- Kit covers all R-134A valve cores
- Heavy duty metal construction
- No refrigerant loss
- Includes blow molded case
- Eliminates the need to remove freon from the system.
The Mastercool 58531 R134a Standard and JRA (M6) Valve Core Kit allows the user to remove and install any R-134A valve core while the system is under pressure without losing the systems charge. The kit covers R134a systems for Standard and JRA valve cores.
||Mastercool 58531-PB Plastic Molded Box for 58531 & 58560