Valve Spring Shim, 305HP, 1.437" O.D., .765" ID, .060" |
| Item Number: DUR30560 |
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Valve Spring Shim
When setting spring height, shims must be used to equalize the installed height of the valve spring. These spring shims are made of the highest quality shim stock and heat-treated to stand up to the immense pounding of the radical lobes of today's cams. |
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