Longacre Engine Compression Tester Gauge 52-73025

Engine compression testing is fundamental diagnostics work—whether you're diagnosing a no-start condition, verifying cylinder health before a rebuild, or validating tuning work. The Longacre 52-73025 delivers reliable, repeatable compression readings that won't mislead you in the shop. Its mechanical design means no batteries, no electronics to fail, and straightforward operation every time you need it.

Built for professional technicians and serious enthusiasts, this gauge gives you the data you need to make informed decisions about engine condition and performance potential.

• 0–300 psi range
• Mechanical, analog design
• 2.5-inch diameter face
• White face, black pointer
• 14 mm plug adapter included
• No batteries required
• Sold individually