| Model | Year Range | RPO Code |
|---|
| 6000 | 1984-1986 | All |
| 98 Regency | 1984-1984 | All |
| Berlinetta | 1985-1988 | All |
| Berlinetta | 1985-1989 | All |
| BLAZER | 1987-1991 | All |
| BLAZER 4WD | 1985-1985 | All |
| BLAZER 4WD | 1985-1986 | All |
| BLAZER 4WD | 1986-1986 | All |
| BLAZER 4WD | 1992-1993 | CK1,2(LH6) |
| BLAZER 4WD | 1992-1993 | CK1,2(LH6) |
| Blazer/Jimmy 4 X 2 | 1985-1985 | All |
| Blazer/Jimmy 4 X 2 | 1985-1986 | All |
| Blazer/Jimmy 4 X 2 | 1986-1986 | All |
| Blazer/Jimmy 4 X 2 | 1987-1991 | All |
| Blazer/Jimmy 4 X 4 | 1985-1985 | All |
| Blazer/Jimmy 4 X 4 | 1985-1986 | All |
| Blazer/Jimmy 4 X 4 | 1986-1986 | All |
| Blazer/Jimmy 4 X 4 | 1987-1991 | All |
| Blazer/Jimmy 4X2 | 1984-1984 | All |
| Blazer/Jimmy 4X2 | 1984-1984 | All |
| Blazer/Jimmy 4X2 | 1984-1984 | All |
| Blazer/Jimmy 4X4 | 1984-1984 | All |
| Blazer/Jimmy 4X4 | 1984-1984 | All |
| Blazer/Jimmy 4X4 | 1984-1984 | All |
| Blazer/Tahoe/Yukon/Suburban 4 X 2 | 1992-1993 | CK1,2(LH6) |
| Blazer/Tahoe/Yukon/Suburban 4 X 2 | 1992-1993 | CK1,2(LH6) |
| Blazer/Tahoe/Yukon/Suburban 4 X 4 | 1992-1993 | CK1,2(LH6) |
| Blazer/Tahoe/Yukon/Suburban 4 X 4 | 1992-1993 | CK1,2(LH6) |
| Bonneville | 1984-1986 | All |
| Bonneville | 1985-1985 | All |
| Bonneville | 1986-1986 | All |
| C10 PICKUP 2WD | 1985-1985 | All |
| C10 PICKUP 2WD | 1985-1986 | All |
| C10 PICKUP 2WD | 1986-1986 | All |
| C10 SUBURBAN 2WD | 1985-1985 | All |
| C10 SUBURBAN 2WD | 1985-1986 | All |
| C10 SUBURBAN 2WD | 1986-1986 | All |
| C15/C1500 PICKUP 2WD | 1985-1985 | All |
| C15/C1500 PICKUP 2WD | 1985-1986 | All |
| C15/C1500 PICKUP 2WD | 1986-1986 | All |
| C15/C1500 SUBURBAN 2WD | 1985-1985 | All |
| C15/C1500 SUBURBAN 2WD | 1985-1986 | All |
| C15/C1500 SUBURBAN 2WD | 1986-1986 | All |
| C1500 PICKUP 2WD | 1988-1991 | All |
| C1500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 SUBURBAN 2WD | 1992-1993 | CK1,2(LH6) |
| C1500 SUBURBAN 2WD | 1992-1993 | CK1,2(LH6) |
| C20 PICKUP 2WD | 1985-1985 | All |
| C20 PICKUP 2WD | 1985-1986 | All |
| C20 PICKUP 2WD | 1986-1986 | All |
| C20 SUBURBAN 2WD | 1985-1985 | All |
| C20 SUBURBAN 2WD | 1985-1986 | All |
| C20 SUBURBAN 2WD | 1986-1986 | All |
| C25/C2500 PICKUP 2WD | 1985-1985 | All |
| C25/C2500 PICKUP 2WD | 1985-1986 | All |
| C25/C2500 PICKUP 2WD | 1986-1986 | All |
| C25/C2500 SUBURBAN 2WD | 1985-1985 | All |
| C25/C2500 SUBURBAN 2WD | 1985-1986 | All |
| C25/C2500 SUBURBAN 2WD | 1986-1986 | All |
| C2500 PICKUP 2WD | 1988-1991 | All |
| C2500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 SUBURBAN 2WD | 1992-1993 | CK1,2(LH6) |
| C2500 SUBURBAN 2WD | 1992-1993 | CK1,2(LH6) |
| C30 PICKUP 2WD | 1985-1985 | All |
| C30 PICKUP 2WD | 1985-1986 | All |
| C30 PICKUP 2WD | 1986-1986 | All |
| C35/C3500 PICKUP 2WD | 1985-1985 | All |
| C35/C3500 PICKUP 2WD | 1985-1986 | All |
| C35/C3500 PICKUP 2WD | 1986-1986 | All |
| C3500 PICKUP 2WD | 1988-1991 | All |
| C3500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C3500 PICKUP 2WD | 1992-1993 | CK1,2(LH6) |
| C3500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C3500 PICKUP SIERRA 2WD | 1992-1993 | CK1,2(LH6) |
| C3500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| C3500 PICKUP SIERRA XC 2WD | 1992-1993 | CK1,2(LH6) |
| Camaro | 1985-1988 | All |
| Camaro | 1985-1989 | All |
| Camaro | 1987-1989 | All |
| Camaro | 1989-1992 | F(LB9) |
| Camaro | 1990-1992 | F(LB9) |
| Camaro | 1990-1992 | F(L98) |
| Camaro | 1993-1993 | F(LT1) |
| Camaro | 1994-1997 | F(LT1) |
| Caprice | 1984-1988 | All |
| Caprice | 1985-1985 | All |
| Caprice | 1985-1986 | All |
| Caprice | 1985-1987 | All |
| Caprice | 1988-1988 | All |
| Celebrity | 1984-1986 | All |
| Century | 1985-1986 | All |
| Chevette | 1984-1988 | All |
| Chevette | 1985-1985 | All |
| Chevette | 1985-1986 | All |
| Chevette | 1985-1987 | All |
| Citation | 1984-1988 | All |
| Citation | 1985-1985 | All |
| Citation | 1985-1986 | All |
| Citation | 1985-1987 | All |
| Corvette | 1985-1986 | All |
| Corvette | 1987-1987 | All |
| Corvette | 1988-1989 | All |
| Corvette | 1992-1996 | Y(LT1) |
| Custom Cruiser | 1984-1984 | All |
| Cutlass (RWD) | 1984-1984 | All |
| Cutlass Ciera | 1986-1986 | All |
| Delta 88 | 1984-1984 | All |
| El Camino | 1984-1988 | All |
| El Camino | 1985-1985 | All |
| El Camino | 1985-1986 | All |
| El Camino | 1985-1987 | All |
| El Camino | 1988-1988 | All |
| Electra | 1984-1984 | All |
| Estate Wagon | 1984-1984 | All |
| Estate Wagon | 1985-1985 | All |
| Fiero | 1985-1988 | All |
| Fiero | 1987-1988 | All |
| Firebird | 1985-1987 | All |
| Firebird | 1985-1988 | All |
| Firebird | 1987-1987 | All |
| Firebird | 1988-1989 | All |
| Firebird | 1989-1992 | F(LB9) |
| Firebird | 1990-1992 | F |
| Firebird | 1990-1992 | F(LB9) |
| Firebird Formula | 1993-1993 | F(LT1) |
| Firebird Formula | 1994-1997 | F(LT1) |
| G10 VAN | 1985-1986 | All |
| G10 VAN | 1992-1993 | G2(LH6) |
| G10 VAN SPORTVAN | 1985-1986 | All |
| G10 VAN SPORTVAN | 1992-1993 | G2(LH6) |
| G15/G1500 VAN RALLY | 1985-1986 | All |
| G15/G1500 VAN RALLY | 1992-1993 | G2(LH6) |
| G15/G1500 VAN VANDURA | 1985-1986 | All |
| G15/G1500 VAN VANDURA | 1992-1993 | G2(LH6) |
| G20 VAN | 1985-1986 | All |
| G20 VAN | 1992-1993 | G2(LH6) |
| G20 VAN SPORTVAN | 1985-1986 | All |
| G20 VAN SPORTVAN | 1992-1993 | G2(LH6) |
| G25/G2500 VAN RALLY | 1985-1986 | All |
| G25/G2500 VAN RALLY | 1992-1993 | G2(LH6) |
| G25/G2500 VAN VANDURA | 1985-1986 | All |
| G25/G2500 VAN VANDURA | 1992-1993 | G2(LH6) |
| G30 VAN | 1985-1986 | All |
| G30 VAN | 1992-1993 | G2(LH6) |
| G30 VAN SPORTVAN | 1985-1986 | All |
| G30 VAN SPORTVAN | 1992-1993 | G2(LH6) |
| G35/G3500 VAN | 1985-1986 | All |
| G35/G3500 VAN | 1992-1993 | G2(LH6) |
| G35/G3500 VAN RALLY | 1985-1986 | All |
| G35/G3500 VAN RALLY | 1992-1993 | G2(LH6) |
| G35/G3500 VAN VANDURA | 1985-1986 | All |
| G35/G3500 VAN VANDURA | 1992-1993 | G2(LH6) |
| Grand Prix | 1984-1986 | All |
| Grand Prix | 1985-1985 | All |
| Grand Prix | 1986-1986 | All |
| Grand Prix | 1987-1987 | All |
| Impala | 1984-1988 | All |
| Impala | 1985-1985 | All |
| Impala | 1985-1986 | All |
| Impala | 1985-1987 | All |
| J2000 | 1984-1986 | All |
| JIMMY | 1987-1991 | All |
| JIMMY 4WD | 1985-1985 | All |
| JIMMY 4WD | 1985-1986 | All |
| JIMMY 4WD | 1986-1986 | All |
| K10 PICKUP 4WD | 1985-1985 | All |
| K10 PICKUP 4WD | 1985-1986 | All |
| K10 PICKUP 4WD | 1986-1986 | All |
| K10 SUBURBAN 4WD | 1985-1985 | All |
| K10 SUBURBAN 4WD | 1985-1986 | All |
| K10 SUBURBAN 4WD | 1986-1986 | All |
| K15/K1500 PICKUP 4WD | 1985-1985 | All |
| K15/K1500 PICKUP 4WD | 1985-1986 | All |
| K15/K1500 PICKUP 4WD | 1986-1986 | All |
| K15/K1500 SUBURBAN 4WD | 1985-1985 | All |
| K15/K1500 SUBURBAN 4WD | 1985-1986 | All |
| K15/K1500 SUBURBAN 4WD | 1986-1986 | All |
| K1500 PICKUP 4WD | 1988-1991 | All |
| K1500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 SUBURBAN 4WD | 1992-1993 | CK1,2(LH6) |
| K1500 SUBURBAN 4WD | 1992-1993 | CK1,2(LH6) |
| K20 PICKUP 4WD | 1985-1985 | All |
| K20 PICKUP 4WD | 1985-1986 | All |
| K20 PICKUP 4WD | 1986-1986 | All |
| K20 SUBURBAN 4WD | 1985-1985 | All |
| K20 SUBURBAN 4WD | 1985-1986 | All |
| K20 SUBURBAN 4WD | 1986-1986 | All |
| K25/K2500 PICKUP 4WD | 1985-1985 | All |
| K25/K2500 PICKUP 4WD | 1985-1986 | All |
| K25/K2500 PICKUP 4WD | 1986-1986 | All |
| K25/K2500 SUBURBAN 4WD | 1985-1985 | All |
| K25/K2500 SUBURBAN 4WD | 1985-1986 | All |
| K25/K2500 SUBURBAN 4WD | 1986-1986 | All |
| K2500 PICKUP 4WD | 1988-1991 | All |
| K2500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 SUBURBAN 4WD | 1992-1993 | CK1,2(LH6) |
| K2500 SUBURBAN 4WD | 1992-1993 | CK1,2(LH6) |
| K30 PICKUP 4WD | 1985-1985 | All |
| K30 PICKUP 4WD | 1985-1986 | All |
| K30 PICKUP 4WD | 1986-1986 | All |
| K35/K3500 PICKUP 4WD | 1985-1985 | All |
| K35/K3500 PICKUP 4WD | 1985-1986 | All |
| K35/K3500 PICKUP 4WD | 1986-1986 | All |
| K3500 PICKUP 4WD | 1988-1991 | All |
| K3500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K3500 PICKUP 4WD | 1992-1993 | CK1,2(LH6) |
| K3500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K3500 PICKUP SIERRA 4WD | 1992-1993 | CK1,2(LH6) |
| K3500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| K3500 PICKUP SIERRA XC 4WD | 1992-1993 | CK1,2(LH6) |
| Lesabre | 1984-1984 | All |
| Lesabre | 1985-1985 | All |
| Monte Carlo | 1984-1988 | All |
| Monte Carlo | 1985-1985 | All |
| Monte Carlo | 1985-1986 | All |
| Monte Carlo | 1985-1987 | All |
| Monte Carlo | 1988-1988 | All |
| Omega | 1984-1984 | All |
| Parisienne | 1984-1986 | All |
| Parisienne | 1985-1985 | All |
| Parisienne | 1986-1986 | All |
| Phoenix | 1984-1986 | All |
| Pickup 4 X 2 | 1985-1985 | All |
| Pickup 4 X 2 | 1985-1986 | All |
| Pickup 4 X 2 | 1986-1986 | All |
| Pickup 4 X 2 | 1987-1991 | All |
| Pickup 4 X 2 | 1988-1991 | All |
| Pickup 4 X 2 | 1992-1993 | CK1,2(LH6) |
| Pickup 4 X 2 | 1992-1993 | CK1,2(LH6) |
| Pickup 4 X 4 | 1985-1985 | All |
| Pickup 4 X 4 | 1985-1986 | All |
| Pickup 4 X 4 | 1986-1986 | All |
| Pickup 4 X 4 | 1987-1991 | All |
| Pickup 4 X 4 | 1988-1991 | All |
| Pickup 4 X 4 | 1992-1993 | CK1,2(LH6) |
| Pickup 4 X 4 | 1992-1993 | CK1,2(LH6) |
| Pickup 4X2 | 1984-1984 | All |
| Pickup 4X2 | 1984-1984 | All |
| Pickup 4X2 | 1984-1984 | All |
| Pickup 4X4 | 1984-1984 | All |
| Pickup 4X4 | 1984-1984 | All |
| Pickup 4X4 | 1984-1984 | All |
| R10 PICKUP | 1987-1991 | All |
| R10 SUBURBAN | 1987-1991 | All |
| R1500 PICKUP | 1987-1991 | All |
| R1500 SUBURBAN | 1987-1991 | All |
| R20 PICKUP | 1987-1991 | All |
| R20 SUBURBAN | 1987-1991 | All |
| R2500 PICKUP | 1987-1991 | All |
| R2500 SUBURBAN | 1987-1991 | All |
| R30 PICKUP | 1987-1991 | All |
| R3500 PICKUP | 1987-1991 | All |
| Regal | 1984-1984 | All |
| Regal | 1985-1985 | All |
| Riviera | 1984-1984 | All |
| Riviera | 1985-1985 | All |
| Safari | 1987-1987 | All |
| Skyhawk | 1984-1986 | All |
| Skylark | 1984-1984 | All |
| Skylark | 1985-1985 | All |
| Suburban 4 X 2 | 1985-1985 | All |
| Suburban 4 X 2 | 1985-1986 | All |
| Suburban 4 X 2 | 1986-1986 | All |
| Suburban 4 X 2 | 1987-1991 | All |
| Suburban 4 X 4 | 1985-1985 | All |
| Suburban 4 X 4 | 1985-1986 | All |
| Suburban 4 X 4 | 1986-1986 | All |
| Suburban 4 X 4 | 1987-1991 | All |
| Suburban 4X2 | 1984-1984 | All |
| Suburban 4X2 | 1984-1984 | All |
| Suburban 4X2 | 1984-1984 | All |
| Suburban 4X4 | 1984-1984 | All |
| Suburban 4X4 | 1984-1984 | All |
| Suburban 4X4 | 1984-1984 | All |
| T1000 | 1984-1986 | All |
| T1000 | 1985-1985 | All |
| T1000 | 1986-1986 | All |
| T1000 | 1987-1987 | All |
| Toronado | 1984-1984 | All |
| Utility/FC Chassis | 1984-1984 | All |
| Utility/FC Chassis | 1984-1984 | All |
| Utility/FC Chassis | 1984-1984 | All |
| V10 PICKUP | 1987-1991 | All |
| V10 SUBURBAN | 1987-1991 | All |
| V1500 PICKUP | 1987-1991 | All |
| V1500 SUBURBAN | 1987-1991 | All |
| V20 PICKUP | 1987-1991 | All |
| V20 SUBURBAN | 1987-1991 | All |
| V2500 PICKUP | 1987-1991 | All |
| V2500 SUBURBAN | 1987-1991 | All |
| V30 PICKUP | 1987-1991 | All |
| V3500 PICKUP | 1987-1991 | All |
| Van | 1984-1984 | All |
| Van | 1984-1984 | All |
| Van | 1984-1984 | All |
| Van | 1985-1986 | All |
| Van | 1992-1993 | G2(LH6) |
| YUKON 4WD | 1992-1993 | CK1,2(LH6) |
| YUKON 4WD | 1992-1993 | CK1,2(LH6) |