Hydraulic Roller - Nitrous HP: 125+ HP nitrous or small supercharger, low gears, headers, 2200+ stall.; 276/288 Advertised Duration, 224/236 Duration .050", .502"/.520" Lift, 113 Lobe Separation; 2000 to 6000 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;
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