{"product_id":"qa1-gm-pro-front-coil-over-system-double-adj-10in-x-450lbs-in-pigtail-aluminum-1","title":"QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs\/in - Pigtail - Aluminum","description":"Front Pro Coil double adjustable stock mount shock kit. Compressed length of 10.13\" and extended length of 17\". Includes 10\" spring with rating of 450 and has a tapered pigtail 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\u003cbr\u003e\nFitment:\u003cbr\u003e\n1955 Chevrolet Truck 3100\u003cbr\u003e\n1955 Chevrolet Truck 3200\u003cbr\u003e\n1955 Chevrolet Truck 3400\u003cbr\u003e\n1955 Chevrolet Truck 3500\u003cbr\u003e\n1955 Chevrolet Truck 3600\u003cbr\u003e\n1955 Chevrolet Truck 3700\u003cbr\u003e\n1955 Chevrolet Truck 3800\u003cbr\u003e\n1955 Chevrolet Truck Base\u003cbr\u003e\n1955 Chevrolet Two-Ten Series Base\u003cbr\u003e\n1955 Chevrolet Two-Ten Series Del Ray\u003cbr\u003e\n1956 Chevrolet Bel Air Base\u003cbr\u003e\n1956 Chevrolet Bel Air Beauville\u003cbr\u003e\n1956 Chevrolet Bel Air Nomad\u003cbr\u003e\n1956 Chevrolet Truck 3100\u003cbr\u003e\n1956 Chevrolet Truck 3200\u003cbr\u003e\n1956 Chevrolet Truck 3400\u003cbr\u003e\n1956 Chevrolet Truck 3500\u003cbr\u003e\n1956 Chevrolet Truck 3600\u003cbr\u003e\n1956 Chevrolet Truck 3700\u003cbr\u003e\n1956 Chevrolet Truck 3800\u003cbr\u003e\n1956 Chevrolet Truck Base\u003cbr\u003e\n1956 Chevrolet Two-Ten Series Base\u003cbr\u003e\n1956 Chevrolet Two-Ten Series Del Ray\u003cbr\u003e\n1957 Chevrolet Bel Air Base\u003cbr\u003e\n1957 Chevrolet Bel Air Nomad\u003cbr\u003e\n1957 Chevrolet Truck 3100\u003cbr\u003e\n1957 Chevrolet Truck 3200\u003cbr\u003e\n1957 Chevrolet Truck 3400\u003cbr\u003e\n1957 Chevrolet Truck 3500\u003cbr\u003e\n1957 Chevrolet Truck 3600\u003cbr\u003e\n1957 Chevrolet Truck 3700\u003cbr\u003e\n1957 Chevrolet Truck 3800\u003cbr\u003e\n1957 Chevrolet Truck Base\u003cbr\u003e\n1957 Chevrolet Two-Ten Series Base\u003cbr\u003e\n1957 Chevrolet Two-Ten Series Del Ray\u003cbr\u003e\n1964 Buick Skylark Base\u003cbr\u003e\n1964 Buick Special Base\u003cbr\u003e\n1964 Buick Special Deluxe\u003cbr\u003e\n1964 Chevrolet Chevelle Base\u003cbr\u003e\n1964 Chevrolet Chevelle SS\u003cbr\u003e\n1964 Chevrolet El Camino Base\u003cbr\u003e\n1964 Chevrolet Malibu Base\u003cbr\u003e\n1964 Oldsmobile 442 Base\u003cbr\u003e\n1964 Oldsmobile Cutlass Base\u003cbr\u003e\n1964 Oldsmobile Cutlass Holiday\u003cbr\u003e\n1964 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1964 Oldsmobile Vista Cruiser Custom\u003cbr\u003e\n1964 Pontiac GTO Base\u003cbr\u003e\n1964 Pontiac LeMans Base\u003cbr\u003e\n1964 Pontiac Tempest Base\u003cbr\u003e\n1964 Pontiac Tempest Custom\u003cbr\u003e\n1964 Pontiac Tempest Safari\u003cbr\u003e\n1965 Buick Gran Sport Base\u003cbr\u003e\n1965 Buick Skylark Base\u003cbr\u003e\n1965 Buick Special Base\u003cbr\u003e\n1965 Buick Special Deluxe\u003cbr\u003e\n1965 Chevrolet Chevelle Base\u003cbr\u003e\n1965 Chevrolet Chevelle Deluxe\u003cbr\u003e\n1965 Chevrolet Chevelle SS\u003cbr\u003e\n1965 Chevrolet El Camino Base\u003cbr\u003e\n1965 Chevrolet Malibu Base\u003cbr\u003e\n1965 Oldsmobile 442 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Cruiser Custom\u003cbr\u003e\n1966 Pontiac GTO Base\u003cbr\u003e\n1966 Pontiac LeMans Base\u003cbr\u003e\n1966 Pontiac Tempest Base\u003cbr\u003e\n1966 Pontiac Tempest Custom\u003cbr\u003e\n1966 Pontiac Tempest Safari\u003cbr\u003e\n1967 Buick Gran Sport Base\u003cbr\u003e\n1967 Buick Skylark Base\u003cbr\u003e\n1967 Buick Special Base\u003cbr\u003e\n1967 Buick Special Deluxe\u003cbr\u003e\n1967 Chevrolet Chevelle 300\u003cbr\u003e\n1967 Chevrolet Chevelle 300 Deluxe\u003cbr\u003e\n1967 Chevrolet Chevelle Concours\u003cbr\u003e\n1967 Chevrolet Chevelle SS\u003cbr\u003e\n1967 Chevrolet El Camino Base\u003cbr\u003e\n1967 Chevrolet Malibu Base\u003cbr\u003e\n1967 Oldsmobile 442 Base\u003cbr\u003e\n1967 Oldsmobile Cutlass Base\u003cbr\u003e\n1967 Oldsmobile Cutlass Holiday\u003cbr\u003e\n1967 Oldsmobile Cutlass Turnpike Cruiser\u003cbr\u003e\n1967 Oldsmobile Vista Cruiser Base\u003cbr\u003e\n1967 Oldsmobile Vista Cruiser Custom\u003cbr\u003e\n1967 Pontiac GTO Base\u003cbr\u003e\n1967 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