1979 GMC Sierra Grande Sport Coupe, LS9-350 4 barrel V8, TH 350 Transmission, 12 Bolt Rear End. With RPO Codes F44, F51, Z77
NUMBERS MATCHING . ALL ORIGINAL DRIVE LINE.
Z77 RPO code for Chevy Sport/GMC Street Coupe
1979 GMC Sierra Grande Sport Coupe, LS9-350 4 barrel V8, TH 350 Transmission, 12 Bolt Rear End. With RPO Codes F44, F51, Z77
NUMBERS MATCHING . ALL ORIGINAL DRIVE LINE.
Z77 RPO code for Chevy Sport/GMC Street Coupe