High Performance Z-SERIES RACING TIMING CHAINHEX-A-JUST® TRUE® ROLLER TIMING SETSQUICK BUTTON™ TWO-PIECE TIMING COVERRACE BILLET TRUE® ROLLER TIMING SETSRACE TRUE® ROLLER TIMING SETSSTREET BILLET TRUE® ROLLER TIMING SETSSTREET TRUE® ROLLER TIMING SETSHEAVY DUTY TIMING SETS find my part HEAVY DUTY TIMING SETS Cloyes Heavy Duty Timing Sets supply everything you need from a timing chain—performance and reliability. Cam sprockets are machined from cast iron with billet steel crank sprockets Available in single or double roller versions and offer .200-inch (for small blocks) or .222-inch (for big blocks) diameter double roller chains Considered the industry's most reliable workhorses find my part PREVIOUSStreet True® Roller Timing Sets NEXTZ-Series Racing Timing Chain