Test for air leaks with this custom pressure tester plate. For use on 1940-1965 Harley-Davidson E and F models with a 4-bolt pattern manifold. Comes with a 1/4" Industrial (I/M) fitting so you can quickly connect your air hose. Also included is a rubber (TPU) gasket to help seal the plate without damaging your OEM gasket.
 
Color may vary, depending on availability, between white, black, red and blue. If you prefer a specific color, please make note of it in the comments during checkout.
 
Please read our Safety and Installation Instructions.