This kit allows the user to service valve cores without losing the systems charge.
Features a new unique design in which a locking device (patent pending) holds the shaft in place.
Double ended for easy replacement of standard and GM R-12 large bore valve cores.
Universal R-12 and R134a valve core remover and installer master kit.
This kit covers all R-12 and R134a system valve cores.
Used on R-12/R134a standard and JRA/EATON large bore R134a valve cores.