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Eagle 4340 Forged Crankshaft 3.543" Stroke Ford 4.6L Modular 1992-2009

$1,039.99

Eagle

Model #428135435933

Hurry Low Stock


Shopper Award

Eagle Crankshafts feature exceptional strength and quality at a reasonable price. Eagle cranks are forged in a non-twist forging and undergo a multi-stage heat treatment process as well as stress relieving, shot peening, and nitriding. They are magnafluxed and sonic tested to insure quality. Every journal is micropolished to a 3 or better R.A. On all journals, a 0.125" radius is used to increase strength, so chamfered bearings must be used. The perfect choice for engines up to 1500HP!

Eagle forged 4340 steel crankshafts are forged from SAE 4340 steel, feature a non-twist forging, multi-stage heat treat process, stress relieving, shot-peening, and nitriding for superior strength and reliability in the most demanding applications. Each journal is micropolished to a 3 r.a. or better. A .125" radius is used to increase strength, so chamfered bearings must be used. All use a Ford rod journal width regardless of journal diameter. All are designed for internal balance. These are the perfect choice for applications up to 1500 hp.

Eagle Forged 4340 Steel Crankshafts are also available in 'Lightweight' versions - Counterweights are knife-edged for reduced weight and less windage. Typical weight reduction is 5-6 lbs.

Eagle cast steel crankshafts offer an excellent alternative to a factory cast crank. All radii are .092" so O.E. style bearings can be used. Target bobweight is +/- 2% GUARANTEED! Recommended for use up to 500hp. Designed for 28 in-oz. external balance.

Features:

  • Material: Forged 4340 steel
  • Intended balance: Internal
  • Target bobweight: 1600g
  • Stroke: 3.543"
  • Rod journal: 2.086"
  • Rod journal width: 1.900"
  • Main journals: 2.657"
  • Minimum rod length: 5.933"
  • Typical weight: 50 lbs.
  • Rear seal diameter: Call
  • Snout diameter: Call
  • Flywheel bolts: 8
  • Pilot bore diameter: Call
  • Flywheel register diameter: Call
Fitment:
  • Ford Crown Victoria 1992-2009
  • Ford E-150 1997-2008
  • Ford Expedition 1997-2004
  • Ford Explorer 2002-2009
  • Ford F-150 1997-2000
  • Ford Mustang Bullitt 2008-2009
  • Ford Thunderbird 1994-1997
Note:
  • Crankshaft must be balanced to match your specific rods and pistons.

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Vehicle Engine Notes
1992-2009
Ford Crown Victoria

1997-2008
Ford E-150

1997-2004
Ford Expedition

2002-2009
Ford Explorer

1997-2000
Ford F-150

1994-1997
Ford Thunderbird

Who is EAGLE?

EAGLE SPECIALTY PRODUCTS, aka EAGLE, has been at the forefront of developing top-quality engine components. The company officially started back in 1992 but has been developing their product for ten years prior.  Since the company started, it has continuously produced some of the market's best engine components and is widely used by engine builders worldwide.

Imitated But Not Duplicated

Due to the company's success, its products have been imitated by other companies even up to the part numbers. But the similarity ends only up to how they look. EAGLE uses the finest materials and has invested in the most state-of-the-art manufacturing machinery for them to create a product that would be able to take any punishment it is subjected to. It is tested to be superior to other brands and considered the best upgrade for OEM counterparts.

No To Shortcuts

The company sets the benchmark on how valves should be properly made. Using their years of experience creating rods, they have already designed over 200 different rods and 180 crankshafts. The company does not allow cost to compromise its material used, manufacturing process, and quality test. 

High-End Quality

All of Eagle's products are made up of high-quality materials. They use certified 4340 Chromoly steel. Using their own special heat treatment process, they are able to create a product that is much stronger compared to other competitors using the same raw material. 

They manufacture their rods using a 2-piece forging process that allows the rod to be stronger. This process orients the "grain" of the metal to the direction of the stress. Eagle uses a state-of-the-art Sunnen Krossgrinding system that allows them to create perfect cuts and bore consistently. 

Purchase EAGLE rods at Vivid Racing

If you want to upgrade your engine rods to something stronger and more reliable, then EAGLE is the brand for you. With their proven design and formula for creating rods, they have been sought after by top racing teams and engine builders. If they trust Eagle, so can you. Visit Vivid Racing and check out the list of parts specifically for your needs.

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