Crane Cams Cylinder Head Pressurization Kit

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When changing the valve springs on an assembled engine while using one of our exclusive valve spring compressors, or performing other maintenance that requires your cylinders to be pressurized, this convenient kit provides a quick and economical method to accomplish this. The kit contains a premium quality hose, having an o-ringed 14mm and 18mm threaded adaptor at one end to thread into the spark plug hole, while the other end has a female 1/4'' NPT threaded brass fitting to receive your choice of quick-disconnect adaptors. There's also a long 14mm threaded adaptor for aluminum heads, to provide better sealing and providing superior thread engagement.