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.

• 4.250 in stroke
• 6.385 in rod length
• Internal balance.
• 496 - 540 cid
• 70 lbs