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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Main Bearings Size: Stock LS
IDLE BLEED allows adjustment of your idle without affecting throttle position or TPS voltages at idle
This shortblock has a seasoned GM crank paired with forged Callies rods and Diamond pistons
With the ProCharger kit
Callies Compstar Center Counterweighted LS Crankshaft Reluctor:58x Main Bearings Size: Stock LSAt Borowski Race Engines, we like to use fully counterweighted crankshafts in our engine builds. We believe the additional cost of 8 versus 6 counterweights is more than offset by the value delivered in engine longevity and performance. This design increases the stiffness of the crankshaft and reduces harmonics. The direct result is reduced flexing of the crank. The indirect results are greatly improved bearing life and a much stronger bottom end,
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