Connecting Rod Kit. Maintain the performance of your 2-stroke dirt bike or ATV with the high-performance Hot Rods connecting rod kit. Hot Rods designed this quality connecting rod kit to take the stress of a pinned out 2-stroke. Heavy-duty forged steel connecting rod and crank pin. Certified 8620 AISI steel provides superior strength. Uniquely designed big end uses strategically located side scalloping vent slots to minimize high RPM bearing race distortion. Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc. Hot Rods uses the latest in caged needle roller bearing designs for high RPM longevity. Thrust washers are manufactured from bronze phosphor and are silver coated. Rod assembly sold complete with rod, crankpin, crankpin bearing, top end bearing and thrust washers. Compatible with Hot Rods and O.E. crankshafts.