SIERRA INTERNATIONAL machinery is a worldwide leader in the sale and support of processing equipment to the scrap and recycling Industries. We offer a full range of equipment to meet the demands of today's processing facilities. Sierra's equipment is built to last and is backed by the best service a...

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NGK iridium plugs represent the ultimate evolution of spark plug technology and performance. The iridium center electrode is both stronger and harder than platinum. This tapered cut iridium center electrode reduces the voltage requirement for spark. This

SP-SPARK PLUGS