The Graco 17P174 Cleanshot Front Valve Kit helps control material flow through the spray gun for consistent application and reliable operation. This replacement valve kit works within the spray system to regulate the passage of coating material when the gun is triggered. Proper valve function supports controlled spraying and helps maintain consistent material delivery. Replacing worn ... https://www.wholetoolbox.com/graco-17p174-cleanshot-front-valve-kit/17P174.html