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Quick view Michigan Motorsports LS1 O2 Extension Harness 24" 4-pin, Oxygen Sensor Extender Camaro Firebird Pontiac Chevy Michigan Motorsports 24" O2 Oxygen Sensor Extension Harness Plug-and-Play O2 Sensor Extension for GM LS & LT Engines MSRP: Was: Now: $14.99 - $19.99 Choose Options Compare
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