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Hot Rods

Hot Rods 4149 Stroker Crankshaft Assembly (+3mm, 264cc)


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

All new assembly sold complete with Hot Rods connecting rod.
Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance.
Ready for installation.
Crankshaft is completely rebuildable with genuine Hot Rods connecting rods.
Stroker crankshaft assembly add 1.5mm to 5mm of stroke depending on application; in some cases cylinder head must be modified or special pistons used (as noted).
Main bearings not included.
Uses stock piston..
When using Cylinder Works #21002-k01 makes 285cc.
Yamaha YZ250F 2003-2013

Please Note: