Manley 14187R6-8 Pro Series I-Beam Connecting Rod Set 426 Hemi 7.100in 300M ARP 625+

The Manley 14187R6-8 is a Pro Series I-Beam connecting rod set engineered for the Chrysler 426 Hemi engine, featuring a 7.100-inch (+0.235 over stock) center-to-center length. Built from 300M vacuum degassed steel alloy — the strongest material in the Manley Pro Series lineup — these rods are purpose-built for high-powered, power-adder applications demanding exceptional strength and reliability.

Key Features:

• Material: 300M aircraft-quality vacuum degassed steel alloy for maximum strength and durability
• Center-to-Center Length: 7.100 in. (+0.235 in. longer than stock)
• Big End Bore: 2.325 in.
• Big End Width: 1.015 in.
• Pin Bore Diameter: 0.9911 in.
• Pin End Width: 1.180 in.
• Rod Bolts: 7/16 in. ARP Custom Age 625+ cap screws for superior clamping strength
• Approximate HP Rating: 1,000+
• Fully machined to produce the lightest and strongest rod possible
• Shot-peened after machining to MIL specifications
• 100% individually magnafluxed for quality assurance
• Bores are precision-honed round with tightly controlled bend and twist tolerances

The Manley Pro Series I-Beam connecting rod has earned its reputation as the benchmark for fully machined, high-end performance connecting rods. Weight-matched across the set, these rods deliver the precision and consistency required for serious racing and high-horsepower street builds. This set is sold in a quantity of 8, making it a complete replacement for a single 426 Hemi engine.