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:

Remove spark plug boot Remove spark plug Insert deep well connector through spark plug well and thread into hole Connect compression gauge to deep well connector Perform compression test

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