Manley GT-R 3.8L Set of 6 Turbo Tuff I-Beam Connecting Rods 15524-6

Manley’s Pro Series I-Beam Connecting Rods set the standard for precision, strength, and high performance. Crafted with exceptional attention to detail, these rods reflect Manley’s dedication to quality and excellence, offering unmatched durability and reliability for high-horsepower applications. Designed to enhance engine capabilities, they are an essential upgrade for demanding builds.

Forged from premium 4340 or 300M vacuum-degassed steel alloys, the Pro Series rods are built to endure extreme conditions. Each rod undergoes full machining at Manley’s Lakewood, NJ facility, followed by shot peening to MIL specifications and individual magnaflux inspection, ensuring maximum strength and fatigue resistance. The Turbo Tuff variants, known for their robust construction, are specifically designed to handle the immense stress of turbocharged and nitrous-fed engines, supporting over 1,000 horsepower in 4-cylinder setups and 1,250+ horsepower in 6-cylinder configurations.

For racers seeking NHRA compliance, select Pro Series I-Beam rods come with “NHRA Legal” certification, making them suitable for Stock and Super Stock categories. The series offers diverse weight options, including Tour Lites®, Lightweights, Standard Weights, and Heavy Weights, providing versatility to match specific performance goals. Fastened by 3/8" bolts, these rods exemplify the strength and reliability needed for extreme performance builds.