maXpeedingrods B1 series is ideal for those who want to change the old worn-out strut but improve handling at the same time. It features height adjustable and maintains the OE ride quality to the greatest extent. Application : For VW For VW Golf MK5 A5 Typ 1K 2003-2009 For VW Golf MK6 A6 Typ 5K 2008-2013 For VW Jetta MK5 A5 Typ 1K5 2006-2011 For VW Passat B6 2006-2010 For VW EOS 1F 2007-2014 For VW CC 2009-2014 For VW Tiguan 2009-2014 For VW Beetle 2012-2014 For Audi For Audi A3 8P FWD 2003-2013 For Audi TT 8J FWD 2006-2014 for 50mm & 55mm Strut Specification: Adjustable height: Front & Rear Front lowering 30-75mm (depends on the vehicle models) Rear lowering 30-65mm (depends on the vehicle models) Spring Rate Front: 4 kg/mm (224 lbs/in) Spring Rate Rear: 3.5 kg/mm (196 lbs/in) Spring length Front: 245 mm Spring length Rear: 239 mm Shock type: Twin tube Spring Preload: 7-10 mm Top mounts: Front and rear OE top mounts required Package included 2x Front coil-overs 2x Rear coil-overs 2x