Prom Chip BPSA 1995 GM G20 G25 5.7L 16197427 16196395 Memcal 16220657
EPROM # : 16220657. 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.