Fitment and Product Information:
LSR Cathedral Port 231/239 Hydraulic Roller Camshaft For GM LS GEN III/IV
Brandname: Comp Cams
Part Number: 54-459-11
Description:
- Very wide power range and excellent mid-range torque for LS engines with cathedral port cylinder heads.
Specifications:
- Camshaft Series: LSR Cathedral Port All Out Power
- Cam Type: Hydraulic Roller
- Grind Number: 281LR HR-13
- Basic Operating RPM Range: 2,000-7,000
- Intake Duration at .050 Inch Lift: 231 Diameter
- Exhaust Duration at .050 inch Lift: 239 Diameter
- Advertised Intake Duration: 281 Diameter
- Advertised Exhaust Duration: 289 Diameter
- Lobe Separation: 113 Diameter
- Intake Valve Lift: 0.617 in.
- Exhaust Valve Lift: 0.624 in.
- Lifters Included: No
- Valve Springs Required: Yes
- Assembly Lubricant Included: No
- Camshaft Gear Attachment: 3-Bolt
- Camshaft Material: Billet Steel
- Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
- Lifter Type: Hydraulic Roller








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