Eagle BBC 5140 Forged I-Beam Connecting Rod 6.135 — Fits Big Block Chevy

SKU: BBPG_SIR6135B-1
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Sale price$450.99
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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.

Watch in action

Reliable I-Beam Rods for Big Block Chevy

When you need a high-quality replacement rod for your Big Block Chevy, the Eagle SIR series I-Beam rod is a proven solution. Manufactured from 5140 forged steel, these rods offer an excellent balance of strength and affordability, making them perfect for street-strip applications and moderate-horsepower builds.

Technical Details

  • Application: Big Block Chevy
  • Length: 6.135 inches
  • Design: I-Beam (SIR Series)
  • Material: 5140 Forged Steel
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed for floating pins
  • Sold as: Each

The I-beam design is a classic choice for engine builders who prioritize weight savings and consistent performance. These rods are precision-machined to ensure a perfect fit, and they come bushed for floating wrist pins to minimize friction. The inclusion of 8740 alloy cap screws provides reliable clamping force, ensuring that your rod bearings remain properly seated under load. Whether you are replacing a single damaged rod or building a custom set, these Eagle components offer the quality and consistency you expect. Keep your engine running strong with professional-grade components from GGCRACING.

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.

Watch in action

Reliable I-Beam Rods for Big Block Chevy

When you need a high-quality replacement rod for your Big Block Chevy, the Eagle SIR series I-Beam rod is a proven solution. Manufactured from 5140 forged steel, these rods offer an excellent balance of strength and affordability, making them perfect for street-strip applications and moderate-horsepower builds.

Technical Details

  • Application: Big Block Chevy
  • Length: 6.135 inches
  • Design: I-Beam (SIR Series)
  • Material: 5140 Forged Steel
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed for floating pins
  • Sold as: Each

The I-beam design is a classic choice for engine builders who prioritize weight savings and consistent performance. These rods are precision-machined to ensure a perfect fit, and they come bushed for floating wrist pins to minimize friction. The inclusion of 8740 alloy cap screws provides reliable clamping force, ensuring that your rod bearings remain properly seated under load. Whether you are replacing a single damaged rod or building a custom set, these Eagle components offer the quality and consistency you expect. Keep your engine running strong with professional-grade components from GGCRACING.

Product Details

Product Description

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.

Watch in action

Reliable I-Beam Rods for Big Block Chevy

When you need a high-quality replacement rod for your Big Block Chevy, the Eagle SIR series I-Beam rod is a proven solution. Manufactured from 5140 forged steel, these rods offer an excellent balance of strength and affordability, making them perfect for street-strip applications and moderate-horsepower builds.

Technical Details

  • Application: Big Block Chevy
  • Length: 6.135 inches
  • Design: I-Beam (SIR Series)
  • Material: 5140 Forged Steel
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed for floating pins
  • Sold as: Each

The I-beam design is a classic choice for engine builders who prioritize weight savings and consistent performance. These rods are precision-machined to ensure a perfect fit, and they come bushed for floating wrist pins to minimize friction. The inclusion of 8740 alloy cap screws provides reliable clamping force, ensuring that your rod bearings remain properly seated under load. Whether you are replacing a single damaged rod or building a custom set, these Eagle components offer the quality and consistency you expect. Keep your engine running strong with professional-grade components from GGCRACING.

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