Shop-Ready Four Piece Compression Tester Adapter Kit With 10mm-1.0, 12mm-1.25, 16mm-1.5 And 18mm-1.5 Threads For Gas Engine Spark Plug Adapters, Automotive Engine Compression Test Tools, Wide Compatibility For Various Motors

Four-Piece Spark Plug Adapter Kit for Engine Tests
✔️ Brass spark plug adapters: 10x1.0, 12x1.25, 16x1.5, 18x1.5

This four-piece compression tester adapter kit provides ready-to-use spark plug adapters for engine compression checks, widely used in automotive repair shops, home garages, and DIY projects for gas engines.

✅ Four sizes cover most gas engines with 10mm x 1.0, 12mm x 1.25, 16mm x 1.5, 18mm x 1.5
✅ Brass construction for durable use and corrosion resistance
✅ Precision threaded design with rubber seal for tight, leak-free fit
✅ Compatible with compression testers featuring 14mm × 1.25 thread (including W80579)

💡 What is a spark plug compression tester adapter kit used for in engine diagnostics?

This handy kit makes it easy to connect compression testers to a range of engines and get accurate readings.

- It covers common spark plug thread sizes for wide engine compatibility.
- Brass adapters resist wear and help protect tester threads.
- Rubber sealing rings improve sealing for repeatable, dependable results.