Manley 25138-8 H-Beam Connecting Rod Chromoly Length - 4130 7/16 8.100

The Manley 25138-8 is a high-performance H-beam connecting rod constructed from premium 4130 chromoly steel, engineered for demanding racing and high-output engine applications. This rod features an 8.100-inch center-to-center length with a 7/16-inch ARP2000 bolt configuration and .165-inch wall thickness for exceptional strength-to-weight ratio.

Key Features:

• 4130 chromoly steel construction for superior tensile strength and durability
• H-beam design provides optimal rigidity while minimizing weight
• 8.100-inch center-to-center length for precise fitment
• 7/16-inch bolt size accommodates high-performance ARP2000 fasteners
• 0.165-inch wall thickness ensures structural integrity under extreme loads
• Precision machined to tight tolerances for perfect balance
• Shot peened and magnafluxed for stress relief and crack detection

Manley connecting rods are a trusted choice among professional engine builders and racers who demand reliability and performance. Each rod is manufactured to exacting standards and undergoes rigorous quality control testing to ensure consistent performance in high-RPM and high-boost applications.