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” diamete

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