Originally posted by Tom Slick
In some endurance and most oval track applications, it is necessary to use a rev kit for the lifter to precisely follow the profile of the cam. This ensures that in the event of push rod breakage or rocker arm faillure, the lifter will not come out of the bore. Fits Comp Cams fill round body lifters.
And yes I run a Crower rev kit in my 406. ;)
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