Speedmaster 1-274-018 H-Beam Connecting Rods Ford Windsor Steel ARP - 5.956 351 4340 8740

Speedmaster 1-274-018 H-beam connecting rods deliver exceptional strength and durability for high-performance Ford 351 Windsor engines. Manufactured from aircraft-quality 4340 chromoly steel, these connecting rods are engineered to handle the extreme demands of supercharged and nitrous oxide applications.

Key Specifications:

• Center-to-center length: 5.956 inches
• Big end bore: 2.310 inches
• Pin bore: .912 inches
• Material: 4340 chromoly steel
• H-beam construction for maximum strength-to-weight ratio
• Includes ARP 8740 connecting rod bolts

Features and Benefits:

• Doweled cap design ensures precise cap-to-rod alignment for consistent performance
• Extra clearance profiling accommodates stroker crankshaft applications
• X-ray and ultrasonic testing guarantees structural integrity
• Shot peened and stress-relieved surfaces enhance fatigue resistance
• ARP 8740 bolts are precision CNC-machined and heat-treated for superior clamping force
• Rolled threads provide up to ten times more fatigue strength than standard fasteners

These connecting rods are ideal for high-horsepower builds where reliability and strength are critical. The combination of premium 4340 steel construction and ARP fasteners ensures these rods can withstand the punishment of high-RPM racing and forced induction applications.