Hydraulic Roller - Computer Controlled: High performance street for modified TPI, 2000+ stall. Requires custom tuning.; 276/290 Advertised Duration, 220/230 Duration .050", .510"/.510" Lift, 114 Lobe Separation; 1800 to 5800 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;
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