Information regarding the suitable spring series as well as recommendations for the spring rate can be found in the mounting instructions here: Installation Instructions

Manufacturer Part#:RFE-245-49-BLK

Fully optimized for use with or without Tech-Air® 5

Alpinestars - Youth MX Plus-2 Socks

KimpexHD - CDI Box HD (SF-030-000666) K-Type-Helmet Components & Pieces Information regarding the suitable springPeakRPM technology provides a more aggressive timing curve for increased throttle response Ride at full throttle with our application specific CDI box that raises the rev limiter by 1000 RPM Enjoy fast & easy installation included dielectric connector grease Wire connections may require modification during installation OEM grade electronic components and printed circuit boards for long term reliability and performance 90% of ignition issues are caused