Manley's Pro Series Turbo Tuff Connecting Rods are the standard for high-performance engines, forged from 4340 aircraft-grade steel for maximum strength and durability. Featuring a .866" pin diameter, a 2.008" big end bore, a .780" big end width, and a 5.984" center-to-center length, this connecting rod is designed for high-performance engines that need to deliver maximum performance. The rod is then shot peened and magnafluxed for the ultimate in strength and reliability.