GMC K15 Engine Timing Parts

High Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. 0.250 in. Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

Product Features:

• A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder.
• Our 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
• Refer to our online catalog for detailed application-specific information
• Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems

Premium High Performance 3/8″ Pitch Double Roller Replacement True Roller “Z” Chain. 0.250″ Roller Diameter. Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. Featuring a Press Fit Center Link design that Increases Load Distribution. Heat Treated and Processed Links to Maximize Ulitimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

Product Features:

• A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
• Our 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
• Refer to our online catalog for detailed application-specific information
• Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Low swell in hydrocarbon fluids
• Design type: spring loaded; multi-lip
• Provides good low temperature capability
• Temperature range: -40°F to 225°F; -40°C to 107°C
• Delivers quality and reliable performance for every type of repair

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Designed to repair damaged, grooved or worn shafts
• Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
• Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
• Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
• Easy to install with removable flange and installation tool
• Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Engine$aver Hardware cost-saving application
• Repairs worn sealing surfaces to assure a leak free repair
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Validated for fit, form, and function

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Engine$aver Hardware cost-saving application
• Repairs worn sealing surfaces to assure a leak free repair
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Validated for fit, form, and function

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that 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
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that 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
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
• Helical tooth form for quiet operation and precision machined bore for true fit
• CAD designed and manufactured using premium materials to ensure optimal performance
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

Precision timing tape can be used on a factory balancer to create HP through accurate timing, and makes setting valve lash simple.

Product Features:

• 6 3¿4″ diameter
• 6 3┐4″ diameter
• 305, 350 cu. in. 1969-93
• Increased Performance
• Set Valve Lash At Proper Time

QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST). Includes Fully Rollerized Endplay Adjustable Cam Button. A Perfect Compliment to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.

Product Features:

• QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
• Includes Fully Rollerized Endplay Adjustable Cam Button
• A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.

Machined Aluminum Center Plate; Threaded for Rollerized Cam Button; Grooved for O-Ring Seal; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:

• Machined Aluminum Center Plate
• Threaded for Rollerized Cam Button
• Grooved for O-Ring Seal
• Meets or exceeds OEM performance requirements
• Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

QUICK BUTTON Two-Piece Timing Cover Replacement Kit; Includes all the Required Cap Screws, O-Ring and Rollerized Button; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:

• QUICK BUTTON Two-Piece Timing Cover Replacement Kit
• Includes all the Required Cap Screws, O-Ring and Rollerized Button
• Meets or exceeds OEM performance requirements
• Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that 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
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that 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
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

Timing Gear Set includes all components for a quick and efficient replacement

Product Features:

• Utilizes the latest in design and technology to offer complete chain sets
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience
• Refer to our online catalog for detailed application-specific information
• Set Includes: Camshaft Gear, Crankshaft Gear.

Product Features:

• Precision Gear Drive System
• Accurate Timing Control
• No Chain To Stretch
• Smooth Cam Rotation For Precise Valve Timing
• Accurate and Multiple Cam Timing Settings
• Compatible With All Standard Camshafts

Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings for 16 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).

Product Features:

• Bolts on with existing timing cover bolts
• Chrome plated steel is a much better compliment for chrome timing covers
• Markings for 16 degrees BTDC to 8 degrees ATDC

Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings from 14 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).

Product Features:

• Bolts on with existing timing cover bolts
• Chrome plated steel is a much better compliment for chrome timing covers
• Markings for 14 degrees BTDC to 8 degrees ATDC

This engine timing tab is designed to match the fit and function of the original tab on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

• Direct replacement – this engine timing tab is designed to match the fit and function of the original tab on specified vehicles
• Restores functionality – reliable replacement for an original part that has failed due to corrosion or a broken weld
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings from 16 degrees before top dead center (BTDC) to 4 degrees after top dead center (ATDC).

Product Features:

• Bolts on with existing timing cover bolts
• Chrome plated steel is a much better compliment for chrome timing covers
• Markings for 16 degrees BTDC to 4 degrees ATDC

HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

• 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
• Refer to our online catalog for detailed application-specific information
• Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

• 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
• Refer to our online catalog for detailed application-specific information
• Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

• 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
• Refer to our online catalog for detailed application-specific information
• Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

• 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
• Refer to our online catalog for detailed application-specific information
• Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.