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  See all Engine products
Eagle Specialty Prod 4340 Rod BBC 6.135 Rod - CRS61353D-1

If you're serious about building a big block Chevy, you’re gonna want to check out these Forged 4340 Steel H-Beam connecting rods. They’re not just any rods; these are made from a two-piece forging process that gives them incredible strength and durability. Each one is fully machined and shot-peened, so you know they’re built to last. Plus, they hold tight tolerances, which is crucial when you're pushing your engine to the limit.

Now, let’s get into the specs. These rods have a center-to-center length of 6.135 inches, perfect for those big block setups. The big end width is 0.99 inches, and they come with 7/16" ARP 8740 bolts that you can torque down to 63 ft-lbs using ARP moly lube. They’re designed to be bushed for a full-floating piston pin, which means they’re ready to handle some serious RPMs without breaking a sweat.

  • Big End Width: 0.99"
  • Bolts: 7/16" ARP 8740
  • Bushed for full-floating piston pin: Yes
  • Center to Center Length: 6.135"
  • Housing Bore: 2.325"
  • Material: Forged 4340 Steel
  • Pin End Width: 1.125"
  • Pin Size: 0.99"
  • Rod Journal: 2.2"

These rods are definitely recommended for competition use. Just a heads up, when you order, make sure to specify the weight you need. And while these rods are pretty universal, it’s always smart to double-check that they’ll fit your specific setup. If you’re running a big block, you’re in good hands with these.

One last thing—be aware that this product contains nickel, which California says can cause cancer. So, you know, just a little warning there. But if you’re looking to beef up your engine with some solid connecting rods, these Forged 4340 Steel H-Beam rods are a solid choice.

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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