Autocado provides one of the best car engine intake manifold adjusting units available. It is designed for optimum performance and helps reduce emissions. The adjustable unit has superior build quality and a range of settings, so drivers can find just the right setting for their needs. Our car & truck engine intake manifold adjusting units come with a lifetime warranty and fast shipping options. With Autocado’s parts you can rest easy knowing your ride will be running at peak efficiency. Whether it's finding the right car part, truck part or engine part, we've got you covered with our selection of intake manifold adjusting units!