Spool Holden / GM LS V8 Billet 4340 4 inch Stroke crank

Spool LS V8 4 inch Stroker crank

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.

Rated at 1500HP plus

 

With the increased cubic capacity from the 4 inch 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.