For 1987 GMC V2500 Rocker Arm 76463BJCR 4.8L 6 Cyl Stock

For 1987 GMC V2500 Rocker Arm 93896ZNWG 4.8L 6 Cyl Stock

For 1987 GMC V2500 Rocker Arm Kit 97843PVHM 4.8L 6 Cyl Rocker Arm Stock

For 1987-1988 GMC R2500 Rocker Arm 75137XHWZ Stock -- without Rail

For 1987 GMC V2500 Rocker Arm Kit 65867BDPR 4.8L 6 Cyl Rocker Arm Stock

Genuine ACDelco Valve Rocker Arm 12696105

Crower 74529S | 5/8 Snap Ring for Crower Shaft Rocker

For 1987-1988 GMC R3500 Rocker Arm Kit 81599JSRX 4.8L 6 Cyl Rocker Arm Stock