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United Kingdom
1 Level
647 Review
26 Karma

Review on INNOVA 3619 Compression Tester Extension by Glenn Rodgers

Revainrating 4 out of 5

It screws easily straight into 14mm spark plug holes

I bought this to use on my Jeep V6 engine with recessed spark plug holes. It easily screws into 14mm plug holes and the compression tester easily connects to the top end which is also 14mm threaded. It has neoprene O-rings for fit and seal. I've seen reviews where people say they had a leak but that must be because they overtightened the extension which caused the o-ring to either break or expand and rise higher than he should have. This tool should be pressed lightly by hand by turning it about 1/4 turn after it just starts to resist and it will work just fine. Good tool, reasonable price, fast delivery.

Pros
  • Price
Cons
  • I don't really like it, everything is fine