Ambac M50 Fuel Injection Pump Rebuild 50-2-4A-80A-9540A Published May 19, 2022 at 538 × 385 in Ambac M50 Fuel Injection Pump Rebuild 50-2/4A-80A-9540A Ambac M50 Fuel Injection Pump Rebuild 50-2-4A-80A-9540A Ambac M50 Fuel Injection Pump Rebuild 50-2-4A-80A-9540A