MSD Tach Drive Adapter, Brass, Converts 3/16 in. to .104 in. Drive # MSD8491 Rate_20 In an effort to save

In an effort to save you money and time

This intake manifold has bosses for rear water crossover

Includes accelerator pump seal and hardware to freshen your carburetor

They're perfect for any vehicle that came standard with a 2300 Holley flange

eliminating the hassle of plumbing an external model

MSD Tach Drive Adapter, Brass, Converts 3/16 in. to .104 in. Drive # MSD8491 Rate_20 In an effort to saveMSD Tach Drive Adapter, Brass, Converts 3 16 in. to . 104 in. Drive # MSD8491 Tach Drive Adapter, Converts 3 16 in. to . 104 in. Drive, Brass, Each MSD tach drive adapters are designed to fit MSD distributors using the 3 16 in. tang drive cable. They are made of bronze, and feature a 0. 104 inch square drive (Corvette style) drive cable end adapted to the 3 16 in. tang drive used on all tach drive MSD distributors.