NOTE STROKER CRANK + 4MM (+2mm at TDC -2mm at BDC)
This Is A Brand New Complete + 4 Stroker Crankshaft Assembly To Fit The Yamaha RD 350YPVS 31K IUA F1, F1 Etc
This Is A All New Crankshaft Made By Hotrods, It Is A + 4mm Stroke, So Modifications Are Required To Fit This Crankshaft Into Your Engine.
Comes With New Con Rod Kits, Big End Bearings Main Bearings, All New Flywheel Webs And Pins ETC In A Word A Brand New Crankshaft Ready To Drop In To Your Cases.
The Con Rods Are +5mm longer. Can Produce up to 403cc With The Correct Pistons
Important: Requires Long Rod pistons Like Vertex #23670, Wiseco #795 Or Wossner #8252
Note Hot Rod Has Rubber O-rings around there main bearings to stop them from spinning
These Are An All-New Crankshaft, They Are Not Rebuilt From Used Parts.
Road Bike Parts 