Coilover Kits - 450 lbs./in. Spring Rate (lbs./in.) - No Gas Charged - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

QA1 Pro Coilover Systems GD401-10450B

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD401-10450B

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Summit Racing™ Coilover Shock and Spring Pro Packs 15-0054

Combo, QA1, Coil Springs, 10 in. Long, 450 lbs./in. Rate, Shocks, Strange, Adjustable, Kit

Part Number: CMB-15-0054

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GD401-10450A

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD401-10450A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GS401-10450C

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS401-10450C

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GS401-10450A

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS401-10450A

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 1970-1981 CAMARO, FIREBIRD - GS501-10450C

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Chevy, Pontiac, Pair

Part Number: QA1-GS501-10450C

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 1963-1982 CORVETTE - GS507-09450D

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Chevy, Pair

Part Number: QA1-GS507-09450D

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 1970-1981 CAMARO, FIREBIRD - GD501-10450C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Chevy, Pontiac, Pair

Part Number: QA1-GD501-10450C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GS501-10450A

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS501-10450A

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Proma Star Double Adjustable Coilover Systems for 1997-2013 CORVETTE - RCK52470

Coilover Kits, Proma Star Double Adjustable Coilover Systems, Rear, Twin-tube Shocks, 450 lbs./in. Spring Rate, Chevrolet, Pair

Part Number: QA1-RCK52470

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GS507-10450C

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS507-10450C

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GS401-10450B

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS401-10450B

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GD501-10450A

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD501-10450A

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GD507-09450D

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Chevy, Pair

Part Number: QA1-GD507-09450D

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 1964-1973 MUSTANG - MS402-10450C

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Ford, Pair

Part Number: QA1-MS402-10450C

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Proma Star Double Adjustable Coilover Systems for 1997-2013 CORVETTE - GD455-08450

Coilover Kits, Proma Star Double Adjustable Coilover, Front, Twin-tube Shocks, 450 lbs./in. Rate Springs, 1.0-2.0 in. Lowered Front, Chevrolet, Pair

Part Number: QA1-GD455-08450

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 1964-1973 MUSTANG - MD402-10450C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Ford, Pair

Part Number: QA1-MD402-10450C

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

QA1 Pro Coilover Systems for 2003-2011 CROWN VICTORIA - MD431-09450

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Ford, Pair

Part Number: QA1-MD431-09450

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

QA1 Pro Coilover Systems GD401-10450C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD401-10450C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems GD507-10450C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD507-10450C

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

QA1 Pro Coilover Systems for 2003-2011 CROWN VICTORIA - MS431-09450

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Ford, Pair

Part Number: QA1-MS431-09450

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

QA1 Pro Coilover Systems for 2003-2011 CROWN VICTORIA - MS431-09550

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026

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Aldan American Road Comp Coilover Kits for 1961-1962 THUNDERBIRD - 300195

Aldan American Road Comp Coilover Kits for 1961-1962 THUNDERBIRD - 300195

Coil-Overs, Ford T-Bird, Front, Single Adjustable, 550 lb., Kit

Part Number: AAX-300195

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Aldan American Road Comp Coilover Kits for 1964-1966 THUNDERBIRD - 300197

Coil-Overs, Ford T-Bird, Front, Single Adjustable, 550 lb., Kit

Part Number: AAX-300197

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Aldan American Road Comp Coilover Kits for 1964-1966 THUNDERBIRD - 300196

Coil-Overs, Ford T-Bird, Front, Single Adjustable, 450 lb., Kit

Part Number: AAX-300196

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Summit Racing™ Coilover Shock and Spring Pro Packs 15-0051

Combo, QA1, Coil Springs, 7 in. Long, 450 lbs./in. Rate, Shocks, Strange, Adjustable, Kit

Part Number: CMB-15-0051

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air