ls1 Nova running
Basic Operating RPM Range 2,800-7,200
Intake Duration at 050 inch Lift 238
Exhaust Duration at 050 inch Lift 240
Duration at 050 inch Lift 238 int./240 exh.
Advertised Intake Duration 287
Advertised Exhaust Duration 289
Advertised Duration 287 int./289 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.605 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.609 in.
Valve Lift with Factory Rocker Arm Ratio 0.605 int./0.609 exh. lift
Lobe Separation (degrees) 112
Intake Valve Lash 0.000 in.
Exhaust Valve Lash 0.000 in.
Computer-Controlled Compatible Yes
Grind Number LS1 XER287HR-12
Quantity Sold individually.
i think this is the one and the heads or stock heads ,my friends camaro the heads or from a 5.3 to get compression,pic will be here this week i tell iwas kinda leary but i know now it was worth it


