Made in USA
Pro Series Crankshaft Big Block Chevy
Product Discontinued
LUNATIPART NUMBER: 638-BQ421KN

Pro Series Crankshaft Big Block Chevy

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Pro Series Crankshaft
    Pro Series Crankshaft
  • Big Block Chevy
  • Stroke: 4.500 in.
  • Main Bearing: 2.750 in.
  • Rod Journals: 2.200 in.
  • Minimum Rod Length: 6.535 in.
  • Rear Main Seal: 2-piece

    Pro Series; Crankshaft; Stroke 4.5 in.; Main Dia. 2.750 in.; Pin Dia. 2.2 in.; Rod Length 6.535 in.; Chevrolet Big Block V8;
Part TypeCrankshaft
BrandLUNATI
Package Height10.0
Package Width10.5
Package Length31.5
Weight83.0 PG
Part CategoryPerformance Parts
Vendor Part NumberBQ421KN
Package Qty1
Package TypeEA
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