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07-13 LS2/LS3 Cloyes Hex-A-Just Timing Set (1-Bolt Cam)
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The industry standard in adjustable cam timing. The Hex-A-Just True Roller timing set is infinitely adjustable to +6/-6 degree to allow a precise degree of your camshaft centerline. No machining required and no fumbling with offset bushings. Simply dial in your cam timing with the turn of a wrench, then tighten the cam bolts to lock the cam position in place.

Sprockets are machined from premium billet steel and induction hardened and oil-quenched using multi-stage heat treat process. Premium True Roller chain features superior strength with full roller action. Side plates are cut and shaved from high strength steel and heat treated for maximum fatigue resistance. The .250" rollers are "cold rolled" and hardened to exacting standards increasing load and RPM capabilities. All Hex-A-Just sets are hand matched at the Cloyes facility to qualify center distance and control run out.

Cloyes Hex-A-Just timing set includes billet steel gears and HD roller timing chain along with instructions for installation. Fits all 2007 LS2 or 2008-2013 LS3 with stock 1-bolt camshaft. Features 9 keyway sprocket vs. 3 keyway sprocket.

This item is proudly Made in the USA

Installation difficulty: 5

Our technicians have determined that the installation difficulty level of this item is a 5 on a scale of 1-5. Read more about our install ratings here.

Model Years

More Information
Generation C6
Model Year 2007, 2008, 2009, 2010, 2011, 2012, 2013


In 1921 Cloyes Gear and Products, Inc. was founded by Robert Cloyes in Cleveland, OH. Cloyes is a global supplier of automotive timing drive systems and components with over 95 years of history. Focusing on one product line allows us to concentrate all of our efforts on maintaining the very highest standards in quality, coverage, availability, and service. 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.

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