COMP Cams Xtreme Energy Hydraulic Flat Tappet Camshaft - 110 LSA - Big Block Chevy 11-234-3 Throttle Return Spring Bracket and serious competition

and serious competition

and necessary hardware

500 in Rectangle Port

09-14 F150

They're SFI 20-approved

COMP Cams Xtreme Energy Hydraulic Flat Tappet Camshaft - 110 LSA - Big Block Chevy 11-234-3 Throttle Return Spring Bracket and serious competitionComp Cams Xtreme Energy Hydraulic Flat Tappet Camshaft 110 LSA Big Block Chevy 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, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power