Eagle SIR 5140 Forged I-Beam Connecting Rods 6.700in

SKU: BBPG_SIR6700B

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Sale price$441.18
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eagle

Eagle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eagle lineup with fast shipping and expert fitment support — order with confidence.

Eagle SIR 5140 Forged I-Beam Connecting Rods for BBC

Engineered for reliability and performance, the Eagle SIR 5140 Forged I-Beam Connecting Rods are the ideal foundation for your Big Block Chevy build. These rods feature a 6.700-inch length and are precision-forged from high-quality steel to withstand the rigors of high-horsepower applications. Whether you are building a street machine or a track-ready engine, these rods provide the structural integrity needed for consistent performance.

Technical Specifications

  • Material: 5140 Forged Steel
  • Design: I-Beam
  • Length: 6.700 inches
  • Fasteners: 7/16-inch Cap Screws with 8740 Bolts
  • Bushed for floating pins
  • Quantity: Set of 8

The I-Beam design offers an excellent strength-to-weight ratio, reducing reciprocating mass while maintaining superior rigidity. Each rod is bushed to accommodate floating wrist pins, ensuring smooth operation and reduced friction. Equipped with heavy-duty 7/16-inch cap screws and 8740 alloy bolts, these connecting rods offer exceptional clamping force and reliability under load. These rods are a proven choice for engine builders looking for a balance of durability and value. Trust your engine build to the experts at GGCRACING.

About Eagle

Eagle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eagle lineup with fast shipping and expert fitment support — order with confidence.

Eagle SIR 5140 Forged I-Beam Connecting Rods for BBC

Engineered for reliability and performance, the Eagle SIR 5140 Forged I-Beam Connecting Rods are the ideal foundation for your Big Block Chevy build. These rods feature a 6.700-inch length and are precision-forged from high-quality steel to withstand the rigors of high-horsepower applications. Whether you are building a street machine or a track-ready engine, these rods provide the structural integrity needed for consistent performance.

Technical Specifications

  • Material: 5140 Forged Steel
  • Design: I-Beam
  • Length: 6.700 inches
  • Fasteners: 7/16-inch Cap Screws with 8740 Bolts
  • Bushed for floating pins
  • Quantity: Set of 8

The I-Beam design offers an excellent strength-to-weight ratio, reducing reciprocating mass while maintaining superior rigidity. Each rod is bushed to accommodate floating wrist pins, ensuring smooth operation and reduced friction. Equipped with heavy-duty 7/16-inch cap screws and 8740 alloy bolts, these connecting rods offer exceptional clamping force and reliability under load. These rods are a proven choice for engine builders looking for a balance of durability and value. Trust your engine build to the experts at GGCRACING.

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