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The S&S CYCLE Compression Release Hole Plug 90-4916 is designed to provide an effective sealing solution for compression release holes in Harley-Davidson engines. Crafted in the U.S.A., this plug ensures durability and reliable performance in demanding riding conditions. It is an essential component for custom engine builds or repairs that require sealing of compression release holes to maintain optimal engine operation.
Constructed with high-quality materials, the S&S CYCLE plug offers a secure fit and resistance to engine heat and vibration. Its precision engineering guarantees a proper seal, preventing leaks that could compromise engine performance. This plug is specifically made for use on aftermarket or modified engines, and it is not suitable for use on OEM heads.
Installation is straightforward, making it a convenient choice for mechanics and DIY enthusiasts. The plug's compact design ensures it
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