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  See all Engine products
Eagle Specialty Products Competition Assembly Buick 3.8L V6 - 452003810

If you’re diving into the world of racing, you’ll want to check out the Eagle Competition Rotating Assemblies. These bad boys are built for serious performance, whether you’re running nitrous or cranking up the boost with forced induction. I've had my hands on these, and trust me, they’re designed to take the heat.

Let’s break it down a bit. You’ve got a 3.400" forged 4140 steel crank that’s externally balanced, which means it can handle some serious RPMs without breaking a sweat. Pair that with 5.967" H-beam rods, and you’ve got a setup that’s ready to withstand the rigors of competition. The 3.810" pistons are forged 2618 JE with an inverted dome, and they come with plasma-moly file fit rings. This combination not only maximizes your compression but also ensures a tight seal that can handle the pressure of racing.

Now, let’s talk about the details. The assembly includes 3/8" ARP 2000 bolts that are known for their strength and reliability—definitely not something you want to skimp on when you’re pushing your engine to the limits. Plus, you’re getting King XP rod and main bearings, which are designed to reduce friction and improve durability. It’s all about keeping your engine running smooth under stress.

Features:

  • Assembly Type: Competition Assembly
  • Bore: 3.81
  • Piston Brand: JE
  • Piston Type: Inverted Dome Forged
  • Product Line: Competition
  • Prop 65 - Short Label: prop65_warning.jpg
  • Prop 65 (C, R or CR): C
  • Prop 65 Yes/No: Yes
  • Important: Assembly must be balanced by a qualified machine shop before use!

As for fitment, these assemblies are pretty universal, but it’s always smart to double-check that they’ll work with your specific setup. A little research goes a long way in making sure you’re getting the right fit for your Buick 3.8L V6. If you’re serious about racing and want a rotating assembly that can keep up, this might just be the upgrade you need.

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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