Hotrod's Inc

Hot Rods Stroker Crankshaft Yamaha 4173

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Hot Rods heavy duty drop-in stroker crankshafts
Not only do these stroker cranks bring about a heightened level of performance and increased displacement, but they do so without costly case machining, custom cams chains or spacer plates
Utilizes the engine's stock piston
All stroker crankshafts are sold complete and ready for installation with the original proven Hot Rods connecting rods, top end bearings and crankshaft webs
Factory assembled and trued
Heavy duty (04-05)(+4.4mm stroke) makes 470cc
Heavy duty (06-08)(+3mm stroke) makes 471cc
Bolt in and go!
When using Cylinder Works #21001-K01 makes 500cc
Does not fit fuel injected R or K models

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