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  See all Engine products
Eagle Specialty Products Heavy Duty Assembly Chevrolet 350 - 36120030

So, you’re diving into the deep end with your engine build? Let me tell you about the Eagle Heavy Duty Rotating Assemblies. These bad boys are built for those who aren't just looking to dabble in performance but are ready to push the limits—think extreme competition engines that can handle exotic fuels, hefty nitrous, and serious boost. If you're serious about making power, this is where you want to start.

Let’s break down what you’re getting: the assembly features a 3.750" Forged 4340 Crank that’s tough as nails. You’ve got 5.700" H-Beam Rods that are designed to take a beating, and they come with 7/16" ARP L19 Bolts for that extra peace of mind when you’re pushing the limits. The Forged 2618 JE -31CC Forced Induction Inverted Dome 4.030" Pistons are a game changer, paired with Plasma-Moly File Fit Rings that keep everything sealed tight. And don’t forget the King XP Rod/Main Bearings—these are the unsung heroes that help keep your engine running smooth under pressure.

Here’s the deal with the specs:

  • Assembly Type: Heavy Duty Assembly
  • Bore: 4.03
  • Piston Brand: JE
  • Piston Type: Inverted Dome Forged 2618
  • Product Line: Heavy Duty
  • Assembly must be balanced by qualified machine shop before use!

Now, I’ll be straight with you—these assemblies are universal fitment, which means they’re designed to work with a variety of setups. But it’s always a good idea to do your homework to ensure they’ll fit your specific ride. If you’re working on a Chevrolet 350, you’re in the right ballpark with the 36120030 Eagle Specialty Products Heavy Duty Assembly.

Just remember, building a monster engine isn’t just about slapping parts together. You’ve got to balance everything out properly, so make sure you’ve got a qualified machine shop on speed dial. Get ready to take your engine to the next level!

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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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