Mack 745-110207 Relay Valve 3 Ports PAI 802610CROSS REFERENCE: 745 110207 APPLICATION: Mack Multiple Use Application DETAILS: (Opens at 5. 5 psi) Control Ports (2)3 8 18 NPT Reservoir Ports (2)1 2 14 NPT Delivery Ports (2)3 8 18 NPT Delivery Port (1)1 2 14 NPT Port (1)1 2 20 Thread BRAND: PAI 802610 Mack 745 110207 Relay Valve 3 Ports PAI 802610 delivers truck components and USA truck parts. Stabilizes braking by regulating relay air accurately for dependable control. All components are proudly