COMP Cams Camshaft GM LS1 & LS6 XFI 278 - 54-501-11

XFI 243/248 Solid 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)

Street/strip, superb mid and upper RPM power. Intake upgrade recommended. Programmer and valve spring upgrade required.

• 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.