Manley 6.125 Stroker ARP 625 Bolts 2.0 Crank Journal .927 Pin 300M I-Beam Connecting Rods

This set includes eight Manley 6.125-inch I-beam connecting rods, each featuring 300M material for exceptional strength. They are designed for stroker crankshafts with 2.0-inch crank journals and utilize a .927-inch wrist pin diameter. Each rod is equipped with ARP 625+ bolts, known for their robust clamping force and reliability under extreme stress.

Manley has built these rods using a robust I-beam design, which offers a strong balance between weight and durability, making them a popular choice for serious engine builds. The 300M material is a high-strength alloy steel that Manley uses for applications demanding the utmost in toughness and fatigue resistance. The ARP 625+ bolts are a significant upgrade, providing superior tensile strength and resistance to stretching compared to standard fasteners, which is critical for maintaining proper bearing clearances and preventing catastrophic engine failure under high RPM and load conditions. The 6.125-inch length is a common dimension for many stroker combinations, helping to achieve desired displacement and compression ratios.

When installing these connecting rods, it's essential to ensure all surfaces are clean and that proper bearing clearances are set according to Manley's specifications. Using a quality assembly lubricant is also recommended to protect the components during initial startup. These rods are intended for custom engine builds where performance and reliability are paramount, and they pair well with other high-performance internal engine components.