2680 A/C Valve Core Assortment Unit UPC: 672264006250 Refillable Air Conditioning Valve Core Assortment Includes: 22) Standard Valve Cores PN 672 (HFO-1234yf compatible) 3) GM Late Model High Flow PN 673 5) JRA (Japanese Refrigeration Association) High Flow PN 674 5) 8mm Low Side PN 676 (HFO-1234yf compatible) 5) 10mm High Side PN 677 (HFO-1234yf compatible) 1) Duo-Core Universal Valve Core Remover PN DC