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- QA1 GM Pro Coil Single Adjustable Coil-Over Conversion Systems
Coil-Over Conversion Systems that Optimize Performance!
QA1 Single Adjustable Pro Coil Systems are great options for anyone looking for fully adjustable ride height and valving control while maintaining stock configuration control arms. Choose a spring rate that fits your driving style and adjusts the valving to match, and you're on your way. This system is a great option for anyone looking for a suspension upgrade for their streetcar or truck. With 18 valving options of simultaneous compression and rebound adjustment, the QA1 Single Adjustable Pro Coil System allows for that soft comfortable ride you want when cruising and the firm handling you'd expect from a more modern sports car.
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Spring Style ''A''1955-1957 Chevy Car 1964-1967 Chevelle / Malibu / El Camino 1964-1967 Skylark (including GS) 1964-1967 Cutlass / 442 / F85 1964-1967 GTO / Cutlass / LeMans
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 11'' Spring Free Length 1500-1600 lbs. Front End Weight 250 lbs/in. Spring Rate
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$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 11'' Spring Free Length 1601-1700 lbs. Front End Weight 300 lbs/in. Spring Rate
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$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1701-1800 lbs. Front End Weight 350 lbs/in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1801-1900 lbs. Front End Weight 400 lbs/in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1901-2000 lbs. Front End Weight 450 lbs/in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 2001-2100 lbs. Front End Weight 500 lbs/in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 2101-2300 lbs. Front End Weight 550 lbs/in. Spring Rate
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$749.95
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Spring Style ''A''1967-1969 Camaro / Firebird 1968-1974 Nova / Chevy II 1973-1974 Omega
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 11'' Spring Free Length 1500-1600 lbs. Front End Weight 250 lbs/in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 11'' Spring Free Length 1601-1700 lbs. Front End Weight 300 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1701-1800 lbs. Front End Weight 350 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1801-1900 lbs. Front End Weight 400 lbs/in. Spring Rate
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View Price In Cart
$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1901-2000 lbs. Front End Weight 450 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Ships Today
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 2001-2100 lbs. Front End Weight 500 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
FREE Shipping
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 2101-2300 lbs. Front End Weight 550 lbs/in. Spring Rate
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$749.95
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Spring Style ''B''1968-1972 Chevelle / Malibu / El Camino 1970-1972 Monte Carlo 1968-1972 Skylark (including GS) 1968-1972 Cutlass / 442 / F85 1968-1972 GTO / Tempest / LeMans
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 11'' Spring Free Length 1601-1700 lbs. Front End Weight 300 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1701-1800 lbs. Front End Weight 350 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1801-1900 lbs. Front End Weight 400 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer in 24hrs
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 1901-2000 lbs. Front End Weight 450 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 2001-2100 lbs. Front End Weight 500 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer in 24hrs
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 9'' Compressed / 12.8'' Extended Shock Height 10'' Spring Free Length 2101-2300 lbs. Front End Weight 550 lbs/in. Spring Rate
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View Price In Cart
$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.130 in. Compressed / 14 in. Extended Shock Height 11' in. Spring Free Length 2,201-2,300 lbs. Front End Weight 600 lbs./in. Spring Rate
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$749.95
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.130 in. Compressed / 14 in. Extended Shock Height 11' in. Spring Free Length 2,201-2,300 lbs. Front End Weight 650 lbs./in. Spring Rate
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$749.95
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Spring Style ''C''1970-1981 Camaro / Firebird
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 11'' Spring Free Length 1500-1600 lbs. Front End Weight 250 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
FREE Shipping
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Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 11'' Spring Free Length 1601-1700 lbs. Front End Weight 300 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1701-1800 lbs. Front End Weight 350 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Ships Today
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1801-1900 lbs. Front End Weight 400 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Ships Today
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 1901-2000 lbs. Front End Weight 450 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Ships Today
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 2001-2100 lbs. Front End Weight 500 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Estimated to ship direct from manufacturer on 07/30/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.5'' Compressed / 15'' Extended Shock Height 10'' Spring Free Length 2101-2300 lbs. Front End Weight 550 lbs/in. Spring Rate
View Details
View Price In Cart
$749.95
Ships Today
FREE Shipping
Lowest Price Guarantee
Pro Coil Front Coil-Over SystemSingle Adjustable Shock 10.500 in. Compressed / 15 in. Extended Shock Height 10 in. Spring Free Length 2201-2300 lbs. Front End Weight 600 lbs./in. Spring Rate
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$749.95
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee