Serious engine builders, this Hot Rods 8643 connecting rod is built for performance and reliability. Forged from high-quality 8620 steel and case hardened, this rod can handle the extreme demands of high-RPM operation without failing. The double honed bearing surfaces ensure absolute reliability when you're pushing your engine to its limits. The specially designed side scalloping with vent slots on the large end maximizes rod bearing lubrication, which is crucial for longevity under stress. The double drilled small end increases wrist pin lubrication, preventing seizures and wear. This isn't just a replacement part - it's an upgrade over stock that can handle more power and higher revs. The kit includes everything you need: connecting rod, crank pin, crank pin bearing, thrust washers, and wrist pin bearing for two-stroke applications. Whether you're rebuilding your original equipment crank or building a performance Hot Rods crankshaft, this connecting rod delivers the quality and precision that serious mechanics demand. It's the kind of component that gives you peace of mind when you're putting your engine under stress, knowing you've got parts that can handle the punishment you're dishing out.