Features and Benefits:

• Works with the Astro Pneumatic 78585 Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit
• Necessary for testing the cooling system on both late model GM and Ford Vehicles
• Built for long lasting use
• 2.5 x 2.5 x 3.8 inches

The Astro Pneumatic 7858541 No. 41 Radiator Test Cap for Late GM and Ford works with the Astro Pneumatic 78585 Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit. This cap is necessary for testing the cooling system on both late model GM and Ford vehicles.