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Vehicle Info NeededMOPAR PERFORMANCEPART NUMBER: 312-P5007257
Heavy-Duty Cast Crankshaft 3.58" Stroke
$37899
Ships on Sep 14, 2026
Lowest Price GuaranteeCast Crankshaft
- Heavy-Duty Cast Crankshaft
- 3.58" Stroke
- 6-bolt
- 318/340/5.2L main
- Special, heavy duty performance crankshafts for the small block engine. Requires balancing. Also features 6-bolt pattern on crank flange. Fits 318/340/360 LA and 5.2L/5.9L Magnum engines. Use with Magnum Style Pilot Bearing 312-P4876056AA.
Part TypeCrankshaft
Product LineMopar Performance Cast Crankshaft 318/340/360
BrandMOPAR PERFORMANCE
Package Height7.8
Package Width8.2
Package Length26.6
Weight55.8 PG
Part CategoryPerformance Parts
Crankshaft MaterialCast iron
Rod Journal Diameter2.125 in (54 mm)
Main Journal Diameter2.5 in (63.5 mm)
LightenedNo
QuantitySold individually
Crankshaft Snout StyleStandard
Main Bearings IncludedNo
Engine BalanceInternal/External
Rod Bearings IncludedNo
Rear Main Seal Style2-piece
Balancer Bolt Thread Size (In.)3/4-16
Requires Narrow BearingsYes
Engine Stroke3.58 in (90.932 mm)
Vendor Part NumberP5007257
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
