The 130011 is a 7" length of speedometer cable designed to fit between the Dakota Digital speed sensor SEN-01-128 and SEN-01-5 (supplied with all VFD, VHX and HDX kits) and your GM transmission. The 130011 GM cable is used when clearance is an issue between the transmission and speed sensor allowing you to relocate the sensor to clear most obsticles. This cable extension is used on muncie transmissions due to clearence issues.