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57 Hemi Engine Build

Upgrades to the basic XV kit include the cam and valvespring kits in Stage II and Stage III designations, rated at 400 and 420 hp, respectively. We went with the larger of these and found a healthy 438 hp.
5.7L Hemi Engine Build - Modern Mopar Muscle

Upgrades to the basic XV kit include the cam and valvespring kits in Stage II and Stage III designations, rated at 400 and 420 hp, respectively. We went with the larger of these and found a healthy 438 hp.  View Related Article