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

For 1991 GMC V3500 Rocker Arm Kit 73461GQGG 7.4L V8 OHV Rocker Arm Stock

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

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

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

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

For 1991 GMC R3500 Rocker Arm Kit 69338BCBP 7.4L V8 OHV Rocker Arm Stock

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