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Molnar 4340 Forged Crankshaft, 4.000" Stroke, 3.25" mains, 421-428 Block, 2.250" Pontiac RJ

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MTE-421-4000UU6F
Molnar Forged Crankshaft
3.25" Main Journal Size
4.000" Stroke
2.250" PONTIAC Rod Journal
6.625" Rod Length
2.75" hub register
Availability:
Pricing: $1,299.95

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Description

Butler Tech Library
Internal or External Balance — Which Crank Do You Need?
Your crank, balancer, and flexplate all have to agree, and a 4.250" or 4.500" stroke needs block clearancing. Get this right before anything goes together.
Read the Balance Guide ›

Details

  • MTE-421-4000UU6F
  • MTE-421-4000UU6F
  • Molnar
  • New

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Shipping Information

  • Item Requires Shipping
  • 77.0 lbs.

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