Sale!

Comp Cams 54-428-11 GM LS Gen III/IV XFI RPM HI-LIFT Hydraulic Roller Camshaft XR281HR

Original price was: $515.99.Current price is: $100.00.

SKU: CNMT35378338144 Category:

Description

This Comp Cams 54-428-11 XFI RPM HI-LIFT 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 is best used with Fast LSX intake. A 10.0:1+ compression ratio and a 2600+ stall speed torque converter are highly recommended.

Comp Cams 54-428-11 Gen III/IV LS XFI RPM HI-LIFT 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: 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. 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!

Reviews

There are no reviews yet.

Be the first to review “Comp Cams 54-428-11 GM LS Gen III/IV XFI RPM HI-LIFT Hydraulic Roller Camshaft XR281HR”

Your email address will not be published. Required fields are marked *