Description

This Comp Cams 54-457-11 LSR Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Comp designed this cam specifically for max torque on the street/strip in 4.8L – 5.7L engines with Cathedral Port Cylinder Heads, and it features steady power throughout and broad range. Needs aftermarket airflow improvements on inlet and exhaust. A 10.0:1+ compression ratio and a 2100+ stall speed torque converter are highly recommended.

Comp Cams 54-457-11 Gen III/IV LSR Hydraulic Roller Camshaft Specs:

• For Gen III/IV LS engines from 1997 through Present
• For use with Cathedral Port Cylinder Heads
• 3-Bolt Camshaft Gear Attachment
• Basic RPM Range: 1700 to 6800
• Valve Lift Intake: .610
• Valve Lift Exhaust: .617
• Intake Duration: 273
• Exhaust Duration: 281
• Intake Duration at .050: 223
• Exhaust Duration at .050: 231
• Lobe Separation: 112
• Firing Order: 1-8-7-2-6-5-4-3
• Made in the USA

Notes: Stock (O.E.) valve springs can NOT be used. Requires custom programmer/tuning.

Comp Cams designed this hydraulic roller camshaft for high performance on the street and at the drag strip.

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