Cloyes Timing Chain Set - BB Chevy 3 Piece Threaded Nut Insert The different sizes available are

The different sizes available are intended for a class of cars traveling at certain speeds

`-4AN male to 1/8" NPT male

quick gear changes

Fits Chevy intakes

Removable / Replaceable Cheek Pad and Fit Pad System

Cloyes Timing Chain Set - BB Chevy 3 Piece Threaded Nut Insert The different sizes available areProduct Description: Timing Chain Set Heavy Duty Double Roller Steel Big Block Chevy Cloyes was founded in the early 1920s in Cleveland, Ohio, by Raymond Cloyes, who started the business by manufacturing by hand a small quantity of replacement fiber and aluminum timing gears for trucks and automobiles. Thus began the story of Cloyes Gear Works, now known as Cloyes Gear and Products, Inc. Cloyes was the first to offer a line of replacement timing