COMP Cams ID Spring Seats 1.5 X 570 X 7 - cca4772-4 import_2022_03_21_012537 all of these fail

all of these fail

8L PartNumber : afe49-48062-P Description : aFe Rebel Series 2

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COMP Cams ID Spring Seats 1.5 X 570 X 7 - cca4772-4 import_2022_03_21_012537 all of these failThe older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem a thin, hardened steel alloy seat which will not only protect the head and shim but also locate and hold the spring in place. Previously, this part has been available only in a cup form with the retaining portion being on the outside of the part. This