“…The present paper is the second in a series of two papers: the first paper [3] dealt with the determinantal image of K 1 (R[G]), whereas this paper is concerned with the kernel of the determinant map, SK 1 (R[G]). It is interesting to note that recently there has been considerable resurgence of interest in K 1 of group rings with higher dimensional rings of coefficients in equivariant Iwasawa theory (see for instance [8,13,[10][11][12]21,22]). …”