body of the guide links 120 and the inside links 122 121 123 complete bearing contact between the rocker 118 and the outermost inside links 122 123 at surface 134 is provided by virtue of the slight increase in rocker length allowed by the increased space between the guide links 120 and the outermost inside links 122 123 an alternate embodiment of the present invention shown in fig4 is illustrated in fig5 projections 162 are formed on the outside face of the outermost inside links 122 123 each projection 162 serves the same function as projection 160 in fig4 i e which is to space apart the inside links 121 122 123 from the guide links 120 to provide increased axial clearance while operating like the embodiment shown in fig4 the present embodiment requires the manufacture of three different link types as opposed to two fig6 a and 6b show an inside and outside view respectively of one embodiment of a guide link of the present invention guide link 120 has a pair of projections 160 on an inside surface 180 of the link plate the projections 160 are located below the guide link plate apertures 106 the corresponding recesses or locations 168 are shown on the outside surface 182 of the guide link 120 fig6 c and 6d show an inside and outside view respectively of another embodiment of a guide link of the present invention guide link 220 has two pair of projections 260 a 260 b on an inside surface 280 of the link plate the projections.