This tool makes compression testing easy. Wrench free way to test that allows for exhaust system and baffling clearance. Tester is manufactured with quality-welded construction and offers a spark plug thread with O-Ring seal. It has a standard air fitting.

Features

• Wrench-free compression test extender
• Allows for exhaust system and baffling clearance
• Quality welded construction, O-Ring seal
• Makes compression testing easy
• 18 mm thread size