Manley 42648-4 H-Beam Connecting Rods

Manley Performance is a trusted name in the performance engine building industry, producing connecting rods to exacting tolerances for maximum strength and reliability under high horsepower and high-RPM conditions.

Key Features:

• H-Beam Construction: Classic H-beam cross-section design delivers outstanding tensile and compressive strength, ideal for high-boost and high-horsepower builds
• Premium Steel Forgings: Manufactured from high-grade forged steel for superior fatigue resistance compared to cast or billet alternatives
• ARP Fasteners: Equipped with ARP rod bolts for reliable clamping force and resistance to stretching under extreme load
• Precision Machined: CNC-machined to tight tolerances for proper balance and consistent rod-to-rod weight matching
• Shot-Peened Finish: Shot-peened surface treatment improves fatigue life by relieving surface stress concentrations

Manley H-beam connecting rods are a popular upgrade for engine builders seeking a significant improvement in bottom-end durability over stock connecting rods. Whether building a naturally aspirated high-revving engine or a turbocharged powerplant, the Manley 42648-4 connecting rods provide the strength and consistency needed for a successful performance build.