Mr. Gasket cam buttons are an absolute necessity for roller cam conversions and useful to maintain accuracy in any cam installation. Cam buttons keep the camshaft from moving in and out and causing erratic timing.
A camshaft button, or camshaft thrust bumper installs into the hole in the front end of the camshaft and prevents camshaft walk in roller camshaft applications. Flat tappet cams are ground with a small angle in the lobes that puts a side load on the camshaft. Without this a camshaft has a natural tendency to move or walk, out of the block when rotating. Roller cam lobes can't be ground that way so engines originally equipped that way usually use a retainer plate to secure them. The camshaft button serves the same purpose, but it does so by contacting the timing cover to prevent movement. If you have an engine already converted, a worn or missing cam thrust bumper will result in too much end play, resulting in erratic timing and should be checked.
Features:
Mandatory to prevent cam walk in roller cam conversions
Helps maintain accurate timing
Made from aluminum
Fitment:
- 1955 Chevrolet Corvette
- 1956 Chevrolet Corvette
- 1957 Chevrolet Corvette
- 1958 Chevrolet Corvette
- 1959 Chevrolet Corvette
- 1960 Chevrolet Corvette
- 1961 Chevrolet Corvette
- 1962 Chevrolet Corvette
- 1963 Chevrolet Corvette
- 1964 Chevrolet Corvette
- 1965 Chevrolet Corvette
- 1966 Chevrolet Corvette
- 1967 Chevrolet Corvette
- 1968 Chevrolet Corvette
- 1969 Chevrolet Corvette
- 1970 Chevrolet Corvette
- 1971 Chevrolet Corvette
- 1972 Chevrolet Corvette
- 1973 Chevrolet Corvette
- 1974 Chevrolet Corvette
- 1975 Chevrolet Corvette
- 1976 Chevrolet Corvette
- 1977 Chevrolet Corvette
- 1978 Chevrolet Corvette
- 1979 Chevrolet Corvette
- 1980 Chevrolet Corvette
- 1981 Chevrolet Corvette
- 1982 Chevrolet Corvette
- 1984 Chevrolet Corvette
- 1985 Chevrolet Corvette
- 1986 Chevrolet Corvette
- 1987 Chevrolet Corvette
- 1988 Chevrolet Corvette
- 1989 Chevrolet Corvette
- 1990 Chevrolet Corvette
- 1991 Chevrolet Corvette
Details
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