Comp Cams CL54-601-11 GM LS Gen III/IV Mutha Thumpr Hydraulic Roller Camshaft and Lifter Kit

This Comp Cams CL54-601-11 Mutha Thumpr Hydraulic Roller Camshaft and Lifter Kit fits the Gen III/IV LS engines from 1997 through Present. Comp designed this cam for high performance street/strip use, and it features a rough idle. A 9.5:1+ compression ratio, intake, headers, lower rear end gears and a 2700+ stall speed torque converter are highly recommended.

Comp Cams CL54-601-11 Gen III/IV LS Mutha Thumpr Hydraulic Roller Camshaft & Lifter Kit Specs:

• For Gen III/IV LS engines from 1997 through Present
• Includes Camshaft 54-601-11 and Lifter Set 850-16
• 3-Bolt Camshaft Gear Attachment
• Basic RPM Range: 2300 to 6600
• Valve Lift Intake: .563
• Valve Lift Exhaust: .546
• Intake Duration: 283
• Exhaust Duration: 303
• Intake Duration at .050: 227
• Exhaust Duration at .050: 241
• Lobe Separation: 109
• 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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