Cloyes Engine Timing Chain P/N:C388
Keep the crankshaft and camshaft turning in precise sync with the Cloyes Engine Timing Chain C499. A timing chain synchronizes crankshaft and camshaft rotation to maintain accurate valve timing, and this inverted-tooth chain is a direct-fit replacement for a wide range of GM applications — including the 1977-1981 Buick Century 4.4L / 5.0L / 5.7L, 1977-1987 Buick Regal 4.4L / 5.0L / 5.7L, 1985-1998 Chevrolet Astro 4.3L, and many more across Buick, Cadillac, Checker, Chevrolet and GMC. See the "Vehicles it fits" section for the full list.
Specifications: 46 links, 0.5 in (12.7 mm) pitch, 11.38 in (288.93 mm) length, 0.62 in (15.75 mm) width, single-row, cataloged in the center position, with no timing marks. Country of origin: China. To help maintain full timing-system integrity, Cloyes recommends replacing the tensioners, guides and sprockets along with the chain during service.
What does this timing chain do?
It links the crankshaft and camshaft sprockets so the two rotate in sync, maintaining accurate valve timing. A worn or stretched chain can cause noise, timing errors and rough running.
What are the chain's specifications?
It's an inverted-tooth steel chain with 46 links, a 0.5 in (12.7 mm) pitch, 11.38 in (288.93 mm) length, 0.62 in (15.75 mm) width, single row, and no timing marks.
Does this chain have timing marks?
No. The catalog lists a Timing Mark Quantity of 0, so this chain does not include timing marks. Follow the vehicle service procedure to set correct timing during installation.
Should I replace other timing components too?
Cloyes recommends replacing the tensioners, guides and sprockets along with the chain during service to help maintain full timing-system integrity.
Will this timing chain fit my vehicle?
It fits many Buick, Cadillac, Checker, Chevrolet and GMC applications. Check the "Vehicles it fits" section and confirm your year, model and engine code before ordering.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.