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World Products, Merlin IV Chevrolet Big Block Cast Iron Race Blocks w/Billet Caps
The perfect foundation for any big block Chevrolet engine assembly. Made of a high density iron and manufactured to QS-9000 specifications on just tow fixtures to eliminate tolerance stacking common on production lines. The MERLIN III can be bored to a maximum of 4.625" and is clearanced for a 4.375" crank. With a reinforced bottom end featuring 4-bolt splayed billet steel main caps, the MERLIN IV can handle serious horsepower with complete reliability.
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