O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk ['Chevrolet' 0 Coilover Spring Seat Collar

0 Coilover Spring Seat Collar Kit Single Rate Dropped Seat

Their precision-machined design ensures a perfect fit without the need for exterior tape

specifically designed for 2007-2008 Audi RS4 models

O2 Extension Harness GM LT1/LS1 1) 18" Extension Harness (4-pin) Flat Connector

O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk ['Chevrolet' 0 Coilover Spring Seat CollarO2 Extension Kit 2015+ Hellcat 2018+ Trackhawk 2) 6" Front Extension Harness (8 pin) 2) 18" Rear Extension Harness (4 pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.