Manley Turbo Tuff Connecting Rods – BMW S55

Upgrade your engine with Manley Pro Series Turbo Tuff I-Beam Connecting Rods, engineered for high-horsepower street, drag, and racing applications. Forged from premium 4340 vacuum-degassed aircraft-grade steel, these rods deliver exceptional strength and durability under extreme boost. Each set features Manley's proven Turbo Tuff design with 3/8" ARP 2000 rod bolts for maximum clamping force and reliability. Every rod is precision machined, shot peened, 100% magnaflux inspected, and weight matched to ensure consistent performance and tight manufacturing tolerances. Features: Forged 4340 aircraft-grade vacuum-degassed steel Proven Turbo Tuff I-Beam design High-strength 3/8" ARP 2000 rod bolts Shot peened for increased fatigue resistance 100% magnaflux inspected Weight matched to ±1.5 grams Precision honed big and small ends (±0.0002") Ideal for high-performance and turbocharged engine builds