Attributes

Key Value
Balancer Bolt Thread Si.7/16 in.-20
BrandLunati
Crankshaft MaterialForged 4340 steel
Crankshaft Snout StyleStandard
Engine BalanceInternal
Engine Stroke (in.)4.250 in.
LightenedNo
Main Bearings IncludedNo
Main Journal Diameter (.2.648 in.
Manufacturer's Part.60242501
Part TypeCrankshafts
Product LineLunati Signature Series.
QuantitySold individually.
Rear Main Seal Style2-piece
Requires Narrow BearingsYes
Rod Bearings IncludedNo
Rod Journal Diameter (i.2.100 in.
Summit Racing Part Numb.LUN-60242501
UPC788120774734
Weight52.000 lbs.
© 2025 · Data Alchemy · Version 60 · ts:1760052239
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