Hard Blok Engine Block Filler - Short Fill - (2) 6-1/4 lb. Bags H778C44M Red Anodized / Natural

Red Anodized / Natural

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2006 Jeep Wrangler 65th Anniversary Edition

Hard Blok Engine Block Filler - Short Fill - (2) 6-1/4 lb. Bags H778C44M Red Anodized / NaturalHard Blok Water Jacket Filler Is a Specially Formulated, Cement Based Product With Refined, Size Graded Iron Particles Combined At An Optimum Ratio To Provide Maximum Strength, Vibration Dampening, and Heat Dissipation Required In High Performance Race Engines. Its Coefficient Of Thermal Expansion Is Identical To Cast Iron Engine Blocks. Product Has Been Tested and Proven Effective In Aluminum Blocks. Remains Stable At All Operating Temperatures. Does