Intake Manifold Boots For Volkswagen 411 1971-1972, Fastback 1971-1973; RP 300-BDesigned for 1971 1974 Volkswagen cars and vans, these intake manifold boots are made of durable rubber and measure 1 3 8" I. D., 2" O. D., and 1 1 2" high. Crafted with over 50 tons of pressure, they ensure precise detailing and a snug fit, making them a reliable replacement for your vehicle's intake system. These boots are essential for maintaining proper airflow and sealing in your engine, contributing to smoother performance and efficiency. They