Speedmaster 1-274-029 I-Beam Connecting Rods 5.933" 4340 Steel Ford 4.6L with ARP 2000

Speedmaster I-Beam Pro connecting rods are precision-engineered for high-performance Ford 4.6L builds, combining proven I-beam strength with advanced design features typically found in H-beam rods. Manufactured from aircraft-grade 4340 chromoly steel, these rods are built to handle engines producing over 1000 horsepower with exceptional reliability.

Specifications:

• Center-to-center length: 5.933 inches
• Big end bore: 2.087 inches
• Pin bore: .866 inches (0.866")
• Material: 4340 chromoly steel
• Bolt type: ARP 2000 fasteners
• Application: Ford 4.6L modular engines

Key Features:

• One-rib cap design provides enhanced strength and superior bearing support
• Polished beam surfaces eliminate stress risers and potential failure points
• Profiled clearance for long-stroke crankshaft applications
• X-ray and ultrasonic testing ensures structural integrity
• Shot peened and stress-relieved surfaces for maximum fatigue resistance
• Precision CNC-machined ARP 2000 connecting rod bolts
• Heat-treated with rolled threads offering up to 10x more fatigue strength than OEM fasteners

These connecting rods are ideal for serious street performance, bracket racing, and forced induction applications where durability and consistent performance are critical. The combination of premium 4340 steel construction and ARP 2000 hardware ensures your engine can withstand the extreme loads of high-performance operation.