XFI RPM HI-LIFT 228/230 Hydraulic Roller Cam for GM LS GEN III/IV
54-428-11
XFI™ RPM HI-LIFT 228/230 Hydraulic Roller Cam for GM LS GEN III/IV. High RPM street/strip camshaft for use with LS6 or aftermarket intake. Requires computer modifications.
Grind Number: XR281HR
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,200-7,200
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: XFI RPM Hi-Lift
Camshaft Gear Attachment: 3-Bolt
Usage: Street/Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
Advertised Intake Duration: 281
Advertised Exhaust Duration: 283
Intake Duration at .050 Inch Lift: 228
Exhaust Duration at .050 Inch Lift: 230
Intake Valve Lift: 0.571
Exhaust Valve Lift: 0.573
Lobe Separation: 112
Assembly Lubricant Included: No
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