Inner Timing Crankshaft Sprocket for 2015-2017 Ford F-150 & More - Cloyes S1139

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 sup erior 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.

• 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
• Backed by Limited Lifetime Warranty and over 100 years if engineering leadership with unmatched technical support and repair confidence in every component
• Features precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs
• Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience