MSD Pro Stock Hemi Tube (Set of 8) 31012BL 12 AN Female Swivel to

12 AN Female Swivel to 12 AN Male O-Ring

1964-1976 Plymouth Valiant

1970-1981 Cadillac DeVille

Ultra-lite steel spools have more lightening holes and a narrower ring gear flange than standard units to help reduce rotating weight

Available in five (5) sizes

MSD Pro Stock Hemi Tube (Set of 8) 31012BL 12 AN Female Swivel toMSD has new ignition accessories for Ford and Chrysler Hemi Pro Stock engines. These engines heads have a long, skinny tube machined in the head to access the spark plug. This narrow passage makes it considerably difficult to install spark plug wires. MSD answers with a new injection molded spark plug wire boot that reaches down to securely connect the wire to the spark plug. The set of eight includes the tubes and components to assemble the wire for