Drive shafts Toyota LC79 Driveshafts and Reinforced Joints set Gun Drilled, 30 spline, by Longfield for Toyota LC79 since 1999Gun Drilled 30 spline couplings are made from 100% chromoly steel and are precision polished to eliminate any imperfections. The internal components are also made from 4340 steel and are double heat treated for superior strength. The coupling features an M8 grease fitting at the end of its coupling and is gun-drilled in the center to allow grease to pass through the zerk fitting and into the internal components. This saves valuable time by eliminating the need to disassemble the drive shaft for joint maintenance.The drive shafts are also made of 4340 chrome steel.Length: short side shaft 16.57" long side shaft 33.6"