Manley 14440-8 NHRA Legal Super Stock Pro Series I-Beam Connecting Rods Small Block Chevy 5.700 inch

The Manley 14440-8 Pro Series I-Beam connecting rods are precision-engineered for Small Block Chevrolet engines, meeting NHRA Super Stock legal specifications for competitive racing applications. These high-performance connecting rods are designed for serious performance enthusiasts who demand both strength and reliability in demanding conditions.

Premium Construction and Materials:

• Forged from 4340 aircraft-quality vacuum degassed steel for superior strength and durability
• Fully machined I-beam design optimized for weight reduction and maximum strength
• Shot-peened to military specifications after machining for enhanced fatigue resistance
• 100% individually magnafluxed to ensure structural integrity
• Weight-matched set for precise engine balance

Technical Specifications:

• Center-to-center length: 5.700 inches (stock 350ci length)
• Big end bore diameter: 2.125 inches (accommodates 2.000 inch journal)
• Pin end bore diameter: 0.8761 to 0.9281 inches (bushed for floating wrist pin)
• Big end width: 0.940 inches
• Pin end width: 0.702 inches
• Rod weight: Approximately 560 grams each
• Advertised horsepower rating: 700+ HP

Premium Fasteners:

• ARP 2000 alloy 3/8 inch cap screws with 12-point heads
• 200,000 PSI tensile strength fasteners for maximum clamping force
• Cap screw retention style for reliable connection

This connecting rod set includes eight rods, providing a complete solution for V8 engine builds. Perfect for stock replacement in performance applications where NHRA class rules require legal compliance, these rods deliver the strength needed for high-horsepower naturally aspirated Small Block Chevrolet builds while maintaining the precision tolerances demanded by competitive racing.