Application: Our Diesel Compression Adapter Tool is for use on International VT365 engines , for Ford Power Stroke 6.0L engines & for Naverstar VT36. Function: Designed to help to get your job done right. Premium Quality: This Diesel Compression Adapter is Manufactured utilizing the highest quality rubber & steel,built to provide exceptional levels of durability. Easy to use: M14-1.25 thread adapter attached to a hose with quick disconnect screws into the head of the engine in the glow plug hole. Satisfaction Guarantee: .