General description The Coilovers Suspension Kit is designed specifically for the Vauxhall Astra H MK5 (2004-2010) and Opel models, providing enhanced performance and adjustability for your vehicle. This kit includes two front and two rear coilovers, allowing for a customizable ride height to suit your driving preferences. Technical specifications Adjustable Height: Front Lowering 30-75mm Adjustable Height: Rear Lowering 25-65mm Spring rate: Front 3.5kg/mm Spring rate: Rear 3kg/mm Shock type: Twin tube Damping: Not available Warranty: 2 years for any manufacturing defect Compatibility and accessories Compatible with Vauxhall Astra H MK5 2004-2010 (1.2, 1.3CDTi, 1.4, 1.6, 1.6 Turbo, 1.7CDTi, 1.8, 1.9CDTi, 2.0 Turbo) Compatible with Opel Astra H Mk5 Hatchback / Estate 2004-2010 Compatible with Opel Zafira B 2005-2014 Note: Excludes models with IDS (Interactive Driving System) Height adjustment tools included Installation Professional installation and alignment are suggested for optimal