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  See more parts for Chrysler Cordoba
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Eagle Forged 4340 Crankshaft 3.31" Stroke Chrysler 318 | 340 1968-1992 - 434033106123
Eagle Forged 4340 Crankshaft 3.31" Stroke Chrysler 318 | 340 1968-1992 - 434033106123 - Image 4 Eagle Forged 4340 Crankshaft 3.31" Stroke Chrysler 318 | 340 1968-1992 - 434033106123 - Image 2 Eagle Forged 4340 Crankshaft 3.31" Stroke Chrysler 318 | 340 1968-1992 - 434033106123 - Image 3 Eagle Forged 4340 Crankshaft 3.31" Stroke Chrysler 318 | 340 1968-1992 - 434033106123 - Image 4

If you're diving into the world of high-performance engines, you’ve probably heard of Eagle Crankshafts. These bad boys are built tough, offering a blend of strength and quality that won't break the bank. I’ve had my hands on a few of them, and let me tell you, they’re no joke. The forging process is non-twist, which means they’re crafted with a level of precision that you can trust. Each crankshaft goes through a serious multi-stage heat treatment, stress relieving, shot peening, and nitriding. Basically, they’re put through the wringer to ensure they can handle whatever you throw at them.

What really stands out is the attention to detail. Every journal is micropolished to a 3 or better R.A., which means you’re getting a smooth finish that helps with oil flow and overall performance. Plus, they’ve got a 0.125" radius on all journals for added strength, so make sure to pair them with chamfered bearings. If you’re aiming for a power build, these cranks can handle up to 1500 horsepower, making them a solid choice for serious builds.

Now, if you’re looking to shave off some weight, Eagle offers lightweight versions of their forged 4340 steel crankshafts. The counterweights are knife-edged, which can help reduce windage and cut down on weight by about 5-6 lbs. Every little bit helps when you’re pushing for performance.

On the flip side, if you're not quite ready to dive into the forged market, the Eagle cast steel crankshafts are a great alternative to factory options. They come with all radii at .092", so you can stick with OE-style bearings. They’re rated for up to 500 horsepower and designed for 28 in-oz. external balance, making them a reliable choice for a solid build without going overboard.

Here’s a quick rundown of the specs:

  • Material: Forged 4340 steel
  • Intended Balance: Internal
  • Target Bobweight: 2050g
  • Stroke: 3.310"
  • Rod Journal: 2.125"
  • Rod Journal Width: 1.874"
  • Main Journals: 2.500"
  • Minimum Rod Length: 6.123"
  • Typical Weight: 56 lbs.
  • Snout Diameter: 1.53"
  • Flywheel Bolts: 6
  • Pilot Bore Diameter: 0.964"

Fitment:

  • Chrysler Cordoba (1975-1983)
  • Dodge Ram (1967-1992)
  • Plymouth Barracuda (1968-1974)
  • Plymouth Valiant (1968-1976)

Note: Don’t forget, you’ll need to balance the crankshaft to match your specific rods and pistons for optimal performance.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1975-1983
 Chrysler Cordoba
1968-1974
 Plymouth Barracuda
1968-1976
 Plymouth Valiant

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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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