Features and Benefits:

• Works deep-hole pings and hemi engines
• Extends spark plug hole 7.5 inches
• Attach compression gauges easily
• 14mm thread diameter
• Steel 1144 alloy

This extension is 8" in length and brings a spark plug hole above the valve cover on deep plug hole and HEMIspherical engines for easy compression gauge attachment. The O-Ring seal allows complete compression transfer. Comes with a Lifetime Warranty.

Lifetime warranty does not cover abuse

WARNING: This product can expose you to chemicals, including Lead and lead compounds, known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, vist – www.P65Warnings.ca.gov