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Manley Pro Series Crankshafts 190340 Crankshafts, 1-piece Seal, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, Each

SKU: MAN190340

Crankshafts

Manley Pro Series Crankshafts 190340 Crankshafts, 1-piece Seal, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, Each

SKU: MAN190340

Crankshafts
A$3,098.27
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Part Type

Engine Crankshaft

Data: v4.2 - Upd: 2026-10-14 10:06:17

Features

  • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.
  • Increase Displacement with a Stroker Crankshaft: These cranks feature either the stock 3.543 stroke or an increased stroke of 3.750 , turning your 4.6L into a 5.0L or larger depending on your bore.
  • Lightweight Design, 4340 Material: Manufactured from forged 4340 material and featuring lightened rod journals for optimized engine performance. Counterweights are fully profiled to ensure precise balance and stability.
  • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
190340
Product Attributes - Part Type
Crankshafts
Product Attributes - Product Line
Manley Pro Series Crankshafts
Product Attributes - UPC
807298089829
Product Attributes - Engine Stroke (in.)
4.100 in.
Product Attributes - Crankshaft Material
Forged 4340 steel
Product Attributes - Engine Balance
Internal
Product Attributes - Rear Main Seal Style
1-piece
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.)
2.750 in.
Product Attributes - Crankshaft Snout Style
Standard
Product Attributes - Weight
60.000 lbs.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
4.100 in. stroke crank intended for use with Windsor 9.500 in. deck aftermarket blocks with 2.750 in. mains.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man190340
SFX Item ID 4932864
Supplier Item Code 4932864
Manufacturer SKU 190340
Manufacturer UPC 807298089829
Alternative References 1-piece

Compatibility

Application Data
  • Stroker CrankshaftYes
    MakeFORD
    Beginning Year1969
    Ending Year1974
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    Rod Length (application)6.200 in.
  • Stroker CrankshaftYes
    MakeFORD
    Beginning Year1969
    Ending Year1997
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.8L/351
    Rod Length (application)6.200 in.

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