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![Big Block Chevy Billet 4340 Steel Crankshaft [4.250 in. Stroke]](https://www.jegs.com/images/mini_750/100/158/158-45442506385b.jpg)
Vehicle Info NeededBRODIXPART NUMBER: 158-45442506385B
Big Block Chevy Billet 4340 Steel Crankshaft [4.250 in. Stroke]
$1,79299
Ships on 09/23/2026
Lowest Price GuaranteeChevy Big Block
Billet
Billet
- Billet 4340 Steel Crankshaft
- Big Block Chevy
- 2-Piece Rear Main
- 4.250 in. Stroke
- 6.385 in. Minimum Rod Length
- 2.750 in. Main Journal
- 2.200 in. Rod Journal
- 77 lbs.
- 2300 Bobweight
- Internal Balance
Brodix 45442506385B billet crankshaft is machined from 4340 solid ingot steel to provide the utmost in strength and quality. Designed for Big Block Chevy engines with a 4.250 in. stroke and using a minimum length 6.385 in. connecting rod.
Premium Cranks for High-Performance Engines
Brodix 4340 Crankshafts are manufactured using quality steel material and come hardened with a deep nitride for superior strength and wear resistance. Available in a variety of journal and stroke sizes for customizing engine displacemnet.
Part TypeCrankshaft
Product LineBrodix 4340 Crankshafts
BrandBRODIX
Package Height8.0
Package Width8.0
Package Length28.0
Weight75.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialBillet steel
Rod Journal Diameter2.2 in (55.9 mm)
Main Journal Diameter2.749 in (69.825 mm)
LightenedNo
QuantitySold individually
Crankshaft Snout StyleStandard
Balancer Bolt Thread Size1/2-20 in.
Main Bearings IncludedNo
Engine BalanceInternal
Rod Bearings IncludedNo
Rear Main Seal Style2-piece
Requires Narrow BearingsNo
Part FitmentSemi Universal
Engine Stroke4.25 in (107.95 mm)
Vendor Part NumberBR C45442506385 B
Package Qty1
Package TypeEA
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