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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
The block is paired with a Callies Ultra billet 4
Borowski Race Engines was at the front of the line for the latest Dart LS Next product release
We are not fans of the excessive lightening we see on other billet blocks
200" deck heights available for stroker engines
370ci LS Shortblock for Boost with Callies 8 CWT Crank Piston:Flat Top The block is paired withThis short block is intended for light boost to about 1,100 crank horsepower. The Callies Compstar center counterweighted crank with stock stroke brings a lot to the party. Having 8 instead of 6 counterweights increases stiffness by 25%. Harmonics are reduced because each cylinder has its own two counterweights. These two factors combine to minimize crank flexing thereby protecting the block, bearings and rods from excessive wear and fatigue. We have