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Hard Blok

Since 1986, Hard Blok has produced their uniquely formulated cement-based Water Jacket Filler with refined, size-graded iron particles to strengthen high-performance race engines while improving vibration dampening and heat dissipation. Optimal for cast iron blocks but also proven effective in aluminum blocks, Hard Block helps protect engines under the most demanding racing conditions.

www.hardblok.com/

Any product of this brand can be ordered even if it is not found in the store. Ask!

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