Connecting Rod GM LS1 6.125″


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The Connecting Rod GM LS1 6.125″ is a high-performance component, crafted from aircraft-quality 4340 chromoly steel. This rod, designed explicitly for GM LS1 engines, is heat-treated for increased strength and precision-balanced for smoother operation. With features such as bronze wrist pin bushings for better lubrication and a robust I-beam design, this connecting rod enhances engine performance, efficiency, and longevity.


  1. Exceptional Strength: Designed with high-strength, aircraft-quality 4340 chromoly steel.
  2. Engine Compatibility: Specifically manufactured for GM LS1 engines.
  3. Precise Length: Precision engineered to a length of 6.125″.
  4. Heat-Treated: Heat-treated to provide increased strength and durability.
  5. Accurate Balancing: Each rod is weight-matched to +/- 1 gram for balance.
  6. Increased Durability: Withstands high-performance pressures and temperatures.
  7. Robust Design: Heavy-duty I-beam construction for maximum load handling.
  8. Precision Machining: Shot-peened for improved fatigue life.
  9. Quality Assurance: 100% magnaflux inspected for integrity assurance.
  10. Better Lubrication: Features bronze wrist pin bushings for enhanced lubrication.
  11. High RPM Capability: Designed to sustain high rotational speeds.
  12. Engine Efficiency: Improves engine performance and efficiency.
  13. Lightweight: Designed for reduced weight, improving engine response.
  14. Torque Handling: Capable of handling high torque output.
  15. Detailed Craftsmanship: Attention to detail in manufacturing promotes longevity.
  16. Optimized Fit: Direct fit for a smooth installation process.
  17. Performance Enhancing: Upgrades engine output for performance applications.
  18. Corrosion Resistance: Material properties resist rust and corrosion.
  19. Less Vibration: Reduces engine vibration for smoother operation.
  20. Cost-Effective: Provides exceptional performance at a competitive price.


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