General Motors option code

G80

G80: a General Motors factory option code reused for more than one part across 1963–2002 and 10 models — see the table for what it named each year, with installs and price where a source states them.

General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.

10 models · 35 model years · 35 sources

White 1963 Chevrolet Chevy II Nova SS two-door hardtop in the GM Heritage Center hall, side and front three-quarter view, with SS wheel covers and whitewall tires
1963 Chevrolet Chevy II Nova SS hardtop coupe in white, GM Heritage Collection General Motors

Every sourced appearance

Year Model As named that year Price Installs
1963 Chevrolet Chevy II and Nova Limited-slip rear axle RPO Unknown Unknown
1963 Chevrolet Impala SS Limited-slip axle (3.08, 3.36, 3.55, 3.70, 4.11, 4.56:1) RPO Unknown Unknown
1964 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $37.70 29,501 Reported
1964 Chevrolet Impala SS Limited-slip axle (3.08, 3.36, 3.55, 3.70, 4.11, 4.56:1) RPO Unknown Unknown
1964 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin RPO $43.04 Unknown
1964 Oldsmobile Starfire Axle, anti-spin RPO $47.61 Unknown
1965 Chevrolet Chevelle and Malibu SS Positraction rear axle (3.08, 3.36, 3.70) RPO $37.70 23,023 Reported
1965 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear RPO $43.04 Unknown
1965 Oldsmobile Starfire Axle, anti-spin rear RPO $47.61 Unknown
1966 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $36.90 67,905 Reported
1966 Chevrolet Chevy II and Nova Positraction rear axle RPO Unknown Unknown
1966 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear RPO $42.13 Unknown
1966 Oldsmobile Starfire Axle, anti-spin rear RPO $46.60 Unknown
1967 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $42.15 57,988 Reported
1967 Chevrolet Chevy II and Nova Positraction rear axle RPO Unknown Unknown
1967 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear RPO $42.13 Unknown
1968 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $42.15 60,283 Reported
1968 Chevrolet Chevy II and Nova Positraction rear axle RPO $42.15 Unknown
1968 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear RPO $42.13 Unknown
1969 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $42.15 60,283 Reported
1969 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear (required with G88, G89 or G92) RPO $42.13 Unknown
1970 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $42.15 64,169 Reported
1970 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear (included in G88 and G92) RPO $42.13 Unknown
1971 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $46.35 33,994 Reported
1971 Chevrolet Chevy II and Nova Positraction rear axle RPO $46.35 Unknown
1971 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Axle, anti-spin rear (required with G89) RPO $44.23 Unknown
1971 Pontiac Firebird and Trans Am Safe T Track differential (sales code 361) RPO/UPC $46.34 Unknown
1972 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $45 40,564 Reported
1972 Chevrolet Chevy II and Nova Positraction axle RPO $47.40 Unknown
1972 Pontiac Firebird and Trans Am Safe T Track differential (sales code 361) RPO/UPC $45 Unknown
1973 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO Unknown 47,055 Reported
1973 Chevrolet Chevy II and Nova Positraction rear axle RPO $45 Unknown
1973 Pontiac Firebird and Trans Am Safe T Track differential (sales code 371) RPO/UPC $45 Unknown
1973 Pontiac Tempest and LeMans Safe-T-Track differential RPO $45 Unknown
1974 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $47 Unknown
1974 Chevrolet Chevy II and Nova Positraction rear axle RPO $47 Unknown
1974 Chevrolet El Camino SS Positraction rear axle RPO $45 Unknown
1974 Pontiac Firebird and Trans Am Safe T Track differential (sales code 371) RPO/UPC $45 Unknown
1975 Chevrolet Chevelle and Malibu SS Positraction rear axle RPO $49 Unknown
1975 Chevrolet Chevy II and Nova Positraction rear axle RPO $49 Unknown
1975 Pontiac Firebird and Trans Am Safe T Track differential (sales code 381) RPO/UPC $49 Unknown
1976 Chevrolet Chevy II and Nova Positraction rear axle RPO $51 Unknown
1976 Chevrolet El Camino SS Positraction RPO $51 Unknown
1976 Pontiac Firebird and Trans Am Safe T Track differential (sales code 391) RPO/UPC $51 Unknown
1977 Buick Riviera Positive Traction differential order code (Buick option code) Unknown Unknown
1977 Chevrolet Chevelle and Malibu SS Positraction RPO $54 Unknown
1977 Chevrolet Chevy II and Nova Positraction rear axle RPO $54 Unknown
1977 Chevrolet El Camino SS Positraction RPO $54 Unknown
1977 Pontiac Firebird and Trans Am Safe-T-Track differential RPO $54 75,220 Reported
1977 Pontiac Tempest and LeMans Safe-T-Track rear axle RPO Unknown Unknown
1978 Chevrolet Chevy II and Nova Positraction rear axle RPO $59 Unknown
1978 Chevrolet El Camino SS Positraction RPO $59 Unknown
1978 Pontiac Firebird and Trans Am Safe-T-Track limited-slip axle RPO $60 100,759 Reported
1979 Chevrolet Chevy II and Nova Limited slip differential RPO $64 Unknown
1979 Chevrolet El Camino SS Limited-slip differential RPO $64 Unknown
1980 Chevrolet El Camino SS Limited-slip differential RPO $68 Unknown
1980 Pontiac Firebird and Trans Am Limited-slip differential RPO $68 54,960 Reported
1981 Chevrolet El Camino SS Limited-slip differential RPO $67 Unknown
1981 Pontiac Firebird and Trans Am Limited Slip Differential, Base Firebird and Esprit RPO/UPC $71.13 Unknown
1981 Pontiac Firebird and Trans Am Limited Slip Differential, Formula and Trans Am RPO/UPC $71 Unknown
1982 Chevrolet El Camino SS Limited-slip differential RPO $76 Unknown
1983 Chevrolet El Camino SS Limited-slip differential RPO $95 Unknown
1984 Chevrolet El Camino SS Limited-slip differential RPO $95 Unknown
1986 Chevrolet El Camino SS Limited-slip differential RPO $100 Unknown
1987 Buick Regal Turbo, Grand National and GNX Limited-slip differential RPO Unknown Unknown
1987 Chevrolet El Camino SS Limited slip differential RPO $100 Unknown
1987 Pontiac Firebird and Trans Am Limited-slip differential RPO Unknown 21,217 Reported
1988 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds Limited-slip differential. Classic: available; Classic Brougham: available. RPO Unknown Unknown
1993 Pontiac Firebird and Trans Am Posi RPO Unknown 10,302 Reported
1994 Pontiac Firebird and Trans Am Posi RPO Unknown 25,026 Reported
1995 Pontiac Firebird and Trans Am Posi RPO Unknown 26,264 Reported
1996 Pontiac Firebird and Trans Am Posi RPO Unknown 12,459 Reported
1997 Pontiac Firebird and Trans Am Posi RPO Unknown 18,028 Reported
1998 Pontiac Firebird and Trans Am Posi RPO Unknown 20,024 Reported
1999 Pontiac Firebird and Trans Am Posi RPO Unknown 22,302 Reported
2000 Pontiac Firebird and Trans Am Posi RPO Unknown 25,797 Reported
2001 Pontiac Firebird and Trans Am Posi RPO Unknown 13,246 Reported
2002 Pontiac Firebird and Trans Am Posi RPO Unknown 15,896 Reported

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.