In 1/2tons no, '81 was the last year for the tach, but it the guague face will match the previous versions not the 82-87 versions.
Check in the 1tons they had the option of a tach.
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Chris Lucas
1973 Chevy C-10
1975 Chevy Silverado
Captkaos Customs
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Chris Lucas
1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
Captkaos Customs
73-87chevytrucks.com