Kawasaki - H2 - 9" - Roller SpiderThe roller spider advantage is unlike anything on the market. With a major increase in efficiency over the already efficient button spider, as well as a drastic decrease in belt temperatures. The Roller Spider is truly a necessary product for all horsepower enthusiasts. Add what color Roller Spider you would like in the ("Notes For Seller") section in checkout. Colors include: Orange, Black, Blue, Red, Purple, and Green. 300 hp or Lower Purple Spring