Engine Kits

Cloyes Hex-A-Just True Roller Timing Set

Cloyes Hex-A-Just True Roller timing Set — the industry standard in adjustable cam timing.

An industry breakthrough when introduced in 1992. Since then the accuracy and simplicity of the Cloyes Hex-A-Just® True® Roller timing Set system has been unmatched by Cloyes competitors. The Hex-A-Just® True® Roller Set is infinitely adjustable to plus or minus six degrees.

No machining required, 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. When combined with Cloyes Quick Button™ Two Piece timing cover, this Cloyes’ patented technology will save you hours of valuable set-up time.


Sprockets are made from SAE 1144 Billet Steel, CNC machined, and then induction hardened to Rc48. The Premium Cloyes True® Roller chain features superior strength with full roller action. The side plates are made from heat-treated, high strength steel, and the .250” rollers are cold rolled, and hardened to exacting standards. On Cloyes Chevrolet applications, you also get the Cloyes patented “Cheater” sprocket tooth profile that provides better chain wrap and a smooth transition. Whether your destination is the street or the track, Hex-A-Just® will get you there fast!

Hex-A-Adjust® Sets feature: 

  • Billet Steel, Induction Hardened  Sprockets 
  • Cloyes’ Patented Hex-A-Just® allows for +/- six degrees adjustment 
  • Premium Cloyes True® Roller Chain with .250” diameter rollers 
  •  3 Keyway Billet Crank Sprocket 
  • All sets “Hand Matched” at factory to ensure accurate center distance

All Ford, Oldsmobile and Pontiac Hex-A-Just® Speed Sets include a one piece fuel pump eccentric



This product is in the following categories:

HomeEngine PartsTiming ComponentsTiming Sets Performance

Manufacturer:

Cloyes

Part #: 9-3100A

Fits: 262, 265, 267, 283, 302, 305G, 305H, 307, 327, 350 and 400 Without factory roller camshaft.
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Part #: 9-3122A

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Part #: 9-3158A

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