The 1590A Head Valve Assembly is an essential replacement part designed specifically for Park Tool's INF-1 and INF-2 Shop Inflators. This component is crucial for maintaining the functionality of your inflator, ensuring efficient and reliable tire inflation in a busy shop environment. It focuses on the Schrader valve head, which is part of the inflator's dual Presta and Schrader head system.This assembly helps restore your inflator's performance by replacing worn or damaged internal components, ensuring seamless operation for everyday use.## Features* Designed as a replacement insert for the Schrader valve head on INF-1 and INF-2 Shop Inflators.* Supports the inflator's true dual Presta and Schrader head that rotates for quick and easy valve access.## Specs* Includes a durable brass head.* Comes with two O-rings and a valve gasket for a secure seal.