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  See more parts for Pontiac Bonneville
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Eagle Specialty Prod 4340 Rod 6.625" Pontiac - CRS6625P3D

If you're diving into some serious engine work for your Pontiac, you might want to check out these Forged 4340 Steel H-Beam Connecting Rods. I’ve been around the block with these, and let me tell you, they’re built tough. Made from a two-piece forging, these rods are not just any run-of-the-mill parts; they’ve got a fully machined and shot-peened surface that speaks volumes about their durability. When it comes to sizing, you can count on them being spot on, which is crucial when you're pushing your engine to the limit.

These rods come as a weight-matched set, so you’re not just getting random pieces that might throw off your balance. They’re designed for competition use, and I can vouch for how they hold up under pressure. The big end width is 0.99 inches, and they use 7/16” ARP 8740 bolts, which means you’re getting some serious clamping power. Plus, they’re bushed for a full-floating piston pin, making installation a breeze and ensuring smooth operation.

Now, let’s talk numbers. The center-to-center length is 6.625 inches, and the housing bore measures in at 2.375 inches. The pin end width is a solid 1.125 inches, with a pin size of 0.98 inches—these specs really matter when you’re fine-tuning your setup. The rod journal is 2.249 inches, which should fit nicely with most Pontiac builds.

Just a heads-up: torque these bad boys to 63 ft-lbs using ARP moly lube only. It’s a small detail, but trust me, it makes a difference in performance. And while we’re at it, this product does contain nickel, which is known to the State of California to cause cancer, so keep that in mind.

Notes:

Compatible with 400/455 engines.

These rods fit a variety of Pontiac models, including:

  • Pontiac Bonneville (1967-1978)
  • Pontiac Firebird (1967-1979)
  • Pontiac Grand Prix (1973-1974)
  • Pontiac GTO (1970-1973)
  • Pontiac Tempest (1968-1970)

So if you’re looking to beef up your Pontiac’s internals, these ESP 4340 rods are a solid choice. They’ve got the strength and precision you need for serious performance.

Proposition 65

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

Vehicle
1967-1978
 Pontiac Bonneville
1967-1979
 Pontiac Firebird
1970-1973
 Pontiac GTO
1973-1974
 Pontiac Grand Prix
1968-1970
 Pontiac Tempest

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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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