Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, Product Features:Excellent performance in street carbureted applications.More vacuum allows an increase in duration for improved performance and assists power brakes.Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
