Description
This Comp Cams 54-451-11 XFI Xtreme Truck 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 significant gains in mid & upper RPM range. Exhaust upgrade needed for best performance. A 10.0:1+ compression ratio and a 1500+ stall speed torque converter are highly recommended.
Comp Cams 54-451-11 Gen III/IV LS XFI Xtreme Truck 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: 1000 to 5700
- Valve Lift Intake: .554
- Valve Lift Exhaust: .558
- Intake Duration: 261
- Exhaust Duration: 265
- Intake Duration at .050”: 208
- Exhaust Duration at .050”: 212
- Lobe Separation: 115
- 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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