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  See all Engine products
Eagle Chevroletrolet LS 4340 I-Beam Connecting Rod 6.125in (Set of 8) - FSI6125O

When it comes to performance parts, Eagle Specialty Products is a name that stands out. They’ve built a reputation over the years, and it’s not just talk—these guys know what they're doing. Their journey started with a focus on quality, and it shows in every product they roll out. A few years back, they decided to expand their lineup and added crankshafts and connecting rods. The result? They’ve become one of the biggest players in the aftermarket scene.

What really sets Eagle apart is their relentless pursuit of improvement. They’re always tinkering with designs, materials, and manufacturing methods to make their products lighter and stronger. If you’re serious about your ride, you want parts that can keep up, and Eagle delivers.

Take these Forged 4340 Steel I-Beam Connecting Rods, for example. They’re built for those who push their engines to the limit—perfect for naturally-aspirated competition setups. The construction is solid, featuring a shot-peened surface that not only looks good but also enhances durability. The sizing is spot on, held to exact tolerances, and they come as a weight-matched set, which is crucial for maintaining balance in high-performance applications.

  • Bolts: 7/16 ARP 8740 - these are tough and reliable.
  • Length (Center Bore to Center Bore): 6.125 inches - just the right size for many setups.
  • Material: Forged 4340 steel - this stuff is built to take a beating.
  • Pin Size: 0.927 inches - designed to fit snugly and perform.
  • Prop 65 Warning: Nickel - just a heads up!

Now, here's the deal with fitment: these rods are pretty universal, but it’s always a good idea to double-check that they’ll work with your specific setup. You don’t want to get caught with parts that don’t fit. So, do your homework and ensure these rods are the right match for your engine.

In short, if you're looking to step up your game and need connecting rods that can handle the heat, these Eagle rods are worth considering. They’re designed for those who aren’t afraid to push their engines and want reliability in the heat of competition.

Other Part Numbers:
Eagle #eagFSI6125O

Proposition 65

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

Eagle Banner

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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