Cloyes S621 Engine Timing Crankshaft Sprocket Engine Timing Crankshaft Sprocket

Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, Cloyes Timing Chain Sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
• Refer to our online catalog for detailed application-specific information
• Keep your engine's valve train in perfect time with Cloyes, the world leader in timing drive systems

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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