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COMP Cams 54-457-11 LSR Cathedral Port 223/231 Hydraulic Roller Cam for GM LS GEN III/IV
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Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
Steady power throughout broad range. Needs aftermarket airflow improvements on inlet and exhaust.
Hydraulic Roller: Steady power throughout broad range. Needs aftermarket airflow improvements on inlet and exhaust.
Specifications
| Exhaust Duration at .050 inch Lift | 231 DD |
| Advertised Intake Duration | 273 DD |
| Advertised Exhaust Duration | 281 DD |
| Lobe Separation | 112 DD |
| Intake Valve Lift | 0.61 IN |
| Exhaust Valve Lift | 0.617 IN |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Assembly Lubricant Included | No |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Billet Steel |
| Lifter Type | Hydraulic Roller |
| Engine Family | GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) |
| Camshaft Series | LSR Cathedral Port Small Displacement/Max Torque |
| Cam Type | Hydraulic Roller |
| Grind Number | 273Lr HR12 |
| Basic Operating RPM Range | 1,700-6,800 R3 |
| Intake Duration at .050 Inch Lift | 223 DD |
| Grind Number | 273Lr HR12 |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
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Shipping: Free to the USA.
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