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4.250-400-2.100 RL6.125 N
LUNATI/HOLLEY 60242501 Features:
As the premium line of crankshafts offered by Lunati, Signature Series Crankshafts are the strongest you will find for your engine. The specialized non-twist 4340 forged steel construction comes completely profiled and detailed to our racing specs. Many design features such as gun drilled mains, lightened rod journals, micropolished journals and a windage reducing contoured wing counterweight profile make the Signature Series the best choice for serious racers.Part TypeCrankshaft
BrandLUNATI
Package Height2.5
Package Width5.25
Package Length26.0
Weight60.0 PG
Weight52 lb (23.583 kg)
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Rod Journal Diameter2.1 in (53.3 mm)
Main Journal Diameter2.648 in (67.259 mm)
LightenedNo
QuantitySold individually
Crankshaft Snout StyleStandard
Engine BalanceInternal
Rear Main Seal Style2-piece
Balancer Bolt Thread Size (In.)7/16-20
Requires Narrow BearingsYes
Part FitmentSemi Universal
Engine Stroke4.25 in (107.95 mm)
Vendor Part Number60242501
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
