Pay in 4 interest-free payments of $195.00 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Adjustable (more than stock)
Screws (gauge) Part # 8679 (four)
together with aerospace fasteners
84'-94' FXR MODELS AND 99'-'00 FXR MODELS (MID OR FORWARD CONTROLS)
Responds very well to increased bore and or compression
S&S 131" Big bore kit M8 Cylinder color finish:Wrinkle Black with Fin Highlights Adjustable (more than stock)S&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 tolerances
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