For 1987 GMC R1500 Radiator Cap API 38911TJ Radiator Cap -- Standard; 16 lb

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

Billet Notch Grip Radiator Cap CNC Machined Anodize Aluminum 16 lb Round 1.1 bar

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

Radiator Cap For 1987 GMC R1500 NV213HQ Radiator Cap -- Standard; 16 lb

API 73FG46N Radiator Cap Fits 1987 GMC R1500 Radiator Cap -- Standard; 16 lb

For 1987 GMC R1500 Radiator Cap 15919DZDR Safety Lever -- Relief pressure 16 lb

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