Specifications
- Brand
- Manley Performance
- Part #
- 15320-8
- UPC
- 807298092829

Manley Ford 4.6L Modular 300M Alloy 5.580in Bore Pro Series I Beam Connecting Rod Set
$3751.60
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Manley Ford 4.6L Modular 300M Alloy 5.580in Bore Pro Series I Beam Connecting Rod Set. These well-built rods are made from 300M alloy for high-performance Ford 4.6L engines.
Key Features
- This set includes Manley Pro Series I-Beam connecting rods for Ford 4.6L Modular engines.
- Constructed from 300M vacuum degassed steel alloy for superior strength and durability.
- The I-beam design offers a strong strength-to-weight ratio, suitable for high-performance applications.
- Features a 5.580 inch length and a 'Lightweight' designation for engine tuning.
- Some Pro Series I-Beam rods carry NHRA Legal certification for Stock and Super Stock racing.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
In this set, you get a complete set of Manley Pro Series I-Beam connecting rods, specifically crafted for Ford 4.6L Modular engines. These aren't just any connecting rods; they're built from 300M vacuum degassed steel alloy, a material chosen for its exceptional strength and durability under extreme stress. If you're building a high-performance Ford 4.6L engine, whether for serious street use or competition, these rods are designed to handle the demands.
Manley has a reputation for making solid engine components, and these Pro Series rods are a prime example. The I-beam design is known for its strength-to-weight ratio, and using 300M alloy takes that a step further, offering improved fatigue life and toughness compared to standard forged steel. This means they can withstand higher cylinder pressures and RPMs without failing. Some versions of Manley's Pro Series rods are even NHRA legal for Stock and Super Stock classes, which speaks to their pedigree in racing applications. You can also find these rods in different weight options, like the 'Lightweight' designation on this particular set, allowing you to fine-tune your engine's balance and response.
When you're putting together a performance engine, the connecting rods are a critical link. Choosing a well-made set like these Manley 300M rods means you're investing in reliability and the potential for significant power gains. Make sure to follow the manufacturer's installation instructions carefully, as proper balancing and assembly are key to getting the most out of these high-performance components.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 15320-8
- UPC
- 807298092829
Frequently Asked Questions
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