Compact Design: Boasts a slim and compact design, measuring only 7" in diameter, ideal for under-the-hood or under-floor installation in most vehicles., Durable Construction: Heavy-duty steel booster with a zinc-plated finish offers excellent corrosion resistance, ensuring longevity and consistent performance., Versatile Master Cylinder: Comes with a 1" bore and features four 3/8"-24 inverted flare ports (with two included plugs for unused ports), allowing for custom brake line setups., Easy Installation: Equipped with a universal 4 bolt pattern, spaced 3-3/8" on center, simplifying the mounting process for a wide range of vehicles., Specifications: Compatible with standard DOT 3 or DOT 4 brake fluids. Overall length when mounted is 11.75".