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Pirelli continues to develop high-performance
2025 Arctic Cat M 858 Mountain Cat Alpha One ATAC ES 146
2002-2004 Polaris 600 PRO X
2014-2025 KTM 350 XC-F
Pro-X 28.SIS2444-2 Valve and Spring Kit tires-wheels-wheel-seals Pirelli continues to develop high-performanceReplaces the OEM valves and valve springs. Steel, nitrided valves for increased durability and less wear under extreme conditions. Stronger valve springs deal with the extra weight of the steel valves. Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm. Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases
US$ 36.00
US$ 33.00
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