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ATK High Performance Chevy LS 408 Short Blocks

5.0 out of 5 stars 4 Customer Reviews

These ATK High Performance Chevy LS 408 short blocks are made to handle some serious power. The foundation of any high performance engine is a rock-solid short bloc

These ATK High Performance Chevy LS 408 short blocks are made to handle some serious power. The foundation of any high performance engine is a rock-solid short block, so ATK designed and developed these to be just that. They feature a fully forged, balanced, and blueprinted rotating assembly that is available in a variety of configurations to fit naturally aspirated, nitrous, and forced induction builds, as well as those with 24 and 58-tooth cranks.

These ATK High Performance Chevy LS 408 short blocks include the following:

* GM LS Iron blocks
* Aligned and hone main bores
* Manley 4340 forged crankshaft
*

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