This Febi Bilstein screw is designed for noise insulation and is an OE equivalent, ensuring a correct fit for your vehicle. Always verify compatibility before purchase. We are dedicated to customer satisfaction, with over 10 years of online experience in the automotive business. Our experts provide free advice on oils and other stocked items. All stock is genuine UK stock and shipped from the UK. We offer a no-leak guarantee, replacing any damaged items without hassle. Free UK Mainland Shipping is included on all listings, with express shipping options available. We have a 60-day returns policy for quick and efficient returns. This product is a single unit. Please ensure products are installed by a competent individual; fitting instructions are usually not supplied.