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- 3.875-400-2.100 RL6.000 NO BAL
Pro Seriesâ?¢; Crankshaft; Stroke 3.875 in.; Main Dia. 2.648 in.; Pin Dia. 2.1 in.; Rod Length 6 in.; Chevrolet Small Block V8;
Part TypeCrankshaft
BrandLUNATI
Package Height10.0
Package Width10.0
Package Length32.0
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
Main Bearings IncludedNo
Engine BalanceInternal
Rod Bearings IncludedNo
Rear Main Seal Style2-piece
Balancer Bolt Thread Size (In.)7/16-20
Requires Narrow BearingsYes
Part FitmentSemi Universal
Engine Stroke3.875 in (98.425 mm)
Vendor Part NumberAM211DN
Package Qty1
Package TypeEA
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