Freeze Plug Set - Rotor Housing Coolant Passage (Pair)
$9.00 USD
Pair of 20.5mm Freeze Plugs applicable to fit the 20mm Coolant Passage at the Rotor Housings where the lower intake manifold meets the engine.
This helps to block coolant from passing through the intake manifold, which helps maintain lower intake air temperatures.
Note that if you are eliminating this passage on a stock turbo vehicle, you will need to get turbo coolant feed through a different port. Usually teeing into the rear iron port that feeds through to the water pump housing is best.