Cloyes® - Quick Button Timing Cover

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$29.06 - $178.48
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Quick Button Timing Cover by Cloyes®. Cloyes offers the most accurate, consistent, and highest quality performance cam drive components available. Cloyes was “first” with numerous innovations including the True® Roller timing chain and Hex-a-Just® timing system. Cloyes timing components deliver the durability and adjustability that racing engines require.



  • High-performance cam drive systems for high-performance street and track use
  • Supplier of the highest quality performance timing drive systems for over 40 years
  • Credited with numerous “firsts” and holder of many patented innovations for reliable and adjustable timing systems
  • Double roller timing chains and sprockets with various degrees of valve timing adjustment
  • Hex-a-Just True Roller Timing set adjusts valve timing +/- 6 degrees with just the turn of a wrench
  • Quick Button™ two piece timing cover makes adjusting Hex-a-Just even easier
  • Premium race timing sets are hand-matched to ensure correct camshaft center to crankshaft center distance
  • Dual idler gear drives
  • Matched gear sets
  • Cam buttons, thrust washers and bearings

As the world’s leading timing drive component manufacturer, with over 80 years of cam drive experience, Cloyes knows the importance of accurate valve timing. And nowhere is valve timing more important than on the race track, where being off even a few degrees can mean the difference between winning and losing. Cloyes first applied their cam drive expertise to high-performance engines when they printed their first high-performance catalog in 1966 and released the industry’s first “matched” performance timing gear sets. In the years since, Cloyes was first to offer a 3 keyway adjustable timing feature; a unique, patented, multi-keyway design that avoids installation errors; reduced center distance sets for align bored engines; a patented True Roller Timing Chain set; and an infinitely and easily adjustable Hex-a-Just timing system.

Cloyes has something for every level of high-performance and every budget, from low cost Heavy Duty Speed Sets to the Hex-a-Just, the industry standard in adjustable valve timing. The landmark True Roller timing chain delivers superior strength with full roller action. It features side plates that are cut and shaved from high-strength steel and heat treated for fatigue resistance, and rollers that are “cold rolled” and hardened to exacting standards, increasing load and RPM capabilities. All premium timing sets are hand-matched by trained technicians to ensure center distance and runout, and sets are available for applications where center distance has been reduced due to align honing or boring.

Being able to adjust valve timing gives you the ability to customize the torque and power curve to optimize your engine output according to need, with advanced timing delivering more torque at low RPM and retarded timing delivering more torque at high RPM. Cloyes has numerous solutions to enable valve timing adjustment including 3 or 9 keyway crank sprockets and Quick Adjust and Hex-a-Just cam sprockets. The Quick Button Two-Piece cast aluminum timing cover is the perfect accompaniment to the Hex-a-Just, with an easy to remove access plate that allows adjustment without the need to remove the entire cover.

The Cloyes name has been synonymous with the highest quality performance timing drives for over 40 years, and the company is committed to upholding that hard earned reputation and meeting the needs of racers and high-performance enthusiasts.

Cloyes® made its name as a successful manufacturer of high-quality OEM, Aftermarket, and High Performance automotive timing drive systems and components. The company also invented and patented the revolutionary True Roller timing set and Hex-A-Just adjustable cam timing technology. Quality is of the highest priority for the company. For this reason each Cloyes product goes through a number of advanced testing procedures and inspections before it reaches the customer.


Cloyes warrants its products to be free from defects in materials or workmanship for a period of 1 year. The warranty period begins on the date the product is delivered. The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance. During the warranty period, Cloyes will repair or replace, at no charge, a product that is defective in materials or workmanship. Cloyes reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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