Prom Chip BHMZ 1994 Chevy GMC C1500 5.7L Cal Emissions 16197427 EPROM 16195593
EPROM: 16195593. When replacing your PROM you must match the 4 letter code on your PROM from your vehicle. Do not replace a PROM with a non matching unit. This is for one PROM only and doesn’t include the engine computer.