Black Diamond 12 GRV Front Brake Disc for Vauxhall / Opel Astra Mk1 1.6 81>10/84. Check Out Our Feedback. Black Diamond 12 Groove Front Solid Brake Discs To suit the following model(s): Vauxhall / Opel Astra Mk1 1.6 (81 > 10/84) Black Diamond Part Number = KBD004G12 Suits Models with Engine Size of 1598cc Disc Diameter = 236mm Disc Thickness = 12.7mm Minimum Thickness = 11.5mm Disc Height = 41mm Centre Bore = 60mm 4+3 Bolt / Fixing Holes These award winning Black Diamond Brake Discs are made to the highest standards using computer aided design technology and computerised production. Black Diamond’s unique compound and extra heat treatment provide you with awesome braking performance, and all Black Diamond discs are Phosphate Coated to give their unique appearance. The Black Diamond G12 Range of discs is specifically designed with 12 Curved Grooves for a more instant braking response and greater friction. Please Note: The image shown is simply a stock image for representative purposes only – not your exact discs. Since then we have grown to become one of the largest Performance and Styling Centres in the UK, with a huge and ever increasing website, and exporting to every corner of the globe. However, our commitment to service and value has never changed. We have enjoyed such prolonged success because we deliver excellent customer service – day in, day out. Our staff are the most knowledgeable and experienced in the UK. Quotes will therefore always be for an insured courier, or tracked post, depending on the weight and value of the item. For items that are being sent within the UK via 2nd class post, please allow 3-5 days from the date of dispatch before contacting us. We will have entered an approximate dispatch time on each listing. You have 14 days from the date of receipt in which to return your item. Experienced & Helpful Staff. Designed by Jarilo Design.