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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
The Callies 8-counterweight stroker crank gives us additional displacement
New Filter
increased strength and improved heat dissipating characteristics
Available in 1X and 4X
we like to use fully counterweighted crankshafts in our engine builds
LT1/LT4 Cylinder Head Porting & Upgrade Service Shaft Mount Rockers The Callies 8-counterweight stroker crankOur CNC porting of GM LT heads significantly improves airflow of these heads. The stock LT heads are known to have valve guide wear issues. We replace the factory guides with CHE valve guides made from CHE's proprietary bronze alloy. This extends the heads' longevity. We know what makes power and also survives the beating of competition. It's not chasing peak air flow at max lift by excessively cutting away the metal around the valve guides. Peak air
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