Necksgen REVX Carbon Size:Medium/Large or when dual pumps are

or when dual pumps are employed and both pumps will not always be running together

42" to the lifter valley cover flange on engine block

8 repeater channels

1968-1972 Chevrolet K10 Suburban

Necksgen REVX Carbon Size:Medium/Large or when dual pumps areREV X Carbon Head and Neck Restraint The REV X Carbon is NecksGen's newest head and neck restraint frontal head restraint. Hand made from carbon fiber and lightweight materials, the new REV X adds an extra element to driver comfort. The X strap system holds the device securely in place while driving, and also helps keep it where you want it while getting in or out of the vehicle. The straps are easily adjustable to make personal fitment easy, and the