GM Chevrolet LS Fabricated Intake Manifold Throttle Body LS3 L92GM Chevrolet LS LS3 L92 Fabricated Intake Manifold Throttle Body Fuel Rail 102MM We designed our fabricated aluminum sheet metal intake manifold to improve the look and performance of your LS engine. It features a 102mm throttle body opening for maximum airflow. The runners are velocity stacked, allowing air to move more smoothly at high velocities. The manifold is constructed of 3. 5mm thick T 6061 aluminum and is TIG welded to ensure consistent