The Differential Cylinder Pressure Testers quickly locate worn and cracked rings, defective intake and exhaust valves, scored and cracked cylinders, leaky head gaskets, and worn and stripped spark plug bushings; virtually every potential cause of pressure loss. 

Model E2M-1000 Tester, for cylinders with a 5.00 inch bore and over a .060 inch diameter orifice, that eliminates all guess-work by enabling you to determine the exact location and cause of your engine's efficiency loss. 

Our Model E2M-1000 includes: 

• New Slow Fill Valve™
  
• Safely find TDC 
  
• Safely bleed cylinder test pressure to 
  zero for testing multiple cylinders 
  
• No repeated pressure adjustments

New Master Orifice Valve™ Built in Master Orifice, for fast and easy Master Orifice Test

Features

• Heavy Duty Regulator
• Heavy Duty Gauges
• All Connections Quick-Disconnect
• 18 mm Plug Adapter
• Extra Long High Pressure Hose
• Complete instructions with each unit
• (10/14 mm Adapter Available)