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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
The rugged design withstands harsh weather
their integrated finish accentuate the streamlined designs
Crew SP 570
The stock charge tube on your Polaris RZR XP Pro wasn’t built to last
RACINGVALVE SPRING KIT Category_Default Category/SLED/Polaris/AXYS 800 H.O. '15-17/Clutching The rugged design withstands harshKPMI valve springs are wound from Premium Kobe Super Clean Chrome Silicon Wire. KPMI valve springs are heat treated, stress relieved, and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.
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