MSD Tach Drive Adapter - Tang to Square Drive 1000-1 Available in 1-1/2" and 1-3/4"

Available in 1-1/2" and 1-3/4" clamp

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MSD Tach Drive Adapter - Tang to Square Drive 1000-1 Available in 1-1/2" and 1-3/4"The standard tach drive for MSD Tach Drive Distributors is a 3 16" tang drive cable. In most cases, this type drive will work, but for those who require the 0. 104" square drive (Corvette style), MSD offers a Tang to Square Drive Adapter to fit all MSD Distributors. The standard tach drive for MSD Tach Drive Distributors is a 3 16" tang drive cable. In most cases this type of drive will work, but for those who require the 0. 104" square drive