ATK High Performance Chevy 598 Dart Race Series Short Blocks
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Big power requires a solid foundation, so start your next build with one of these ATK High Performance Chevy 598 Dart Race Series short blocks. These short blocks are built, balanced, and blueprinted to be the strongest and most reliable short blocks available for your race car or hardcore street car.
ATK blocks feature:
* Dart Big M 10.2 block
* Aligned and honed main bores
* 4340 forged crankshaft
* 4.50 in. stroke
* 4340 forged H-beam connecting rods
* Forged flat-top pistons