The bolt pattern is basically wider that the SM420/SM465. If the input shaft is longer than the one you're replacing, you could make a plate to adapt the NV4500 to the original bellhousing. Failing that, who said you can't redrill the tranny?
__________________
'66 C10 longstep - Clifford equiped
'84 C20 Suburban 6.2L - awaiting 4x4 conversion
'91 V3500 Crewcab - awaiting diesel swap
|