MotoRad Coolant System Pressure Tester for 1975-1978 GMC K25 4.1L 4.8L 5.0L xk
This MotoRad Engine Coolant System Pressure Tester fits your 1978 1977 1976 1975 GMC K25 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L L6 V8 and is perfect for a tune up or performance upgrade. .