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
1979-1981	Buick Century
1980	Buick Electra
1980	Buick Estate Wagon
1977-1980	Buick LeSabre
1979-1981	Buick Regal
1977	Buick Skylark
1977-1981	Pontiac Bonneville
1977-1981	Pontiac Catalina
1977	Pontiac Firebird
1979-1981	Pontiac Firebird
1978-1980	Pontiac Grand Am
1977	Pontiac Grand LeMans
1979-1981	Pontiac Grand LeMans
1977-1981	Pontiac Grand Prix
1977	Pontiac Grand Safari
1981	Pontiac Laurentian
1977	Pontiac LeMans
1979-1981	Pontiac LeMans
1981	Pontiac Parisienne
1977	Pontiac Ventura