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S&S 131″ and 136″ Big Bore Kits for Milwaukee Eight Strokers

DECEMBER 2023: In the continuous pursuit of horsepower, bigger is always better, and that’s where S&S comes in with their biggest big bore kit yet!

In the continuous pursuit of horsepower, bigger is always better, and that’s where S&S comes in with their biggest big bore kit yet!

Take your stock cases or their recently released MK-Series crankcase and match them to these massive 4.320” bore cylinders and pistons. When paired with the 4⅝” Stroker flywheel, this combination results in a heart-pounding 136” monster of an M8 engine that still perfectly fits in the stock chassis.

Available with highlighted fins, non-highlighted fins, and Black Granite options, there is sure to be a finish to fit your build.