Since 1921, Cloyes has been the trusted leader in automotive timing systems. As a critical component of the engine's timing system, the camshaft sprockets work in unison with the timing chain, tensioners, guides, and other sprockets, to ensure precise timing. Cloyes engine timing crankshaft sprockets are precision-tooled with exact tooth geometry and a perfectly matched bore for superior fit, reliability, and long-term performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

• Features precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs
• CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
• Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
• Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
• Backed by Limited Lifetime Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component

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Application Summary:

Year	Make/Model
2004-2006	Chevrolet Avalanche 2500
2004-2009	Chevrolet C4500 Kodiak
2004-2009	Chevrolet C5500 Kodiak
2004-2009	Chevrolet C6500 Kodiak
2004-2009	Chevrolet C7500 Kodiak
2004-2006	Chevrolet Silverado 2500 HD
2004-2006	Chevrolet Silverado 3500
2004-2006	Chevrolet Suburban 2500
2005-2008	GMC C4500 Topkick
2005-2008	GMC C5500 Topkick
2005-2008	GMC C6500 Topkick
2005-2008	GMC C7500 Topkick
2005-2006	GMC Sierra 2500 HD
2005-2006	GMC Sierra 3500