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MPFI FUEL INJECTION SYSTEM - Holley

response. If you have long tube headers, mount the sensor approximately 1-10” after the collector. You must have no less than 18 – 24” of exhaust pipe after the sensor. TERMINATOR X™ EFI systems come with a Bosch LSU 4.9 wideband oxygen sensor (Item 11). Make sure your sensor looks like Figure 5. Figure 5 Fuel Rail

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