Gokey’s Garage M18 "O2 Bung" Heatsink
Damaged your heatsink? Dropped it? Lent it to the new guy and he quit before giving it back? No worries, this is your replacement. As well as stopping your O2 bung warping, it's a quick and easy way to purge.
What's Included
- M18 aluminium heatsink
- 1 × barb to attach to our gas line kit
- 1 × diffuser for the outlet
Never want to deal with a tangled hose again? Add our dual swivel adapter as well for the easiest setup you'll ever use.

