These 550cc ISR Performance injectors are a high quality yet affordable direct drop in replacements for your Nissan side feed injectors. Perfect for SR/KA applications. ISR Injectors are sold in balanced sets within 2% flow variation across the transitional, low and linear ranges of pulse widths. With stainless steel internals these injectors are E85 compatible.
Includes:
- 4 x 550cc side feed injectors
- injector o ringsÂ
- injector flow data sheet
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