Manley 14053-8 Pro Series I-Beam Connecting Rod 6.125" Center-to-Center

The Manley 14053-8 is a Pro Series I-Beam Connecting Rod engineered for high-horsepower, high-performance engine builds. Forged from aircraft-quality 4340 vacuum degassed steel, these rods deliver the ideal combination of lightweight design and exceptional strength demanded by serious engine builders worldwide.

Key Specifications:

• Journal Size: Large, No Offset
• Center-to-Center Length: 6.125"
• Big End Bore: 2.225"
• Pin Bore: 0.9457"
• Weight: 678g per rod

Pro Series Construction Features:

• Forged from aircraft-quality 4340 vacuum degassed material for maximum strength and reliability
• Fully machined to the highest manufacturing standards
• Shot peened after machining to relieve surface stress and improve fatigue life
• Magnafluxed for quality assurance and crack detection
• Big and small end bores final honed to ±0.0002" tolerance — perfectly round, no taper
• Bend and twist tightly controlled to exacting tolerances
• Weight matched to ±1.5 grams across the set for superior rotating assembly balance
• Cap fasteners are ARP 2000 alloy cap screws for superior clamping force

Manley Pro Series connecting rods are trusted by top engine builders across the United States and internationally, powering some of the highest-horsepower competition and performance engines in the industry. Every set undergoes rigorous final inspection to ensure a finished product built to exacting standards.