COMP Cams Engine Tolerance Checking Springs Low Tension Pair
Highlights
- Sold As A Pair
- For Engine Building
- Easily Check Clearances
- Simple Installation
Pair of COMP Cams Low Tension Engine Tolerance Checking Springs.
These Engine Tolerance Checking Springs (4758-2) make testing valve clearance easily. Sold as a pair, these springs replace your valve springs when checking valve to piston clearances. They are also great for cam degreeing, and more.
Features and Benefits:
- Low tension
- Simple installation
- Sold as a pair
- Used for checking valve clearance
- Used for rocker ratio
- Used for cam degreeing
Checking the internal tolerances is important when building any engine. These springs are soft enough to be installed by hand, and make turning your engine over during construction easy.
California Residents: Proposition 65 Warning

Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following C10 years:
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
This product will fit the following F-100 years:
- 1948,
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,
- 1954,
- 1955,
- 1956,
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following Mustang years: