Comp Cams 54-602-11 GM LS Gen III/IV Big Mutha' Thumpr Hydraulic Roller Camshaft 291THR9
This Comp Cams 54-602-11 Big Mutha' Thumpr Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Comp designed this cam specifically for street/strip use with Cathedral Port Cylinder Heads, and it features a very rough idle. A 9.5:1+ compression ratio, intake, gears, headers and a 3000+ stall speed torque converter are highly recommended.
Comp Cams 54-602-11 Gen III/IV LS Big Mutha' Thumpr 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: 2600 to 6800
- Valve Lift Intake: .573
- Valve Lift Exhaust: .558
- Intake Duration: 291
- Exhaust Duration: 311
- Intake Duration at .050”: 235
- Exhaust Duration at .050”: 249
- 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. Requires custom programmer/tuning.
Comp Cams designed this hydraulic roller camshaft for high performance on the street and at the drag strip.
Comp Cams - The Absolute Leader In Valve Train Technology!
Original: $541.95
-65%$541.95
$189.68Comp Cams 54-602-11 GM LS Gen III/IV Big Mutha' Thumpr Hydraulic Roller Camshaft 291THR9
This Comp Cams 54-602-11 Big Mutha' Thumpr Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Comp designed this cam specifically for street/strip use with Cathedral Port Cylinder Heads, and it features a very rough idle. A 9.5:1+ compression ratio, intake, gears, headers and a 3000+ stall speed torque converter are highly recommended.
Comp Cams 54-602-11 Gen III/IV LS Big Mutha' Thumpr 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: 2600 to 6800
- Valve Lift Intake: .573
- Valve Lift Exhaust: .558
- Intake Duration: 291
- Exhaust Duration: 311
- Intake Duration at .050”: 235
- Exhaust Duration at .050”: 249
- 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. Requires custom programmer/tuning.
Comp Cams designed this hydraulic roller camshaft for high performance on the street and at the drag strip.
Comp Cams - The Absolute Leader In Valve Train Technology!
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Description
This Comp Cams 54-602-11 Big Mutha' Thumpr Hydraulic Roller Camshaft fits the Gen III/IV LS engines from 1997 through Present. Comp designed this cam specifically for street/strip use with Cathedral Port Cylinder Heads, and it features a very rough idle. A 9.5:1+ compression ratio, intake, gears, headers and a 3000+ stall speed torque converter are highly recommended.
Comp Cams 54-602-11 Gen III/IV LS Big Mutha' Thumpr 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: 2600 to 6800
- Valve Lift Intake: .573
- Valve Lift Exhaust: .558
- Intake Duration: 291
- Exhaust Duration: 311
- Intake Duration at .050”: 235
- Exhaust Duration at .050”: 249
- 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. Requires custom programmer/tuning.
Comp Cams designed this hydraulic roller camshaft for high performance on the street and at the drag strip.
Comp Cams - The Absolute Leader In Valve Train Technology!
