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Part# 85066 These Standard Weight 4340 Forged Crankshafts are great for applications that demand superior strength without the need for extra lightening. Features include: straight shot oil holes, nitride hardened for superior wear resistance, lightening holes in all rod throws, large radius on all journals, precision ground, heat treated, stress relieved & shot peened, inspected & micropolished. These do not have drilled mains. - 4.500 in stroke
- 6.535 in rod length
- 572, 598, 604 cid
- internal balance
- 70 lbs
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