Comp Cams CL54-428-11 GM LS Gen III/IV XFI RPM HI-LIFT Hydraulic Roller Camshaft and Lifter Kit

This Comp Cams CL54-428-11 XFI RPM HI-LIFT Hydraulic Roller Camshaft and Lifter Kit fits the Gen III/IV LS engines from 1997 through Present. Comp designed this as a high RPM street/strip cam for use with a LS6 or FAST LSX intake. Computer modifications are required.

Comp Cams CL54-428-11 Gen III/IV LS XFI RPM HI-LIFT Hydraulic Roller Camshaft & Lifter Kit Specs:

• For Gen III/IV LS engines from 1997 through Present
• Includes Camshaft 54-428-11 and Lifter Set 850-16
• 3-Bolt Camshaft Gear Attachment
• Basic RPM Range: 2200 to 7200
• Valve Lift Intake: .571
• Valve Lift Exhaust: .573
• Intake Duration: 281
• Exhaust Duration: 283
• Intake Duration at .050”: 228
• Exhaust Duration at .050”: 230
• 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.

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

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