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Your cart is empty.Spark plug set 816608Q83 is for use on V-8 MerCruiser engines (305, 350 and 377 CID) made by General Motors with Mercury ignition systems (1999 through 2001). The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and power sports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.
Ronald H.
Reviewed in the United States on October 15, 2022
Very good quality and meets all of the specs.
J MILLER
Reviewed in the United States on January 6, 2021
Fit my 92 Bayliner with a 305 V8 engine with no problemsThey work great no misfire in my engine anymore
Sal
Reviewed in the United States on June 8, 2019
Oe quality
Mike Coleman
Reviewed in the United States on August 28, 2014
As described
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