Edelbrock Heads Sound Like They're Terrible

273 said

When building an engine nothing should be taken for granted. My cousin had a set of RHS and the intake valve seized in the guide.

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...pretty sure it happens to every aftermarket mfr. AFR used to install valves that were too heavy and springs that weren't suited for anything north of 6k rpm, but yet they advertised up to 6500 but people bought them in droves.