Cloyes is the industry leader, offering the most complete line of replacement timing drive systems (timing chain and gear drive) and components through the automotive aftermarket. The Cloyes name is also well known and respected in the high performance world. Cloyes developed and patented the very first True® Roller timing set in 1970. This innovative product and later patented products, like the Hex-a-Just® timing system, revolutionized the high performance timing field.

The latest Cloyes catalog offers over 125 performance sets, and countless other accessories like the Quick Button™ Timing Cover. The Cloyes 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, the 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.

Cloyes 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.

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

These products are application specific. Please click here and use our look up tool to find the correct part for your vehicle.