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Manley GM 6.6L Duramax 6.417in Center-to-Center Pro Series I Beam Connecting Rods

Experience the pinnacle of connecting rod technology with Manley's Pro Series I-Beam Connecting Rods. Engineered with meticulous attention to detail and a finely tuned manufacturing process, these rods are a testament to our commitment to excellence.

Key Features:

  • Superior Materials: Forged 4340 or 300M vacuum degassed steel alloys for unparalleled performance and durability
  • NHRA Legal Certification: Compliant with NHRA legality standards for Stock and Super Stock racing categories
  • Versatile Weight Options: Multiple weights tailored to specific markets, including Tour Lites, Lightweights, Standard Weights, and Heavy Weights

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
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