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  See all Engine products
Eagle Specialty Products Competition Assembly Pontiac 400 - 524014155

If you're diving into the world of racing, you know that every little detail counts. The Eagle Competition Rotating Assemblies are built for those who take their performance seriously—whether you're running nitrous or cranking up the boost with forced induction. These aren't just any parts; they're crafted with precision and a whole lot of racing experience behind them.

Let’s break it down. You’re getting a 4.250" forged 4340 crank—that’s tough stuff, designed to handle the stress of high RPMs without breaking a sweat. Pair that with 6.800" H-beam rods and 7/16" ARP 8740 bolts, and you’ve got a setup that’s ready for some serious action. The Mahle 4.155" pistons with a -22CC inverted dome design are engineered for efficiency and power, ensuring you get the most out of your engine’s potential. And let’s not forget the Plasma-Moly file fit rings and King XP rod/main bearings—these are the kind of details that make a real difference on the track.

  • Assembly Type: Competition Assembly
  • Bore: 4.155
  • Piston Brand: Mahle
  • Piston Type: Inverted Dome Forged
  • Product Line: Competition
  • Prop 65 Warning: Yes
  • Important Note: Assembly must be balanced by a qualified machine shop before use!
  • Compatibility Alert: Not suitable for 1976 Pontiac 400 blocks due to factory notches at the top of cylinders.

Now, while these parts are designed to fit a range of applications, I always recommend doing your homework to ensure they’ll work for your specific setup. It's all about getting that perfect fitment, and trust me, you don’t want to skip this step. If you’re looking to rev up your Pontiac 400, this assembly is a solid choice, just make sure it’s the right match for your build!

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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