rate

QA1 RCK52361 Rear Pro Coil Kit 71-76, GM B-Body, SA Shocks, 250

QA1 MS401-10350C Front Pro Coil-Over System, 1964-66 Mustang, 350

QA1 MS302-08375 Mustang II Coil-Over Conversion System, 375 lb.

QA1 MS301-08600 Mustang II Coil-Over Conversion System, 600 lb.

QA1 MS302-08700 Mustang II Coil-Over Conversion System, 700 lb.

QA1 GD507-09550D Pro Coil System, Double Adjustable, Pigtail Lrg

QA1 MD303-08375 Mustang II Coil-Over Conversion System, 375 lb.

QA1 GS507-10600C Front Pro Coil Shock Kit, 9.63/14.5 Comp/Ext, 600 Rate

QA1 12HT095 High Travel Coil-Over Spring, 12 Inch, 95lb Rate

QA1 DD501-12130V Pro-Rear Coil System, Double Adjustable, 130/250

QA1 10HTBF750 Front Pro Coil Shock System Spring, 750 lbs

QA1 GS401-11250C Pro Coil-Over System, GM A/G/X Bodies

QA1 DD403 Proma Star Coil-Over Shock, 15.000/11.125 Ext/Comp

QA1 DD702 Proma Star Coil-Over Shock, 19.500/13.000 Ext/Comp

QA1 GD501 Pro Coil Shocks and Strut, 15/10.5 Ext/Comp, 1955-81 GM

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