Powerjection I Powerjection I Systems Powerjection I Accessories Powerjection II (Port EFI) Powerjection II Systems Powerjection II Throttle Bodies Stage II Engine Management System Stage II EMS Sensors and Harnesses Powerjection III AVAILABLE SOON!! 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 AVAILABLE SOON!! Fuel System Smart Shift Smart Shift Stand Alone Smart Shift With F1 Paddles Standalone F1 Paddles Smart Shift Parts and Accessories Sale Items Preferred Retrotek Dealers Magazine Articles & Official Adds Customers Rides & Testimonials   Viewing Powerjection I Accessories   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.     1:1 Adjustable linkage COMING SOON!! Our new 1:1 adjustable linkage kit accurately dials in your primary to secondary throttle shafts so that they move perfectly equal.