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SPOOL 3.4L Stroker Crankshaft for Nissan RB30


 Product Description

Spool RB30 Full Counter weight 4340 Billet Crankshaft with a 94mm stroke.

RB34 Stroker Crank to Suit Nissan Skyline RB30 and Holden RB30 VL Commodore engines.

Pistons available for Twin cam cylinder head and SOHC cylinder head

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.  We have customers making over 1000 hp with our billet crankshafts 

The RB34 has a very similar rod/stroke ratio as the Nissan CA18 and Toyota 2JZ both of which love to rev and have been around a long long time.

With the increased cubic capacity from the 94mm stroker crank, increases of up to 50% in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.

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