Powerjection I Powerjection I Systems Powerjection System Components Powerjection II Powerjection II Systems Powerjection II Throttle Bodies Powerjection III Fuel On Demand Stage II EMS Sensors and Harnesses Stage III EMS Smart Shift Smart Shift Stand Alone Smart Shift With F1 Paddles Standalone F1 Paddles Smart Shift Parts and Accessories Nostalgia EFI Nostalgia Throttle Bodies 2x2 TB Kit 3x2 TB Kit 4x2 TB Kit 6x2 TB Kit 8x2 TB Kit Nostalgia Complete Systems 2X2 Complete System 3X2 Complete System 4X2 Complete System 6X2 Complete System 8X2 Complete System Powerfire Ignition Systems Fuel System Components Preferred Retrotek Dealers Magazine Articles & Official Adds Customers Rides & Testimonials Pro Products Catalog   Viewing Powerjection System Components   o2 Ready Exhaust Clamp A alternative to welding in an o2 bung in your exhaust. Just drill a hole and clamp on our o2 ready exhaust clamp.     O² Sensor Clamp Assembly Stainless Steel Clamp on O² Sensor Bung