Hot Rod Bottom End Kit - CRF 250R 06-07HOT RODS BOTTOM END REBUILD KITS Building on the success of high quality O. E. M. replacement rods, Hot Rods introduced the perfect place to showcase them in a complete heavy duty Hot Rods O. E. M. replacement crankshaft. Since that time, Hot Rods heavy duty crankshafts have been regarded as the premier alternative, Hot Rods heavy duty crankshafts also bring a level of uncompromising quality, design, and innovation not seen in its competitors. A Hot