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Manley Chevrolet LT1 Directed Injected 4340 Forged 4.00in Stroke Pro Series Crankshaft

SKU: MAN194258

Crankshafts

MAN Forged Crankshafts...

Manley Chevrolet LT1 Directed Injected 4340 Forged 4.00in Stroke Pro Series Crankshaft

SKU: MAN194258

Crankshafts

MAN Forged Crankshafts...

A$2,963.19
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

we're providing the core strength your engine build demands. The Pro Series 4340 Alloy Steel Crankshaft is an efficient and precisely balanced foundation for performance, built not just to survive, but to handle extremes across a wide range of applications.

Part Type

Engine Crankshaft

Data: v4.2 - Upd: 2026-10-13 17:07:37

Features

  • 100% magnaflux-inspected
  • 4340 Non-Twist Forging: Lightweight, high-strength design for max performance
  • Gun-drilled mains and lightened journals cut weight
  • Heat-treated and nitrided for durability
  • Micro-polished journals reduce friction

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
194258
Product Attributes - Part Type
Crankshafts
Product Attributes - Product Line
Manley Pro Series Crankshafts
Product Attributes - UPC
807298096872
Product Attributes - Engine Stroke (in.)
4.000 in.
Product Attributes - Crankshaft Material
Forged 4340 steel
Product Attributes - Engine Balance
Internal
Product Attributes - Rear Main Seal Style
1-piece
Product Attributes - Reluctor Wheel Tooth Quantity
58
Product Attributes - Lightened
Yes
Product Attributes - Requires Narrow Bearings
Yes
Product Attributes - Rod Bearings Included
No
Product Attributes - Main Bearings Included
No
Product Attributes - Rod Journal Diameter (in.)
2.100
Product Attributes - Main Journal Diameter (in.)
2.559 in.
Product Attributes - Crankshaft Snout Style
Standard
Product Attributes - Weight
53.000 lbs.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Not intended for use with highly boosted roots style cog belt superchargers.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man194258
SFX Item ID 4060208
Supplier Item Code 4060208
Manufacturer SKU 194258
Manufacturer UPC 807298096872
Alternative References LT1, 4.00in

Compatibility

Application Data
  • Application NotesNot intended for use with highly boosted roots style cog belt superchargers.
    Beginning Year2014
    Crankshaft to Flywheel/Flexplate Attachment8-bolt
    Ending Year2022
    Engine FamilyCHEVY SMALL BLOCK GEN V V8 GAS
    Engine Size6.2L/376
    Engine TypeV8
    MakeCHEVROLET
    Rod Length (application)6.125 in.
    Stroker CrankshaftYes

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