Seller notes

Ships same/next business day hassle-free returns 100% satisfaction guaranteed combined shipping available S&S Cycle Compression Release Kit 90-4915 Description ELECT COMPRESSION RELEASE S&SDesigned to be used in S&S cylinder heads for Twin Cam, 4 bore Evolution Big Twin, and Super Sidewinder Plus style S&S engines Consists of a small valve that opens during starting and allows a portion of the cylinder pressure to escape into the exhaust port of the cylinder head Reduced cylinder pressure makes ...

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