$664.38
Restores smooth engine operation; built for heavy-duty service.
GM
Duramax
11-16
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Direct OE-style replacement; restores factory balance and damping.
Set of (6); reduces friction; improves valvetrain geometry.
Manufactured to OE standards; essential for engine longevity.
Increases valve seat pressure; prevents float at high boost.
Subtotal: $10,864.78
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