4340 FORGED STD WEIGHT (51-54LBS)
PBM 4340 Forged Standard Weight Crankshafts
PBM’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With our premium non-twist forgings, machined to exact specifications big and reliable cubic inches can be made.
- Precision ground & micro polished
- Heat treated & ion nitrided
- Straight shot & chamfered oil holes
- Lightening holes & large radii on all journals
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