COMP Cams Camshaft LS1 XEr287HR-12 - 54-448-11

XFI XE-R 238/240 Hydraulic Roller Cam for GM LS GEN III/IV

Application: Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

Xtreme Energy XE-R design for large cubic inch LS6 and LS1.

XFI Xtreme Energy-R 238/240 Hydraulic Roller Cam

• Newest and quickest lobe profiles in the Xtreme family.
• Features a wider lobe separation without loss of responsiveness.
• Tuned for use in EFI applications where extra air flow signal through the carburetor is not required.
• Newest and quickest lobe profiles in the Xtreme family.
• Tuned for use in EFI applications where extra air flow signal through the carburetor is not required.
• Provides a terrific increase in performance.
• Works well with aftermarket cylinder heads.