351w World Casting Block
TECHNICAL SPECIFICATIONS
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Material:
High density cast iron
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Deck Height
9.500"
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Deck Thickness:
.600" minimum
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Cam Bearings:
Stock - can be bored to 60mm
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Lifter Bores:
Cross-feeds between pairs to maintain
pressure
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Bore:
3.990" (bore to 4.000") or 4.115" (bore
to 4.125")
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Cylinder Head Attachment:
2 extra head bolts per cylinder
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Water Jackets:
Expanded for better cooling
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Lubrication:
Priority main oiling system
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Filtration:
Integral mount for spin-on filter
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Oil Pan Rails:
Stock Ford
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Main Caps:
Splayed billet steel

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CRANKCASE CLEARS 4.250 STROKE
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BOSSES FOR LIFTER CROSSFEEDS FULL 1/2"
OILING PASSAGES
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Extra bolt holes per cylinder
When it comes to Ford 302/351 replacements, this is without a doubt the most advanced cast iron block on the market today...bar none! It was designed in collaboration with leading Ford race teams, yet is also
engineered for 100% reliability on the street. Like
the original Man O’War, it delivers
performance for the “351” style
engines used in Ford cars & trucks.
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