{"product_id":"ast-5100-street-coilovers-for-audi-a4-s4-b8","title":"AST 5100 Street Coilovers for Audi A4 \u0026 S4 B8","description":"\u003cp\u003eThe 5100 Street kit for the B8 A4, front-drive and quattro, and the B8 S4, 2007 to 2016. Its inverted monotube dampers adjust for ride height and rebound damping, and the kit keeps the original top mounts, with a separate spring and damper at the rear as the car was built.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5100 Street: inverted monotube dampers\u003c\/li\u003e\n\u003cli\u003eA4 and S4, B8, 2007 to 2016\u003c\/li\u003e\n\u003cli\u003eRide height and a 12-position rebound adjuster\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose your series\u003c\/h3\u003e\n\u003cp\u003eEvery AST damper is a monotube: nothing inside can aerate or foam, which AST say keeps the valving responsive.\u003c\/p\u003e\n\u003ch4\u003e5100 Street, inverted (AST ACU)\u003c\/h4\u003e\u003cp\u003eThe 5100 Street kit with inverted monotube dampers, adjustable for rebound damping and ride height. The front dampers are coilovers; at the rear the spring and damper stay separate, as the car was built. Springs come in the kit, which works with the car's original top mounts. AST fix the rear spring rate for each car. The rebound adjuster has 12 positions, and the dampers can be rebuilt.\u003c\/p\u003e\n\u003cp\u003eAST part number: ACU-A2106S\u003c\/p\u003e\n\u003cp\u003eThe photos are AST's own sample shots of each series, not of the kit for your car, which is made for its suspension and differs in detail.\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e5100 Street, inverted (AST ACU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAST part numbers\u003c\/th\u003e\n\u003ctd\u003eACU-A2106S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"fitment-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eB8 FWD, quattro\u003c\/td\u003e\n\u003ctd\u003e2007-2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eS4\u003c\/td\u003e\n\u003ctd\u003eB8\u003c\/td\u003e\n\u003ctd\u003e2007-2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"AST Suspension","offers":[{"title":"Default Title","offer_id":57521589780860,"sku":"ACU-A2106S","price":2808.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/ast-suspension-ast-audi-a4-b8-ast-5100-street-coilovers-for-audi-a4-s4-b8-1.jpg?v=1790787586","url":"https:\/\/fdracing.co.uk\/products\/ast-5100-street-coilovers-for-audi-a4-s4-b8","provider":"FD Racing","version":"1.0","type":"link"}