| GM LS Gen III/IV Three-Bolt; Hydraulic Roller; 2600-7200 RPM Range; 243 Degree Intake Duration @ 0.050 Inch Lift; 259 Degree Exhaust Duration @ 0.050 Inch Lift; 0.624 Inch Intake Valve Lift; 0.624 Inch Exhaust Valve Lift; 114 Degree Lobe Separation
HYDRAULIC ROLLER-Excellent top end and high rpm power for race style LS engines with aftermarket rectangular port cylinder heads. | 
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