GM Performance Timing Sets

Performance upgrade for the LT1 and LT4.
GM Performance Parts Extreme Duty roller timing chain sets aren't production-replacement components, but they are a great performance upgrade. They're for 1995 and newer "Gen II" LT1 and LT4 engines. The sets include a roller timing chain plus steel cam and crank sprockets, as well as a steel water-pump gear. These sets are for use with pin-drive camshafts only.

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