Eagle FSI6125O Forged I-Beam Connecting Rods for GM LS1-LS7 6.125" Floating Pin

Vehicle Fitment

• GM LS1 5.7L (1997-2004)
• GM LS2 6.0L (2005-2009)
• GM LS3 6.2L (2008-2017)
• GM LS6 5.7L (2001-2005)
• GM LS7 7.0L (2006-2009)

Fitment Notes

• Designed for GM LS-series engines with a 2.100" rod journal diameter.
• Compatible with floating wrist pins; not suitable for press-fit applications.
• Clearanced for stroker applications; block may require additional clearance.

Features

• Forged from 4340 chromoly steel for superior strength and durability.
• Shot-peened surface to relieve stress and enhance fatigue resistance.
• Precision CNC-machined to exact tolerances for consistent quality.
• Weight-matched to within ±1 gram for balanced performance.
• Equipped with 7/16" ARP 8740 chromoly steel cap screws for secure fastening.
• Alignment sleeves ensure precise cap location during assembly.
• Silicone bronze pin bushings provide smooth wrist pin operation.
• Rated to support up to 800 horsepower and 8,000 RPM reliably.
• Ideal for naturally aspirated, pump gas, and road car applications.

Specifications

• Rod Length (Center to Center): 6.125 inches
• Rod Journal Diameter: 2.100 inches
• Wrist Pin Diameter: 0.927 inches
• Big End Bore Diameter: 2.225 inches
• Big End Width: 0.940 inches
• Pin End Width: 1.000 inches
• Typical Rod Weight: 605 grams
• Fastener Type: 7/16" ARP 8740 chromoly steel cap screws
• Fastener Yield Strength: 180,000 psi
• Torque Specification: 40 ft-lbs with ARP moly lube
• Recommended Bearings: Clevite CB663, King CR807, ACL 8B663, Enginetech BB253J

Included Components

• 8x Eagle FSI6125O Forged I-Beam Connecting Rods
• 8x ARP 8740 chromoly steel cap screws

Product Description

The Eagle FSI6125O connecting rods are engineered for GM LS-series engines, offering a robust solution for performance builds up to 800 horsepower and 8,000 RPM. Crafted from forged 4340 chromoly steel, these I-beam rods provide exceptional strength and reliability. Each rod is shot-peened to relieve stress, enhancing fatigue resistance and overall durability.

Precision CNC-machined to exact tolerances, these rods are weight-matched to within ±1 gram, ensuring balanced performance across all cylinders. The use of 7/16" ARP 8740 chromoly steel cap screws, with a yield strength of 180,000 psi, guarantees secure fastening. Cap alignment sleeves are included to ensure accurate cap positioning during assembly.

Designed for floating wrist pins, these rods are ideal for naturally aspirated, pump gas, and road car applications. They are clearanced for stroker applications; however, the block may require additional clearance. The Eagle FSI6125O rods are a reliable choice for enthusiasts seeking performance and durability in their GM LS engine builds.