For over 40 years, the Cloyes name has been synonymous with the highest quality, performance timing drives. Cloyes is committed to upholding their hard-earned reputation, and meeting the high expectations of today’s racers.

Cloyes was the FIRST to offer . . .factory matching to ensure accurate and consistent center distance, a three keyway adjustable timing feature, a unique, multi-keyway design that avoids installation errors (patented), reduced center distance sets for align bored engines, a TRUE® Roller timing chain set (patented), an infinitely and easily adjustable, Hex-a-Just®, timing system (patented)

Cloyes now offers over 125 performance sets, and countless other accessories like their Quick Button™ Timing Cover. Their product line offers something for every level of racer. They have a complete listing of Heavy Duty and entry level Street True® Roller sets for the budget minded racers. And for serious performance, their Original True®, Billet True®, Hex-a-Just® and Quick Adjust® True® Roller sets are the class of the field.

The patented Hex-A-Just® was an industry breakthrough when first introduced in 1992. The accuracy and simplicity of the Hex-A-Just® system will save you hours of valuable set-up time. Sprockets are made of SAE 1144 induction heat-treated, billet steel. Matched with Cloyes Premium True® Roller chain, this set gives you unmatched performance.

Their Dual Idler Gear Drives are cut from billet steel, and heat-treated for extreme durability. The Heavy Duty Idler Shafts are the key to an accurate and consistent Power Stroke.