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The Moroso universal spark plug hole air hose kit supplies hoses and fittings to access spark plug holes for air or pressure-based checks during engine service. Designed to adapt to a range of plug hole sizes, the kit is intended for cylinder isolation, pressure testing, or other maintenance tasks that require sealing a plug hole to apply air safely while diagnosing or servicing the engine.
Moroso Universal Spark Plug Hole Air Hose Kit
