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GM Heavy Duty Timing Chain - 12646387
This is a heavy duty single roller chain that uses an improved alloy steel and the sideplates have an increased thickness to improve strength. If your are making cam change or a basic freshen-up on your engine, then you should consider replacing the timing chain. This chain can be used on all LS engi
5.0
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Thank You ! 🤓
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Aaron · August 7, 2026
As described packaged very well
Joshua · August 25, 2025
Great packaging great prices and had everything youll need will be back to buy more parts