Since 1921, Cloyes has been the trusted leader in automotive timing systems. As a critical component of the engine's timing system, the crankshaft 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, off-set and timing index 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
1957-1958	Buick Century
1959-1966	Buick Electra
1965-1966	Buick Gran Sport
1959-1963	Buick Invicta
1959-1964	Buick LeSabre
1958	Buick Limited
1963-1966	Buick Riviera
1957-1958	Buick Roadmaster
1965-1966	Buick Skylark
1957-1958	Buick Special
1957-1958	Buick Super
1963-1966	Buick Wildcat