The Speedmaster H-Beam Connecting Rods, part number 1-274-018, are engineered for high-performance applications, particularly suited for Ford 351 Windsor engines.

These rods are crafted from premium 4340 chromoly steel, ensuring exceptional strength and durability under extreme conditions.

Key Specifications:

Center-to-Center Length: 5.956 inches

Big End Bore Diameter: 2.310 inches

Pin End Bore Diameter: 0.912 inches

Rod Journal Diameter: 2.310 inches

Wrist Pin Style: Floating

Fasteners: Equipped with ARP 8740 7/16-inch bolts, known for their high tensile strength and reliability.

Design and Features:

H-Beam Construction: The H-beam design offers a superior strength-to-weight ratio, making these rods ideal for high-revving and high-horsepower engines.

Material Quality: Forged from 4340 chromoly steel, these rods undergo rigorous testing, including x-ray and ultrasonic inspections, to ensure structural integrity.

Shot-Peened Finish: All surfaces are shot-peened to relieve stress and enhance fatigue resistance, prolonging the lifespan of the rods.

Precision Machining: Tight tolerances are maintained during manufacturing to ensure optimal fit and performance.

Applications:

These connecting rods are designed for high-performance and racing applications, capable of handling increased horsepower and torque. They are particularly suitable for engines utilizing superchargers or nitrous oxide systems, where enhanced strength and reliability are crucial.

Installation Considerations:

Professional Installation: Due to the precision required, professional installation is recommended to ensure proper fitment and performance.

Balancing: It’s advisable to balance the rotating assembly with the new rods to achieve optimal engine smoothness and longevity.

Compatibility: Confirm compatibility with your specific engine build, particularly concerning clearances and intended use.

In summary, the Speedmaster 1-274-018 H-Beam Connecting Rods offer a robust solution for enthusiasts and racers seeking to enhance their engine’s performance and reliability. Their high-quality construction and design make them a valuable upgrade for demanding applications.

Expand Content Further:

1. Detailed comparison between H-beam and I-beam connecting rods
2. Step-by-step installation guide for Speedmaster connecting rods
3. Case studies of engine builds using 1-274-018 rods
4. Maintenance tips for high-performance connecting rods