MSD Tach Drive Adapter, Brass, Converts 3/16 in. to .104 in. Drive # MSD8491 Rate_20 7L V8 Edelbrock Complete Nitrous

7L V8 Edelbrock Complete Nitrous System Kit # ED70217

Fastener Nut Style:

ARP Hex Nuts 5/16 -24 hex flanged nut#200-8665

Primary Stage Opening Vacuum:6

MSD Tach Drive Adapter, Brass, Converts 3/16 in. to .104 in. Drive # MSD8491 Rate_20 7L V8 Edelbrock Complete NitrousMSD 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.