Hydraulic Roller - Xtreme Energy: High performance street machines, 2000+ stall, gears, choppy idle.; 276/282 Advertised Duration, 224/230 Duration .050", .502"/.510" Lift, 110 Lobe Separation; 1900 to 5600 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;
