Polaris Predator 500 Kibblewhite Head Intake Exhaust Valves RED Seals 2003-2007 YFM400 KPMI® nuts are single-point machined

KPMI® nuts are single-point machined from high tensile strength Aircraft Alloy Steel

outperforming lower-grade seals that can harden and fail

Forged Wiseco or Wossner piston kit*

Compatible with both pump gas and race fuel

Polaris Predator 500 Kibblewhite Head Intake Exhaust Valves RED Seals 2003-2007 YFM400 KPMI® nuts are single-point machined82 82052, 82 82055, 82 82012, 71017 4, 3087981, 3087982, 71014, 3087985, 3087984, 3087983, 3087981, 3087986, 3087982, 3087947 Upgrade your Polaris Predator 500 to a high performance racing machine with this complete valve and stem seals kit from the experts at Kibblewhite. Key features benefits: Complete set of 4 Kibblewhite Black Diamond stainless steel valves the best on the market Kibblewhite's innovative one piece valve design for improved