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The Moroso GM LS valve cover breather kit in OEM style is configured for LS valve covers with a double-tab oil fill hole. Built to match the double-tab layout, the kit supplies a breather solution that aligns with the cover’s existing fill-hole arrangement, maintaining a tidy appearance and providing a filtered vent point suited to those LS cover designs.
Moroso GM LS Valve Cover Breather Kit - OEM - Double Tab Oil Fill Hole
