Genuine Subaru Impreza WRX Camshaft Plug

The Subaru Impreza WRX Camshaft Plug is responsible for keeping oil contained in the cylinder head and away from valve timing components. The Camshaft Plug sits snugly at the back of the head, frequently doused with hot oil but always stays put so the pressure cannot drop. Every cam lobe gets the cooling film it needs for a stable drive on the road, meaning the Subaru boxer blocks of the Impreza WRX won't suffer dry metal contact through unrestricted revs. Over the years of shaping the cast Camshaft Plug for single or double overhead cam configuration applied in the performance-oriented Impreza WRX lineup, there were two body designs, one being a rubber coated metal cap and the other being a heat resilient molded synthetic version. Both variations feature a manual press. This allows owners to quickly apply a safeguard that helps to keep the under hood of every Subaru clean, rather than stained with oil mist. Because the Camshaft Plug blocks the only exit of the rear cam, oil is evenly distributed throughout, which keeps the lift and duration consistent. This is a difference that drivers can feel in the throttle response and idle of any trim year Impreza WRX. This little part regularly comes out on top in reliability rankings. If a seeping Camshaft Plug costs you power, changing it will often return things to normal. It also helps trim emissions. Subaru has a good reputation for durability more widely. The upgraded synthetic seal can withstand heat soak caused by track sessions, it won't harden with daily traffic and can withstand the vibrations of the flat four engine on every Subaru Impreza WRX. Because it shares dimensions across many model years, one Camshaft Plug will service a classic bugeye, a hawkeye, or a modern widebody Impreza WRX, making stocking up on spares easy for preventative-minded enthusiasts. This Camshaft Plug is a lightweight of loyalty, just like Subaru itself.

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