Will these heads work great with my ford racing x303 cam? Or should I buy upgraded valve springs to be safe?
Asked by Steven M. from palmdale |
As stated in the product description, these heads come equipped with valve springs that are capable of handling hydraulic roller camshafts with up to .550" lift. The .542" lift of the X303 cam falls below this threshold and a spring upgrade will not be needed..
Answered by Jonathan M.from Hewitt |
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