LSR Rectangular Port 231/247 Hydraulic Roller Cam for GM LS GEN III/IV
HYDRAULIC ROLLER-Very wide power range and excellent midrange torque for LS engines with rectangular port cylinder heads.
SKU 54-469-11
Grind Number: 281LRR HR-13
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,000-7,000
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Rectangular Port All Out Power
Camshaft Gear Attachment: 3-Bolt
Valve Springs Required: Yes
Camshaft Material: Billet Steel
Advertised Intake Duration: 281
Advertised Exhaust Duration: 297
Intake Duration at .050 Inch Lift: 231
Exhaust Duration at .050 Inch Lift: 247
Intake Valve Lift: 0.617
Exhaust Valve Lift: 0.624
Lobe Separation: 113
Assembly Lubricant Included: No
Intake Centerline: 109
Lobe Lift Intake: 0.363
Lobe Lift Exhaust: 0.367