Products

High Performance Products

Z-SERIES RACING TIMING CHAIN

Z-Series Racing Chains take your timing set to the pinnacle of durability. It is the No. 1 choice of top professional teams in sprint, circle, track, drag, and off-road racing.

• The exclusive Cloyes “Z” chain is the most durable and dependable chain available today - offering 33% more overall strength than current premium chain
• The double roller Z-Chain is made from high strength steel with proprietary heat-treat processing. The fine blanked links reduce stress risers, thus reducing fractures under severe load
• The press fit center links improve load share by reducing load spikes on any single component and providing greater overall strength
• The “Z Racing” series is the choice for those extreme custom engine builds that demand no compromise

HEX-A-JUST™ TRUE™ ROLLER TIMING SETS

An industry breakthrough when introduced in 1992, the Cloyes Hex-A-Just True Roller Timing Set is the industry standard in adjustable cam timing. 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
• The Hex-A-Just True Roller Set requires no machining or 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
• 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
• 3-Keyway billet crank sprocket
• All sets are hand-matched at factory to ensure accurate center distance

QUICK BUTTON™ TWO-PIECE TIMING COVER

The perfect addition to Hex-A-Just® True® Roller Timing Set is Quick Button Two-Piece Timing Cover. Quick Button Two-Piece Timing Cover provides easy access to cam timing adjustment, saving hours of set-up time on the dyno or at the track.

• The built-in cam button allows you to adjust cam endplay with the cover in place
• Made from die cast aluminum
• O-ring seal and timing cover bolts included
• Accepts OEM style timing cover gasket and crankshaft seal
• Note: not designed to work with Cloyes Quick Adjust Timing Sets

RACE BILLET TRUE™ ROLLER TIMING SETS

Cloyes Race Billet True Roller Timing sets provide race-ready performance!

• These sets feature sprockets machined from premium billet steel on state-of-the-art CNC equipment to ensure the highest quality and consistency
• Sprockets are induction-hardened and oil-quenched by in-house, multi-stage heat treat process
• O-ring seal and timing cover bolts included
• Accepts OEM style timing cover gasket and crankshaft seal
• Sets include a Cloyes Premium True Roller chain, which features full roller action and superior strength
• Side plates are cut and shaved from high-strength steel and are heat-treated for maximum fatigue resistance
• The .250-inch rollers are cold-rolled and hardened to exacting standards, increasing load and rpm capabilities
• Cloyes Race Billet True Roller Speed Sets are offered with a choice of 3-or 9-keyway crank sprockets, providing multiple valve timing settings
• Sets are hand-matched to qualify center distance and runout, ensuring the best performance with every set
• Some applications available with Z-Chain

RACE TRUE™ ROLLER TIMING SETS

Introduced by Cloyes in 1970, competitors may say they have a true roller but only Cloyes has the original.

• Cloyes Race True Roller Timing Sets feature full roller-action chains made from high-strength steel for superior durability
• Cam sprockets are made from heat-treated cast or ductile iron, while crank sprockets are machined from heat-treated, high-carbon steel for strength
• The .250-inch rollers are cold-rolled and hard-ended to exacting standards, increasing load and RPM capabilities
• With three keyways for adjustability (4 degrees advanced, 4 degrees retarded, and normal), Cloyes Original race true roller timing sets are hand-matched to ensure precise chain tension
• Many applications available in .005” and .010” undersize
• Some application available with Z-Chain

STREET BILLET TRUE™ ROLLER TIMING SETS

Cloyes Street True Roller Timing Sets offer a new level of True Roller advantage for the value-driven racer.

• Precision-machined, cast iron cam sprockets and induction-hardened, billet steel crank sprockets
• Crank sprockets have three keyways for timing adjustment—4 degrees retarded, 4 degrees advanced, and normal
• Chains are rugged, double-row types with oversized .250-inch True Roller Chains that deliver long life and reliability
• Adjustability in 2 crank degree increments

STREET TRUE™ ROLLER TIMING SETS

• Street True Roller Timing Sets feature cast iron cam sprockets, 3-keyway induction-hardened billet steel crank sprockets, and .250-inch True Roller Chains
• These features, combined with our precision CNC machining, offer unmatched quality

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 industrys most reliable workhorses

Stock Replacement Products

TIMING CHAIN KITS

Leveraging its expertise in timing drive systems, Cloyes utilizes the latest in design and technology to offer complete timing chain kits.

• The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

VARIABLE VALVE TIMING CHAIN KITS

• Cloyes newest product line, Variable Valve Timing (VVT) Chain Kits, offer technicians a complete repair solution for higher mileage vehicles
• Designed for the replacement of worn or damaged timing chains, tensioners, sprockets, guides, and VVT actuators, also known as cam phasers
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• VVT components are 100% tested during production. Test parameters include adjustable angle, leakage, locking pin functionality, friction, max oil flow, and holding duty cycle
• VVT Chain Kits include new camshaft phaser torque-to-yield (TTY) attachment bolts to ensure proper installation and phaser function
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING CHAIN WATER PUMP KITS

• Designed for the replacement of worn or damaged timing chains, tensioners, sprockets, guides, and water pumps, Cloyes timing chain water pump kits provide professional technicians and do-it-yourself customers with a complete repair solution
• Tested in a full operational RPM range with eight different test parameters, including torque, flow, outlet pressure, temperature, inlet pressure, axis power, efficiency, and lift
• Timing chain-driven water pumps should always be replaced at the same time as the timing chain to reduce warranties, customer comebacks, and preserve long-term system performance
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING CHAINS

Cloyes Timing Chains, which are available in kits or as a stand-alone product, are pre-stressed and heat-treated for increased durability.

• A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engine’s valve events for each cylinder
• Chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
• From stock replacement to high performance, Cloyes has the most complete timing chain catalog
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING CHAIN TENSIONERS

A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic pressure to properly tension the system.

• Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience. All Cloyes timing chain tensioners meet or exceed OEM performance requirements
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING CHAIN SPROCKETS

Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Cloyes timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation.

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, Cloyes Timing Chain Sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING CHAIN GUIDES

A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements, Cloyes Timing Guides, which are available in kits or as a stand-alone product, utilize the latest in design and material technology, ensuring quiet and maintenance-free experience.

• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

VARIABLE VALVE TIMING SOLENOIDS

• One of Cloyes newest product lines, Variable Valve Timing (VVT) Solenoids, offer technicians a repair solution for higher mileage vehicles
• Designed for the replacement of malfunctioning VVT Solenoids
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, coil/insulation resistance and durability to ensure optimal performance
• VVT solenoids are 100% tested during production. Test parameters include fitment, leakage, maximum oil flow, and holding duty cycle
• Cloyes VVT Solenoids include new attachment bolts to ensure proper installation and solenoid function, and utilize the OEM wiring connectors
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

VARIABLE VALVE TIMING SPROCKETS

• One of Cloyes newest product lines, Variable Valve Timing (VVT) Sprockets, offer technicians a repair solution for higher mileage vehicles
• Designed for the replacement of worn or damaged VVT actuators or VVT sprockets, also known as cam phasers
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• VVT components are 100% tested during production. Test parameters include adjustable angle, leakage, locking pin functionality and friction
• VVT Chain Kits include new camshaft phaser torque-to-yield (TTY) attachment bolts to ensure proper installation and phaser function
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING BELT KITS

Cloyes Timing Belt Kits include all components for a complete, quick, and efficient timing belt replacement.

• Cloyes utilizes the latest in design and technology to offer complete timing belt kits that meet or exceed OEM performance requirements and ensure quiet and maintenance-free experience
• Conveniently packaged in one box, these kits may include a timing belt, belt tensioner pulley, and belt idler
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested for function, fitment, and durability to ensure optimal performance
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING BELTS

As timing drive system experts, we’ve expanded timing belt offering to provide customers with the highest quality timing belts.

• Cloyes’ timing belts utilize the latest in design and technology to meet or exceed OEM performance requirements and ensure quiet and maintenance-free experience
• Cloyes recommends the belt tensioner(s) and belt idler(s) also be replaced when the belt is replaced as these components play a vital role system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING BELT TENSIONERS

Designed to absorb changes in the loss of timing belt tension, Cloyes Timing Belt Tensioners provide constant tension on the timing belt during crankshaft revolution which reduces noise, prevents belt flapping, and ensures proper transmission efficiency throughout the entire service life of the belt.

• Tensioners are designed to provide the same fit and function, providing durable long-lasting performance
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the belt tensioner(s) and belt idler(s) also be replaced when the belt is replaced as these components play a vital role in supporting the belt and keeping it tight
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems

TIMING IDLERS

A timing belt idler is a pulley that helps route the timing belt in its correct position. Depending on the size and length of the belt and engine, there can be one or more idler pulleys within a timing system.

• Cloyes Timing Idlers are designed for the replacement of worn timing belt idlers and meet or exceed OEM performance requirements
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the belt tensioner(s) and belt idler(s) also be replaced when the belt is replaced as these components play a vital role in system stability and accurate timing
• Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems