The Compression Gauge Extension brings a spark plug hole above the valve cover on engines with a deep spark plug socket or coil over design.
No more difficulty removing threaded hoses from deep holes
Easy to install and remove
Adapters available for various applications
Made in the USA; Lifetime Warranty
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov