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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
increased strength and improved heat dissipating characteristics
we like to use fully counterweighted crankshafts in our engine builds
Available in 1X and 4X
New Filter
We will also be happy to help you source parts
LT1/LT4 Cylinder Head Porting & Upgrade Service Shaft Mount Rockers increased strength and improved heatOur 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