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
1986-1993	Buick Century
1986-1987	Buick Electra
1986-1988	Buick LeSabre
1986-1987	Buick Riviera
1986-1993	Buick Skylark
1986-1987	Buick Somerset
1985	Buick Somerset Regal
1986-1987	Oldsmobile 98
1992-1993	Oldsmobile Achieva
1985-1987	Oldsmobile Calais
1988-1991	Oldsmobile Cutlass Calais
1986-1993	Oldsmobile Cutlass Ciera
1987-1993	Oldsmobile Cutlass Cruiser
1986-1987	Oldsmobile Cutlass Salon
1986-1987	Oldsmobile Cutlass Supreme
1986-1987	Oldsmobile Delta 88
1986-1987	Oldsmobile Toronado
1987-1988	Pontiac Bonneville
1985-1987	Pontiac Grand Am
1992-1993	Pontiac Grand Am