Dart Big M G-VII 4.350 Block

$2,159.00
SKU
DAR 31253254

DART BIG M GEN VII 8.1L “Water" Iron Big Block 4.350


Deck Height ................................................ 10.232" (259.89mm)
Bore ................................................ 4.250" or 4.350" unfinished
Main Bearing Size ................................................ Standard BBC
Main Caps ................................................ All 4 bolt - Steel or Ductile Iron
Weight ................................................ 4.250" bore = 295lb / 4.350" = 280lb
Largest Recommended Bore .................................. 4.350"
Camshaft Bearing Diameter .................................. Standard BBC
Camshaft Position .................................. Standard BBC
Cylinder Wall Thickness, min. .................................. .270" @ 4.350" bore
Deck Thickness, min .................................. Adequate for all applications

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Dart Machinery, LTD. stands behind each product they manufacture 100%. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible.

The Gen 7 8.1/8.8 liter big block was used in numerous marine and truck applications. Up until now, there have been very limited options for upgrading its performance potential.

Dart’s new Gen VII block is available with full water jackets including between the cylinder bores, or with siamesed bores to enable larger displacements. The water block is available with a 4.350” bore diameter, and the siamesed bore blocks can be bored to 4.625” diameter.


• Standard 10.236” deck height.

• Provision for factory crank sensor.

• Uses Gen VI timing cover and oil pan.

• Blind head bolt holes.

• Lifter valley bosses for OE style roller lifters and retainer.

More Information
SKU DAR 31253254
Manufacturer WORLD PRODUCTS
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