Features Include: Ductile iron sleeves and extra thick cylinder walls & decks, 4 bolt splayed mains, enlarged bosses for offset or oversize lifters and scalloped water jacket holes for improved cooling. Siamesed cylinders and front and rear external oil inlets, crossover and restrictor provisions to simplify plumbing with external pump. Screw in freeze plugs. Used in 1500+HP Applications!

The next level of performance is these aluminum Ford 351w small blocks. Block is ready for the street racer or all out racer with added strength and cubic inches. All the factory flaws were redesigned to eliminate all problems, still using the original water jacket design. Blocks are cast from highest quality A-356 aluminum with extra-thick cylinder walls and decks. The blocks webs are stronger and fitted with billet steel 4-bolt main caps. Ideal for sprint cars, modifieds, late model stock cars, dragsters, unlimited open competition classes, supercharge

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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