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

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

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!

$189.68

Original: $541.95

-65%
Comp Cams 54-428-11 GM LS Gen III/IV XFI RPM HI-LIFT Hydraulic Roller Camshaft XR281HR

$541.95

$189.68

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

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!

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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!