LSR Rectangular Port 219/235 Hydraulic Roller Cam for GM LS GEN III/IV
54-453-11
Specifications:
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 1,500-6,700
Grind Number: 269LRR HR-13
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Rectangular Port All Out Power
Usage: Street/Strip
Advertised Intake Duration: 69
Advertised Exhaust Duration: 285
Intake Duration at .050 Inch Lift: 219
Exhaust Duration at .050 Inch Lift: 235
Intake Valve Lift: 0.607
Exhaust Valve Lift: 0.621
Lobe Lift Intake: 0.357
Lobe Lift Exhaust: 0.365
Lobe Separation: 113
Intake Centreline: 109
Exhaust Close ATDC: 26
Intake Open BTDC: 24
Exhaust Open BBDC: 78
Intake Close ABDC: 64
Camshaft Gear Attachment: 3-Bolt