{"product_id":"qa1-gm-pro-front-coil-over-system-double-adj-10in-x-450lbs-in-pigtail-aluminum","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 American-made 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, Made in the USA, 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  \u003cli\u003eProudly made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe QA1 GM Pro Front Coil-Over System offers exceptional performance and adjustability for classic cars such as the 1965-1967 Pontiac Tempest and Buick Special. Designed with a fully threaded body, these shocks enable precise ride height adjustments to achieve the ideal stance or optimize weight distribution for superior handling. The kit includes a high-quality 10-inch spring rated at 450 pounds per inch, featuring a tapered pigtail end that ensures proper seating and performance. Crafted in the USA, these lightweight, high-travel springs reduce unsprung weight and respond quickly to road conditions, improving overall suspension response. The double adjustable configuration allows independent tuning of compression and rebound damping, giving enthusiasts full control over ride quality and handling dynamics. Whether for street performance, autocross, or drag racing, these shocks are engineered to meet demanding application needs, offering a perfect balance between comfort and performance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFully threaded shock body for easy ride height adjustment, up to 2 inches of travel customization.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes a 10-inch spring with a 450 lbs\/in rating, featuring a tapered pigtail end for optimal seat fit.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDouble adjustable valving enables independent tuning of compression and rebound damping for tailored performance.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLightweight, high travel springs with fewer coils and smaller wire diameter for increased suspension travel and faster reaction.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBolt-in installation compatible with factory or upgraded QA1 control arms, designed for quick setup.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA, tested on the dyno for quality assurance, and serviceable by authorized QA1 centers.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for various motorsport disciplines including drag racing, autocross, and street performance.\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nBuick Gran Sport Base 1965\u003cbr\u003e\nBuick Gran Sport Base 1966\u003cbr\u003e\nBuick Gran Sport Base 1967\u003cbr\u003e\nBuick Skylark Base 1964\u003cbr\u003e\nBuick Skylark Base 1965\u003cbr\u003e\nBuick Skylark Base 1966\u003cbr\u003e\nBuick Skylark Base 1967\u003cbr\u003e\nBuick Special Base 1964\u003cbr\u003e\nBuick Special Base 1965\u003cbr\u003e\nBuick Special Base 1966\u003cbr\u003e\nBuick Special Base 1967\u003cbr\u003e\nBuick Special Deluxe 1964\u003cbr\u003e\nBuick Special Deluxe 1965\u003cbr\u003e\nBuick Special Deluxe 1966\u003cbr\u003e\nBuick Special Deluxe 1967\u003cbr\u003e\nChevrolet Bel Air Base 1956\u003cbr\u003e\nChevrolet Bel Air Base 1957\u003cbr\u003e\nChevrolet Bel Air Beauville 1956\u003cbr\u003e\nChevrolet Bel Air Nomad 1956\u003cbr\u003e\nChevrolet Bel Air Nomad 1957\u003cbr\u003e\nChevrolet Chevelle 300 1967\u003cbr\u003e\nChevrolet Chevelle 300 Deluxe 1967\u003cbr\u003e\nChevrolet Chevelle Base 1964\u003cbr\u003e\nChevrolet Chevelle Base 1965\u003cbr\u003e\nChevrolet Chevelle Base 1966\u003cbr\u003e\nChevrolet Chevelle Base 1967\u003cbr\u003e\nChevrolet Chevelle Concours 1967\u003cbr\u003e\nChevrolet Chevelle Deluxe 1965\u003cbr\u003e\nChevrolet Chevelle Deluxe 1966\u003cbr\u003e\nChevrolet Chevelle Deluxe 1967\u003cbr\u003e\nChevrolet Chevelle SS 1964\u003cbr\u003e\nChevrolet Chevelle SS 1965\u003cbr\u003e\nChevrolet Chevelle SS 1966\u003cbr\u003e\nChevrolet Chevelle SS 1967\u003cbr\u003e\nChevrolet El Camino Base 1964\u003cbr\u003e\nChevrolet El Camino Base 1965\u003cbr\u003e\nChevrolet El Camino Base 1966\u003cbr\u003e\nChevrolet El Camino Base 1967\u003cbr\u003e\nChevrolet Truck 3100 1955\u003cbr\u003e\nChevrolet Truck 3100 1956\u003cbr\u003e\nChevrolet Truck 3100 1957\u003cbr\u003e\nChevrolet Truck 3200 1955\u003cbr\u003e\nChevrolet Truck 3200 1956\u003cbr\u003e\nChevrolet Truck 3200 1957\u003cbr\u003e\nChevrolet Truck 3400 1955\u003cbr\u003e\nChevrolet Truck 3400 1956\u003cbr\u003e\nChevrolet Truck 3400 1957\u003cbr\u003e\nChevrolet Truck 3500 1955\u003cbr\u003e\nChevrolet Truck 3500 1956\u003cbr\u003e\nChevrolet Truck 3500 1957\u003cbr\u003e\nChevrolet Truck 3600 1955\u003cbr\u003e\nChevrolet Truck 3600 1956\u003cbr\u003e\nChevrolet Truck 3600 1957\u003cbr\u003e\nChevrolet Truck 3700 1955\u003cbr\u003e\nChevrolet Truck 3700 1956\u003cbr\u003e\nChevrolet Truck 3700 1957\u003cbr\u003e\nChevrolet Truck 3800 1955\u003cbr\u003e\nChevrolet Truck 3800 1956\u003cbr\u003e\nChevrolet Truck 3800 1957\u003cbr\u003e\nChevrolet Truck Base 1955\u003cbr\u003e\nChevrolet Truck Base 1956\u003cbr\u003e\nChevrolet Truck Base 1957\u003cbr\u003e\nChevrolet Two-Ten Series Base 1955\u003cbr\u003e\nChevrolet Two-Ten Series Base 1956\u003cbr\u003e\nChevrolet Two-Ten Series Base 1957\u003cbr\u003e\nChevrolet Two-Ten Series Del Ray 1955\u003cbr\u003e\nChevrolet Two-Ten Series Del Ray 1956\u003cbr\u003e\nChevrolet Two-Ten Series Del Ray 1957\u003cbr\u003e\nOldsmobile 442 Base 1964\u003cbr\u003e\nOldsmobile 442 Base 1965\u003cbr\u003e\nOldsmobile 442 Base 1966\u003cbr\u003e\nOldsmobile 442 Base 1967\u003cbr\u003e\nOldsmobile Cutlass Base 1964\u003cbr\u003e\nOldsmobile Cutlass Base 1965\u003cbr\u003e\nOldsmobile Cutlass Base 1966\u003cbr\u003e\nOldsmobile Cutlass Base 1967\u003cbr\u003e\nOldsmobile Cutlass Holiday 1964\u003cbr\u003e\nOldsmobile Cutlass Holiday 1965\u003cbr\u003e\nOldsmobile Cutlass Holiday 1966\u003cbr\u003e\nOldsmobile Cutlass Holiday 1967\u003cbr\u003e\nOldsmobile Cutlass Turnpike Cruiser 1967\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1964\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1965\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1966\u003cbr\u003e\nOldsmobile Vista Cruiser Base 1967\u003cbr\u003e\nOldsmobile Vista Cruiser Custom 1964\u003cbr\u003e\nOldsmobile Vista Cruiser Custom 1965\u003cbr\u003e\nOldsmobile Vista Cruiser Custom 1966\u003cbr\u003e\nOldsmobile Vista Cruiser Custom 1967\u003cbr\u003e\nPontiac GTO Base 1964\u003cbr\u003e\nPontiac GTO Base 1965\u003cbr\u003e\nPontiac GTO Base 1966\u003cbr\u003e\nPontiac GTO Base 1967\u003cbr\u003e\nPontiac LeMans Base 1964\u003cbr\u003e\nPontiac LeMans Base 1965\u003cbr\u003e\nPontiac LeMans Base 1966\u003cbr\u003e\nPontiac LeMans Base 1967\u003cbr\u003e\nPontiac Tempest Base 1964\u003cbr\u003e\nPontiac Tempest Base 1965\u003cbr\u003e\nPontiac Tempest Base 1966\u003cbr\u003e\nPontiac Tempest Base 1967\u003cbr\u003e\nPontiac Tempest Custom 1964\u003cbr\u003e\nPontiac Tempest Custom 1965\u003cbr\u003e\nPontiac Tempest Custom 1966\u003cbr\u003e\nPontiac Tempest Custom 1967\u003cbr\u003e\nPontiac Tempest Safari 1964\u003cbr\u003e\nPontiac Tempest Safari 1965\u003cbr\u003e\nPontiac Tempest Safari 1966\u003cbr\u003e\nPontiac Tempest Safari 1967","brand":"QA1","offers":[{"title":"Default Title","offer_id":53941485895996,"sku":"qapGD501-10450A","price":1043.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/a99e61bdf3b2139e56927cef4a2013b2_2b88d899-ddc6-4554-a640-8e4c5e411215.jpg?v=1785106012","url":"https:\/\/necycleshop.com\/products\/qa1-gm-pro-front-coil-over-system-double-adj-10in-x-450lbs-in-pigtail-aluminum","provider":"NE Cycle Shop","version":"1.0","type":"link"}