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The Brian Crower B58B30M Gen 1 stroker kit is a dedicated stroker solution built around a 100mm crank stroke and ProH625+ component specification. It is specified for BMW B58B30M Gen 1 engines and provides the mechanical stroke change required by builders working on that platform. Use it where a 100mm stroke stroker package for the B58 Gen 1 is called for.
Brian Crower BMW B58B30M Gen 1 Stroker Kit - 100mm Stroke/ProH625+
