Billet aluminum side freeze plug to replace the stock plug on a 89-07 Cummins block.
- Solve your blown freeze plug issues once and for all.
- This plug will not blow out under high coolant pressure when running at higher rpms.
- Anodized black.
- 24 valve engines require a total of 3.
- 12 valve engines require 4 if block heater is removed
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