K-series factory injector sizes….
270cc Injectors:
- K20A (JDM base model K20)
- K20A3 (RSX Base + EP3 Civic Si)
- K24A1 (CRV)
- K24A4
- K24A8 (Accord)
310cc Injectors:
- K20A (JDM Type-R variant, full K20R family)
- K20A2
- K20Z1
- K20Z3
- K20Z4 (EDM FN2 CTR)
- K24A2
- K42A3 (EDM K24A2 variant)
- JDM K24A RBB
410cc Injectors:
- K23A1 / RDX (uses different style connector)