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Your cart is empty.Sierra's 18-9802 Portable Timing Light is used to check ignition timing. It is self-powered and accurate up to 10,000 RPM's. The timing light is powered by two "D" cell batteries (not included). Includes one portable timing light per package. It is interchangeable with Mallory 9-79802; Chrysler/Force/US Marine 91-99379, FT8978, and FT8978-1; and Mercury Marine 91-35507, 91-35507A1, 91-35507A2, 91-99379, and FT8978-1. Each Sierra product meets or exceeds the original equipment part it replaces. Fit specific, check part numbers to ensure proper fit.
Bob Galloway
Reviewed in the United States on June 17, 2019
Just what i ordered, brand new item. Great shipping and a fair price.
LTT
Reviewed in the United States on July 29, 2014
Works well at a very good price
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