Vehicle Fitment Information
None of these can be ordered right now. Tap Notify Me on the option that fits your ride and we'll email you as soon as it's back in stock.
Bolt-on kit, works with the stock crankcases. 4 1/4" bore cylinders with a new 11:1 forged piston design. When paired with an S&S 4.625" stroker flywheel (sold separately), engine will be a true 131 cubic inches. Retains stock engine height. Kits include 0.045" MLS head gaskets, and 131" cam cover badge. Made in the U.S.A.
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