Spool Nissan RB26 - RB29 Stroker Crankshaft
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Spool RB29 Full Counter weight 4340 Billet Crankshaft with a 79mm stroke.
This is a true billet crankshaft machined from Billet 4340 core stock (not a cast forging blank that is final machined).
Each crank is machined from core stock 4340 on a CNC machine, then Nitrided and final ground.
With the increased cubic capacity from the 79mm stroker crank, big increases in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.
