For 1987 GMC R1500 Radiator Cap 79788QNBW Safety Lever -- Relief pressure 16 lb

Gates Radiator Cap for 1975-1977 Chevrolet C10 4.1L 4.8L 5.0L 5.7L 6.6L 7.4L hg

For 1987 GMC R1500 Radiator Cap 54577YNRJ Standard -- Relief pressure 16 lb

For 1958 GMC PM151 Radiator Cap 34783XMRR Safety Lever -- Relief pressure 7 lb

For 1955 GMC PM250 Radiator Cap 55621DNBJ Safety Lever -- Relief pressure 4 lb

For 1987 GMC R1500 Radiator Cap 35768RTGM Standard -- Relief pressure 16 lb

For 1978 GMC C15 Radiator Cap 57133CV Safety Lever -- Relief pressure 16 lb

For 1987 GMC V1500 Radiator Cap 21552HBPW Safety Lever -- Relief pressure 16 lb