Features and Benefits:

• Better control when adding coolant preventing overflow onto belts and other engine components
• Includes threaded cap adapters for newer GM and Ford threaded style radiator openings
• Contents: 5-inch straight extension, two 2 1/4-inch 45 degree elbows, 5 cap adapters, 4 caps, stopper, funnel, and lid
• Use the 45 degree elbows to access caps under shrouds or at an angle


Easily used to properly refill automotive cooling systems without the chance of spilling. Eliminates trapped air pockets which causes erratic cooling system and heater performance