For 1991 GMC V3500 Rocker Arm 97996ZVVS 7.4L V8 OHV Stock

For 1991 GMC V3500 Rocker Arm 94135NX 7.4L V8 OHV Stock

Melling 39BG27D Rocker Arm Kit Fits 1991-2000 Chevy K3500 7.4L V8 OHV Stock

Melling 93RX48V Rocker Arm Kit Fits 1991-2000 Chevy K3500 7.4L V8 OHV Stock

For 1991 GMC V3500 Rocker Arm Kit 56488DGTM 7.4L V8 OHV Rocker Arm Stock

Melling Stock Rocker Arm fits GMC C3500 1991-2000 7.4L V8 OHV 26KRHFVC

Melling Stock Rocker Arm Kit fits Chevy K3500 1991-2000 7.4L V8 OHV 91YFBD

For 1991 GMC R3500 Rocker Arm 22498BVCZ 7.4L V8 OHV Stock