Small-Block Chevy Bolt-Ons - Quick-And-Easy Bolt-On 70 HP
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In addition to the hydraulic roller, we added a set of Comp Cams Ultra-Gold aluminum 1.6:1 roller rockers to help pump up the lift. Since these heads will increase airflow well past 0.600-inch lift, we could have used more lift, which might have pushed this small-block above 500 hp. View Related Article
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