{"product_id":"qa1-qapgd401-10550b-gm-pro-front-coil-over-system-double-adjustable-10-in-spring-550-lb-in-flat-aluminum","title":"QA1 qapGD401-10550B GM Pro Front Coil-Over System - Double Adjustable - 10 in Spring, 550 lb\/in, Flat, Aluminum","description":"Front Pro Coil double adjustable stock mount shock kit. Compressed length of 10.13\" and extended length of 14\". Includes 10\" spring with rating of 550 and has a tapered flat end.\nThese QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. Adjustable Pro Coil System Features: Available in independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag \"R\" Series adjustable, Lightweight Billet Aluminum Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs, Non-Adjustable Pro Coil System Features: Steel, Stock Appearing Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs\n\u003cul\u003e\n  \u003cli\u003eAchieve the ultimate balance of ride quality and performance handling with independent tuning of rebound and compression valving.\u003c\/li\u003e\n  \u003cli\u003eEasy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.\u003c\/li\u003e\n  \u003cli\u003eUp to 2 of ride height adjustment allows you to dial in the perfect stance.\u003c\/li\u003e\n  \u003cli\u003eLimited Lifetime Warranty for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe QA1 GM Pro Front Coil-Over System is a double-adjustable stock-mount shock kit designed to provide independent control of compression and rebound valving. Its fully threaded shock body allows ride-height adjustment for stance tuning and weight-balance adjustments, while the high-travel spring design supports responsive suspension performance.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent double adjustment:\u003c\/strong\u003e Tune compression and rebound valving separately to balance ride quality and handling performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRide-height adjustment:\u003c\/strong\u003e The fully threaded body allows adjustment of the vehicle’s ride height for stance and handling tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-travel spring design:\u003c\/strong\u003e The lightweight spring uses fewer coils and a smaller wire diameter to increase travel, reduce unsprung weight and improve response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock-mount installation:\u003c\/strong\u003e The system is designed for easy bolt-in installation with factory or upgraded QA1 tubular control arms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e QA1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e qapGD401-10550B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e GM Pro front coil-over system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustment type:\u003c\/strong\u003e Double adjustable with independent compression and rebound control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock type:\u003c\/strong\u003e Stock-mount coil-over shock kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressed length:\u003c\/strong\u003e 10.13 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended length:\u003c\/strong\u003e 14 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring:\u003c\/strong\u003e 10 in, 550 lb\/in, tapered flat end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included in the Box\u003c\/h3\u003e\u003cp\u003eThe kit includes the front Pro Coil double-adjustable stock-mount shock system with 10 in, 550 lb\/in tapered flat-end springs. The system is sold in pairs.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 1969-1972 Pontiac LeMans applications.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1968 Buick Skylark Base\u003cbr\u003e\n1968 Buick Skylark Custom\u003cbr\u003e\n1968 Buick Special Base\u003cbr\u003e\n1968 Chevrolet Chevelle 300\u003cbr\u003e\n1968 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1968 Chevrolet Chevelle Base\u003cbr\u003e\n1968 Chevrolet Chevelle Concours\u003cbr\u003e\n1968 Chevrolet Chevelle Malibu\u003cbr\u003e\n1968 Chevrolet Chevelle Nomad\u003cbr\u003e\n1968 Chevrolet Chevelle SS\u003cbr\u003e\n1968 Chevrolet El Camino Base\u003cbr\u003e\n1968 Chevrolet El Camino Custom\u003cbr\u003e\n1968 Chevrolet El Camino SS\u003cbr\u003e\n1968 Oldsmobile 442 Base\u003cbr\u003e\n1968 Oldsmobile Cutlass Base\u003cbr\u003e\n1968 Oldsmobile Cutlass S\u003cbr\u003e\n1968 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1968 Pontiac GTO Base\u003cbr\u003e\n1968 Pontiac LeMans Base\u003cbr\u003e\n1968 Pontiac Tempest Base\u003cbr\u003e\n1968 Pontiac Tempest Custom\u003cbr\u003e\n1968 Pontiac Tempest Safari\u003cbr\u003e\n1969 Buick Skylark Base\u003cbr\u003e\n1969 Buick Skylark Custom\u003cbr\u003e\n1969 Buick Special Base\u003cbr\u003e\n1969 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1969 Chevrolet Chevelle Concours\u003cbr\u003e\n1969 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1969 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1969 Chevrolet Chevelle Malibu\u003cbr\u003e\n1969 Chevrolet Chevelle Nomad\u003cbr\u003e\n1969 Chevrolet Chevelle SS\u003cbr\u003e\n1969 Chevrolet El Camino Base\u003cbr\u003e\n1969 Chevrolet El Camino Custom\u003cbr\u003e\n1969 Chevrolet El Camino SS\u003cbr\u003e\n1969 Oldsmobile 442 Base\u003cbr\u003e\n1969 Oldsmobile Cutlass Base\u003cbr\u003e\n1969 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1969 Pontiac GTO Base\u003cbr\u003e\n1969 Pontiac LeMans Base\u003cbr\u003e\n1969 Pontiac LeMans Safari\u003cbr\u003e\n1969 Pontiac Tempest Base\u003cbr\u003e\n1969 Pontiac Tempest Custom\u003cbr\u003e\n1969 Pontiac Tempest Safari\u003cbr\u003e\n1970 Buick Skylark 350\u003cbr\u003e\n1970 Buick Skylark Base\u003cbr\u003e\n1970 Buick Skylark Custom\u003cbr\u003e\n1970 Chevrolet Chevelle Base\u003cbr\u003e\n1970 Chevrolet Chevelle Concours\u003cbr\u003e\n1970 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1970 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1970 Chevrolet Chevelle Malibu\u003cbr\u003e\n1970 Chevrolet Chevelle Nomad\u003cbr\u003e\n1970 Chevrolet Chevelle SS\u003cbr\u003e\n1970 Chevrolet Chevelle SS 454\u003cbr\u003e\n1970 Chevrolet El Camino Base\u003cbr\u003e\n1970 Chevrolet El Camino Custom\u003cbr\u003e\n1970 Chevrolet El Camino SS\u003cbr\u003e\n1970 Oldsmobile 442 Base\u003cbr\u003e\n1970 Oldsmobile Cutlass Base\u003cbr\u003e\n1970 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1970 Pontiac GTO Base\u003cbr\u003e\n1970 Pontiac GTO The Judge\u003cbr\u003e\n1970 Pontiac LeMans Base\u003cbr\u003e\n1970 Pontiac LeMans Safari\u003cbr\u003e\n1970 Pontiac LeMans Sport\u003cbr\u003e\n1970 Pontiac Tempest Base\u003cbr\u003e\n1970 Pontiac Tempest GT\u003cbr\u003e\n1971 Buick Skylark Base\u003cbr\u003e\n1971 Buick Skylark Custom\u003cbr\u003e\n1971 Chevrolet Chevelle Base\u003cbr\u003e\n1971 Chevrolet Chevelle Concours\u003cbr\u003e\n1971 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1971 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1971 Chevrolet Chevelle Heavy Chevy\u003cbr\u003e\n1971 Chevrolet Chevelle Malibu\u003cbr\u003e\n1971 Chevrolet Chevelle Nomad\u003cbr\u003e\n1971 Chevrolet Chevelle SS\u003cbr\u003e\n1971 Chevrolet El Camino Base\u003cbr\u003e\n1971 Chevrolet El Camino Custom\u003cbr\u003e\n1971 Chevrolet El Camino SS\u003cbr\u003e\n1971 GMC Sprint Base\u003cbr\u003e\n1971 Oldsmobile 442 Base\u003cbr\u003e\n1971 Oldsmobile Cutlass Base\u003cbr\u003e\n1971 Oldsmobile Cutlass S\u003cbr\u003e\n1971 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1971 Pontiac GTO Base\u003cbr\u003e\n1971 Pontiac GTO The Judge\u003cbr\u003e\n1971 Pontiac LeMans Base\u003cbr\u003e\n1971 Pontiac LeMans Sport\u003cbr\u003e\n1971 Pontiac LeMans T37\u003cbr\u003e\n1972 Buick Skylark 350\u003cbr\u003e\n1972 Buick Skylark Base\u003cbr\u003e\n1972 Buick Skylark Custom\u003cbr\u003e\n1972 Chevrolet Chevelle Base\u003cbr\u003e\n1972 Chevrolet Chevelle Concours\u003cbr\u003e\n1972 Chevrolet Chevelle Concours Estate\u003cbr\u003e\n1972 Chevrolet Chevelle Greenbrier\u003cbr\u003e\n1972 Chevrolet Chevelle Heavy Chevy\u003cbr\u003e\n1972 Chevrolet Chevelle Malibu\u003cbr\u003e\n1972 Chevrolet Chevelle Nomad\u003cbr\u003e\n1972 Chevrolet Chevelle SS\u003cbr\u003e\n1972 Chevrolet El Camino Base\u003cbr\u003e\n1972 Chevrolet El Camino Custom\u003cbr\u003e\n1972 Chevrolet El Camino SS\u003cbr\u003e\n1972 GMC Sprint Base\u003cbr\u003e\n1972 GMC Sprint Custom\u003cbr\u003e\n1972 Oldsmobile Cutlass Base\u003cbr\u003e\n1972 Oldsmobile Cutlass Cruiser\u003cbr\u003e\n1972 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