DCT500v4 Ultimate Rotary Engine Compression Tester V4

Professional digital compression tester designed specifically for Mazda Rotary Engines.

This is the DCT500 V4 Ultimate model – a reliable and accurate tool built exclusively for testing 

compression on rotary engines. Not suitable for piston engines.

Key Features:

• Specifically engineered for Mazda Rotary engines

• Compatible with: 10A, 12A, 13B, 20B, and 26B engines

  Suitable for: rx8 (all models), r100, rx2, rx3, rx4, rx5, rx7 (all models)

• Includes high-quality lead and compression sensor

• Digital display with RPM and altitude compensation for accurate readings, also

  allows you to select model of rotary engine for deadspace compensation

  no other tester on the planet compensates for a 3 criteria.

• Easy-to-read  with clear results in PSI and BAR

• Robust construction suitable for workshop and track-side use

• Printer Compatible (not included)

Important Notes:

• Requires 1 x 9V battery (not included)

• Designed for rotary engines only – not compatible with piston engines

Package Includes:

• DCT500 V4 Ultimate Compression Tester

• Lead and compression sensor

• User instructions

This tester is an essential diagnostic tool for rotary engine builders, tuners, mechanics, and enthusiasts. Proper compression testing is critical for assessing engine health, apex seal condition, and overall performance.

Watch the demonstration video here: 

https://youtu.be/npY5PBzbJCg

Condition: Brand New

Shipping: Fast dispatch from Sydney, Australia.

Payment: Secure eBay checkout.