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The R&D RXP Pro Series Sponson Kits main feature includes an ultra strong cast aluminum CNC machined backing plate, which is far superior over plastic backing plates with furniture inserts for threads! The R&D Sponson Kit offers 2-position sponson blade adjustability, which will guarantee this kit to out perform any other 1 up, 2 up or 3 up! The R&D Pro Series Sponson Kit offers a smoother more predictable ride with much better low and high speed turning capabilities! Track tested and race proven!

R&D G-FORCE SPONSON'S are designed and tested to deliver superior cornering, unmatched speed, and improved straight line stability. R&D Pro Series Sponson Kits main feature includes an ultra strong cast aluminum CNC machined backing plate, which is far superior over plastic backing plates with furniture inserts for threads! R&D Sponson Kits offer more adjustability than the competition, which will guarantee to out perform any other 1 up, 2 up, or 3 up! The R&D Pro Series Sponson Kits offer a smoother more predictable ride with much better low and high speed turning capabilities! Track tested and race proven!