Built specifically to compliment the Muzzy 840 Big Bore and 916 Billet Big Bore Kits, the combination achieves incredible power and torque increases. Included in the kit is a +6mm ion nitrided, dynamically balanced and micropolished stroked crankshaft. Two Carrillo® H-beam rods complete the kit to offer up to 999cc total displacement when used with the Muzzy 916cc Billet Big Bore kit. * NOTE - Crankshaft is not compatible with stock rods.
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