Block sealer
Description
No Longer for sale on the FHS website
Mixes in antifreeze, seals hard gaskets and cracked blocks.
Seals leaks instantly in all cooling systems. Especially designed for todays higher pressure systems. Safe for aluminum and plastic units.
Directions:
1. Flush cooling system clean.
2. Fill with water or antifreeze mix and run engine until water is quite warm. ( for large cracks where water is streaming out, pack with fine steel wool as tight as possible.)
3. Shake Block Sealer and pour into cooling system.
4. Run engine for 15 minutes.
Additional information
| Weight | N/A |
|---|---|
| Dimensions | N/A |
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