XFI Xtreme Energy-R 238/240 Hydraulic Roller Cam for GM LS GEN III/IV
54-448-11
XFI™ Xtreme Energy-R 238/240 Hydraulic Roller Cam for GM LS GEN III/IV. Xtreme Energy XE-R design for larger cubic inch LS6 and LS1. Race Only Applications.
Grind Number: XER287HR
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,800-7,200
Cam Type: ydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: XFI XE-R
Camshaft Gear Attachment: 3-Bolt
Usage: Street/Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
Advertised Intake Duration: 287
Advertised Exhaust Duration: 289
Intake Duration at .050 Inch Lift: 238
Exhaust Duration at .050 Inch Lift: 240
Intake Valve Lift: 0.605
Exhaust Valve Lift: 0.609
Lobe Separation: 112
Assembly Lubricant Included: No
Intake Centerline: 110
Lobe Lift Intake: 0.356
Lobe Lift Exhaust: 0.358
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