The Datsun 280Z was released in 1975 in North America (not to be confused with the 280ZX) and featured another engine displacement enlargement to 2.8 L as compared to the previous 240Z and 260Z. A major change was the introduction of Bosch fuel injection, replacing the previous SU carburetors. This resulted in a power increase to 170 hp (127 kW), offsetting increased weight from added luxury features and an enlarged bumper that met US Federal regulations. Export markets outside North America continued to receive the Datsun 260Z until the introduction of the Datsun 280ZX at the end of 1978.