Tag HG??

[SS/GN]

I have a tranny I bought for parts. Does anyone know what a HG tag was from?? It has a single pressure swatch if that helps.

Thanks in advance.

 

[conn84gn]

Trans ID Found in vehicle:

BRF 1986-1987 Grand National, Turbo T, T-type
BQ 1984-1985 Grand National, T-type
BR 1983 T-type
TAF 1989 Turbo Trans Am
CZF 1985-1988 Chevrolet Monte Carlo SS
CRF 1985-1988 Monte Carlo 305 engine LG4
KZF Oldsmobile 442/Hurst
OZ 1983-1984 Hurst Olds
OM Oldsmobile 350 Diesel Engines
OG Oldsmobile 307 Engines
BY 252 V6 cars
AA Cadillac
AP Cadillac