Hard Blok Engine Block Filler 860228 (Tall Fill, 28 lbs) is a cement-based filler designed to reinforce engine blocks, commonly used in drag racing and high-performance applications.
The Hard Blok Engine Block Filler 860212 (Short Fill, 12 lbs) is a high-performance, cement-based filler designed to reinforce engine blocks, commonly used in drag racing and high-performance applications.
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