131" Stroker Cylinder and Piston Kit with Black Granite, Highlighted Fins for 2017-Up M8 Models Derby Cover Every wheel has unique features

Every wheel has unique features

3 May not be compatible with H-D® Power Lock Kit

1997-2008 Summit Fender (dual

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131" Stroker Cylinder and Piston Kit with Black Granite, Highlighted Fins for 2017-Up M8 Models Derby Cover Every wheel has unique featuresS&S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight platform (2017 and newer big twins) and open up a whole new level of performance for these engines. Combining a new design forged piston with their 4. 25 cylinders to net a tire melting 131 cubic inches when paired with their 4. 625 stroker crank. We build our big bore kits and cranks to much tighter