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DannoXYZ · July 25th, 2019, 01:56 PM

Main benefits of platinum and iridium plugs is durability giving you longer intervals between replacements. No performance benefits whatsoever. Sure, replacing old worn-out plugs with new will restore degraded performance back to stock. And this is what has been noticed by many as "improved performance". However, dyno-tests has proven over and over again that iridium plugs cannot give better-than-stock performance.

July 25th, 2019, 01:56 PM	#5
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	Main benefits of platinum and iridium plugs is durability giving you longer intervals between replacements. No performance benefits whatsoever. Sure, replacing old worn-out plugs with new will restore degraded performance back to stock. And this is what has been noticed by many as "improved performance". However, dyno-tests has proven over and over again that iridium plugs cannot give better-than-stock performance. Last futzed with by DannoXYZ; July 25th, 2019 at 03:06 PM.