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LM7 5.3L 853 Heads... Valve sizes?

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Old 01-22-2009, 05:40 PM
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Default LM7 5.3L 853 Heads... Valve sizes?

Does anyone know what the measurements for these are?
I know the diameter of the intake valves are 1.89"
and the diameter of the exhaust valves are 1.55".

But i need to know the length and diameter of the of the valve stems and how fat the groove is up from the end? or if there are any links to reference the total measurements of the valves?
Old 01-22-2009, 05:54 PM
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Stem diameter is 8mm. Length is roughly 4.915 inches. I'm not sure on the groove.
Old 01-22-2009, 06:05 PM
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alright i appreciate it, if anyone knows about the groove let me know



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