No. OTC-5603 ~ OTC Compression Tester Deep Wall Connector

Use with OTC compression testers or other compression testers with a standard quick connect. This unique connector allows easy access to hard to reach spark plug hole on Hemi style and recessed plug well style heads.

Features and Benefits:

• Solid steel 8” length shaft
• Upper t-wing grip for ease of installation and removal
• Popular 14mm thread for both flat and tapered seat plugs
• Corrosion resistant nickel plated finish

Easy Instructions:

1. Remove spark plug boot
2. Remove spark plug
3. Insert deep well connector through spark plug well and thread into hole
4. Connect compression gauge to deep well connector
5. Perform compression test