COMP Cams 689-422-13 XFI AFM Hyd. Roller Camshaft, 1800-6700 RPM
Chevy LS V8, Hydraulic Roller Tappet Camshaft Type, 1800 to 6700 RPM Range, 282 Intake Duration
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For more than 35 years, the COMP Cams mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams as the absolute leader in valve train components.
- Newest & quickest lobe profiles in the Xtreme family; provide a terrific increase in performance
- Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation without loss of responsiveness)
- Work well with aftermarket cylinder heads & feature high lift
Application2008-15 Chevy 294-427
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Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!