Description
Upgrade your 5.4L Modular V-8 engine with the Manley Performance ROD-54L Pro Series I-Beam Connecting Rods, engineered for peak performance and durability. Crafted from high-quality forged 4340 or 300M vacuum degassed steel alloys, these rods are designed to withstand the rigors of demanding racing and high-performance applications. Their superior material composition ensures exceptional strength, longevity, and resistance to fatigue, making them an ideal choice for serious engine builders seeking reliable components.
These connecting rods are meticulously manufactured with precision engineering, featuring a 6.657-inch length suitable for a variety of performance setups. The Pro Series I-Beam design offers a balance of strength and weight savings, facilitating optimized engine performance. Some SKUs within this range hold NHRA legal certification, providing confidence for racers competing in Stock and Super Stock categories. Additionally, the rods are available in multiple weight options—including lightweight and heavy-duty configurations—allowing customization to match your specific engine build and performance goals.
Designed with versatility in mind, the Manley ROD-54L rods are a critical component for high-performance engine builds, offering both reliability and compliance with racing standards. Whether you are upgrading an existing engine or building a new one from scratch, these connecting rods deliver the quality and performance that professional racers and enthusiasts demand. Their robust construction and certified quality make them a valuable addition to any high-performance automotive project, ensuring your engine performs at its best under demanding conditions.
Features:
- Material: Available in forged 4340 or 300M vacuum degassed steel alloys for exceptional strength and durability
- Length: 6.657 inches, optimized for performance applications
- Design: Pro Series I-Beam construction for strength-to-weight ratio
- Certification: NHRA legal certification available on select SKUs for racing compliance
- Weight Options: Multiple configurations including lightweight, standard, and heavy-duty for tailored performance

























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