Boost silicone vacuum hose bulk packs provide more of the high performance, high-quality hose that you need for your application. Boost silicone hose performs reliably under the most extreme conditions and has earned the trust of professionals worldwide. It will not collapse under high-vacuum conditions and doesn't peel, crack, or swell like other hose. These hose bulk packs offer a choice of three lengths, several hose diameters, and three colors that will make your engine bay... well, boost! Buy in bulk to have the quantity and quality you need for your job with Boost silicone vacuum hose bulk packs.