The Tusk Compression Tester is designed for use on motorcycle, ATV, and UTV engines with 10mm, 12mm, 14mm and 18mm spark plug threads.

• Quality gauge designed to check cylinder compression.
• Contains connections for 10 x 1.25, 12 x 1.25, 14 x 1.25, and 18 x 1.5mm spark plug thread applications.
• Features a quick disconnect coupling
• Air gauge measures up to 300 psi and features a pressure release valve.
• Packed in a molded plastic case and complete with instructions.