Thread: Magnum Exhaust Valve Replacement
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Old January 4th, 2020, 08:43 PM
bigblockv6 bigblockv6 is offline
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Default Re: Magnum Exhaust Valve Replacement
Wonder if the 429/460 valves will work in my 478M because I'm using higher lift valve springs for the custom ground cam, ironically those higher lift valves springs fit Ford 390 applications.
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