Eagle SIR Forged I-Beam Connecting Rods 6.385in — Fits Big Block Chevy

SKU: BBPG_SIR6385B
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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.

High-Performance Eagle SIR I-Beam Rods for Big Block Chevy

When building a high-output Big Block Chevy engine, the connecting rods are the backbone of your rotating assembly. These Eagle SIR series forged I-beam connecting rods are engineered to provide exceptional strength and reliability for street and strip applications. Crafted from premium forged steel, these rods are designed to handle increased horsepower and torque demands while maintaining precise tolerances.

Technical Specifications

  • Length: 6.385 inches
  • Material: Forged Steel
  • Design: I-Beam
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed: Yes, for full-floating pins
  • Quantity: Set of 8

The I-beam design offers a superior strength-to-weight ratio, ensuring your engine remains stable under high-RPM conditions. Each rod is shot-peened to relieve stress and improve fatigue resistance, making them a reliable choice for performance enthusiasts. The included 8740 alloy bolts provide the clamping force necessary to secure your assembly under extreme load. Whether you are refreshing a classic big block or building a custom performance engine, these rods deliver the consistency required for top-tier results. Experience the difference in quality and engineering with these 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.

High-Performance Eagle SIR I-Beam Rods for Big Block Chevy

When building a high-output Big Block Chevy engine, the connecting rods are the backbone of your rotating assembly. These Eagle SIR series forged I-beam connecting rods are engineered to provide exceptional strength and reliability for street and strip applications. Crafted from premium forged steel, these rods are designed to handle increased horsepower and torque demands while maintaining precise tolerances.

Technical Specifications

  • Length: 6.385 inches
  • Material: Forged Steel
  • Design: I-Beam
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed: Yes, for full-floating pins
  • Quantity: Set of 8

The I-beam design offers a superior strength-to-weight ratio, ensuring your engine remains stable under high-RPM conditions. Each rod is shot-peened to relieve stress and improve fatigue resistance, making them a reliable choice for performance enthusiasts. The included 8740 alloy bolts provide the clamping force necessary to secure your assembly under extreme load. Whether you are refreshing a classic big block or building a custom performance engine, these rods deliver the consistency required for top-tier results. Experience the difference in quality and engineering with these 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.

High-Performance Eagle SIR I-Beam Rods for Big Block Chevy

When building a high-output Big Block Chevy engine, the connecting rods are the backbone of your rotating assembly. These Eagle SIR series forged I-beam connecting rods are engineered to provide exceptional strength and reliability for street and strip applications. Crafted from premium forged steel, these rods are designed to handle increased horsepower and torque demands while maintaining precise tolerances.

Technical Specifications

  • Length: 6.385 inches
  • Material: Forged Steel
  • Design: I-Beam
  • Fasteners: 7/16 inch 8740 Cap Screws
  • Bushed: Yes, for full-floating pins
  • Quantity: Set of 8

The I-beam design offers a superior strength-to-weight ratio, ensuring your engine remains stable under high-RPM conditions. Each rod is shot-peened to relieve stress and improve fatigue resistance, making them a reliable choice for performance enthusiasts. The included 8740 alloy bolts provide the clamping force necessary to secure your assembly under extreme load. Whether you are refreshing a classic big block or building a custom performance engine, these rods deliver the consistency required for top-tier results. Experience the difference in quality and engineering with these professional-grade components from GGCRACING.

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