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  See all Engine products
Eagle Specialty Products 4340 Crank 350 46LB Chevrolet - 435034805700SP

If you’re diving into the world of performance engines, you’ve probably heard about Eagle’s forged 4340 steel cranks. These bad boys are made with a non-twist forging process, which means they’re built to take a beating without bending out of shape. They come with .125" fillet radiuses that really amp up the strength. You’ll need chamfered or narrowed bearings to fit, but trust me, the durability is worth it. Plus, they’ve got a nitrided surface and are micropolished for that smooth finish that just feels right when you’re revving high. And if you’re into sprint cars, you’ll appreciate that the rear flange is machined to fit a direct drive yoke.

This crank is specifically designed for the Chevrolet 305/350 engines, making it a solid choice if you’re looking to boost your ride’s performance.

Features

  • Balance Type: Internal
  • Crankshaft Stroke: 3.480"
  • Flywheel Bolt Count: 6
  • Flywheel Register Diameter: call
  • Intended Balance: Internal
  • Main Journal: 2.449"
  • Material: Forged 4340 Steel
  • Minimum Rod Length: 5.700"
  • Pilot Bore Diameter: call
  • Prop 65 - Short Label: prop65_warning.jpg
  • Prop 65 (C, R or CR): C
  • Prop 65 Long: This product contains nickel, which is known to the State of California to cause cancer.
  • Prop 65 Yes/No: Yes
  • Rear Seal Diameter: call
  • Rod Journal Width: 1.900"
  • Rod Journal: 2.100"
  • Snout Diameter: 1.245"
  • Target Bobweight: 1855g
  • Title: ESP 4340 CRANK CHEVY 350 46LB
  • Just a heads up, you’ll need to balance this crankshaft to match your specific rods and pistons for optimal performance.

Notes:

Universal Fitment: This crankshaft should fit your vehicle since it's designed for universal application. Still, it’s a good idea to do your homework and confirm it’ll work with your specific setup.

Proposition 65

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

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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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