Fuel injectors for the 280z should be the same as:

Part Number: 10399H250, 552-13112 Resistance: 2.7 OHMS Connector Type: Jetronic (EV1)
Use this fuel injector to replace of the following part numbers:
Body Design: Steel/plastic
Injector type: Peak and hold
Coil Resistance: 2.5 Ohms
Flow rate: 255-261 cc/min at 43.5 psi
Fuel delivery: Single-pintle
Length: 3 inches, 74 mm
Body Diameter: 24 mm
O-rings/seal: Lower, Viton
| Manufacturer | Fiveomotorsport |
|---|---|
| OEM or Aftermarket | OEM |
| Connector Type | Jetronic (EV1) |
| Impedance | 2.7 OHMS |
| Part Number | 10399H250, 552-13112 |
| Year(s) | 1975, 1976, 1977, 1978, 1979, 1980, 1981 |
| Make | BMW, JAGUAR |
| Model | 3.0SI, 530I, 630CSI, 633CSI, VANDEN PLAS, XJ6 |
| Engine | III, L6, 4.2L, |
| 2, GAS, III, L6, 4.2L, 3, GAS, L, L6, 4.2L, N, GAS, L6, 3.0L, GAS, L6, | |
| 3.0L, M30, GAS, L6, 3.2L, M30, GAS, L6, 4.2L, 2, GAS, L6, 4.2L, 3, GAS, | |
| SOVEREIGN, L6, 4.2L, 2, GAS |