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
1950	Oldsmobile 88
1954-1957	Oldsmobile 88
1950-1956	Oldsmobile 98
1958	Oldsmobile 98
1961-1964	Oldsmobile 98
1951-1953	Oldsmobile Deluxe 88
1958	Oldsmobile Dynamic 88
1961-1964	Oldsmobile Dynamic 88
1953	Oldsmobile Fiesta
1957-1958	Oldsmobile Fiesta
1961-1963	Oldsmobile Fiesta
1964	Oldsmobile Jetstar I
1957	Oldsmobile Starfire
1961-1964	Oldsmobile Starfire
1951-1958	Oldsmobile Super 88
1961-1964	Oldsmobile Super 88