Cloyes C975 Engine Timing Chain

Cloyes C975 Timing Chain for Subaru Timing Service

The Cloyes C975 is a steel single roller engine timing chain built for precise crankshaft and camshaft synchronization. It is a direct-fit timing chain solution for Subaru applications that require accurate valve timing and stable engine operation.

Key Features

• Brand: Cloyes Timing Chain
• Part number: C975
• Steel single roller chain construction
• Timing marks included for alignment
• 130-link chain with 0.315 in / 8 mm pitch
• 0.484 in / 12.29 mm chain width
• 20.5 in / 520.7 mm chain length
• 3 timing marks for service reference
• OE-level fit and chain-to-sprocket tooth engagement

Product Details

Cloyes has focused on timing systems since 1921, and the C975 timing chain reflects that experience with heat-treated, pre-stressed construction and a design intended to maintain accurate synchronization under engine load. This timing chain is used in Subaru timing service where precise valve timing matters, including Subaru Ascent, Legacy, Outback, Impreza, Crosstrek, Forester, WRX, BRZ, and XV Crosstrek applications. If you are replacing a worn Subaru timing chain, C975 provides a service-ready replacement for engines that use a single roller chain with timing marks.

This part cross-references Subaru OE number 13143AA110 for the same application.

What It Helps Address

• Timing chain stretch that can affect camshaft and crankshaft synchronization
• Noise from a worn or fatigued timing chain
• Incorrect valve timing caused by chain wear
• Service issues during Subaru timing chain replacement
• Restoring stable engine timing in high-mileage Subaru timing systems

Installation Notes

For timing system service, Cloyes recommends replacing the chain together with the tensioners, guides, and sprockets to maintain timing system integrity. Verify timing marks during installation and confirm the chain matches the engine’s required pitch, width, and link count before assembly. This part is used in Subaru timing chain service for models such as the Legacy, Outback, Forester, and WRX, so confirm engine-specific application details before installation.

Quality Assurance

Cloyes manufactures timing components from premium materials and backs its products with industry support and technical assistance. The C975 is engineered for accurate chain-to-sprocket fit, quiet operation, and long-term durability in OE-style timing service.