General description Coilovers Suspension Kit designed specifically for Vauxhall Astra G (1998-2004) and Zafira A (1999-2006). This kit allows for adjustable lowering heights, enhancing the vehicle's stance and performance. Please note that no top mounts are included, and modification is required if using OE top mount. Technical specifications Application: Vauxhall Astra G MK4 1998–2004 (1.2 / 1.4 / 1.6 / 1.8 / 2.0 / 2.2 / 1.7TD / 1.7DTi / 2.0Di / 2.0DTi / 2.2DTi / 1.4 LPG), Holden Astra Classic (1998-2006), Opel Astra G (1998–2004), Opel Zafira A (1999–2006) Front Lowering: 30-75mm (depends on your vehicle) Rear Lowering: 25-65mm (depends on your vehicle) Spring Rate: Front: 5 kg/mm (280 lbs/in), Rear: 3 kg/mm (168 lbs/in) Shock Type: Twin tube Quantity: 2x front and 2x rear coilovers, height adjustment wrench, and two spring seats Installation Professional installation and alignment are suggested for optimal performance. Usage This suspension kit is designed to improve handling and