For 1991 GMC Syclone Rocker Arm Kit 36591FSDP 4.3L V6 VIN: Z Rocker Arm

For 1996-1999 GMC Savana 2500 Rocker Arm Kit 83141BZPF 1997 1998 4.3L V6 VIN: W

For 1991 GMC Syclone Rocker Arm 13175QHYJ 4.3L V6 VIN: Z Stock

For 1987 GMC V1500 Rocker Arm Kit 91421BZRP 4.3L V6 VIN: Z Rocker Arm

For 1988-1991 GMC S15 Jimmy Rocker Arm Kit 85938NJXJ 1989 1990 4.3L V6 VIN: Z

For 1991 GMC Syclone Rocker Arm Kit 74895ZQ 4.3L V6 VIN: Z Rocker Arm

For 1992-1993 GMC Typhoon Rocker Arm Kit 49782PCVP 4.3L V6 VIN: Z Rocker Arm

For 1987 GMC R1500 Rocker Arm Kit 67622KVNG 4.3L V6 VIN: Z Rocker Arm