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#521700509

FiTech 70050-9 LS3/7 Knock Sensor Sub Harness

• LS3/LS7-Specific Compatibility - Tailored for Gen IV LS engines with side-block knock sensor locations (LS3, LS7, and similar)
• Plug-and-Play Extension - Direct sub-harness connects knock sensors to the FiTech ECU harness for accurate detonation monitoring
• Essential for Safe Tuning - Allows the system to detect knock and retard timing automatically, protecting your engine under load or boost