TU-3 Engine Cylinder Compression Tester is ideal for gasoline engines, helping to check valve and ring conditions. It also detects excessive carbon buildup and late timing. The kit includes 2 adapters to test more vehicles. The 2-1/2" diameter gauge features a dual-color scale with readings from 0-300 PSI and 0-21 BAR.

• Automotive engine compression tester tuner kit

• Ideal for gasoline engines

• Checks valve and rings

• Detects excessive carbon and late timing

• Includes 2 adapters to test more vehicle

• 2-1/2" diameter gauge with dual-color scale

• (0-300 PSI & 0-21 BAR)