Black Diamond 6 GRV Frt Vented Discs for Vauxhall / Opel Astra Mk3 F 1.7D 91>94. Check Out Our Feedback. Black Diamond 6 Groove Front Vented Brake Discs To suit the following model(s): Vauxhall / Opel Astra Mk3 (F) 1.7 Diesel (Vented Discs) (91 > 94) Black Diamond Part Number = KBD093G6 Suits Models with Engine Size of 1699/1700cc Disc Diameter = 236mm Disc Thickness = 20mm Minimum Thickness = 19mm 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 G6 Range of Discs is specifically designed with 6 Curved Grooves giving you a fantastic braking response and greater friction, but at a lower price than the 12 Grooved version. 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.