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  See more parts for Mercury Cougar
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Eagle Rotating Assembly Ford 460 Big Block F-Series 1973-1997 - 65015030

If you're looking to take your naturally-aspirated racing game to the next level, the Eagle Pro Street Rotating Assemblies are a solid choice. These bad boys are built for serious performance and can handle the heat on the track. Let’s dive into what makes them tick.

  • Pro Street Assembly: This isn’t just any rotating assembly; it’s designed with racing in mind.
  • Displacement: We're talking about a robust 501 cubic inches here.
  • Pistons: These are Mahle pistons, known for their durability and precision.
  • Dome Volume: With a -28CC dome volume, you’re set up for some serious compression.
  • Crankshaft: The forged 4340 crank measures in at 4.140", which adds to the overall strength.
  • Rods: You get 6.700" 4340 I-beam rods that can handle the stress of high RPMs.
  • Bolts: It’s got 7/16" ARP 8740 bolts to keep everything tight and secure.
  • Piston Design: Those 4.390" forged 4032 Mahle pistons with inverted dome design ensure optimal airflow.
  • Rings: The plasma-moly file-fit rings are a nice touch for reducing friction and improving longevity.
  • Bearings: King XP rod and main bearings round out the assembly for reliable performance.

Now, let’s talk fitment. This assembly is compatible with a range of classic Ford and Mercury models:

  • Ford F-Series from 1973 to 1997
  • Ford E-Series from 1975 to 1996
  • Ford Thunderbird from 1972 to 1976
  • Mercury Cougar from 1974 to 1976

Just a heads up: you’ll need to get this assembly balanced by a qualified machine shop before you hit the road or track. It’s a crucial step to ensure everything runs smoothly.

So if you’re ready to crank up the power in your classic Ford or Mercury, the Eagle Pro Street Rotating Assembly is a no-brainer. It’s built tough and ready to perform.

Other Part Numbers:
Eagle #eag65015030

Proposition 65

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

Vehicle
1974-1976
 Mercury Cougar

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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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