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1990-1991 Polaris Trail Boss 250 4x4
2008 Polaris IQ Turbo LX
Track Pack contains 54 pieces of the hardware riders need and replace most often
Available in dark smoke
available as an optional upgrade
Denso 4114 U-Groove Standard Spark Plug - X27ES-U suspension-fork-brace 1990-1991 Polaris Trail Boss 250Spark Plug Code: X27ES U Thread 12mm. Reach3 4in.. Six times harder than platinum, iridium doesnt melt in temperatures up to 4,000F. Because the iridium electrodes of these plugs can be shrunk to only 0. 4mm, voltage requirements decrease while firing performance improves. 360 laser welding of electrode provides a seal that resists wear even in the worst conditions. Ground electrode features a tapered cut and U groove that form a large volume area for
