NO additional sealant is needed, the silicone coating virtually stops all leaks. Used also on Model A blocks when using a Model B or high-compression ( non-Brumfield ) cylinder head. Premium quality.
No questions.
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NO additional sealant is needed, the silicone coating virtually stops all leaks. Used also on Model A blocks when using a Model B or high-compression ( non-Brumfield ) cylinder head. Premium quality.
No questions.