Spi A-04-0-4-131 Ripper Four75 Runners drive-primary-drive-inner-primary Variety of Adjustable Venting options

Variety of Adjustable Venting options for driver/passenger comfort

Polaris Sportsman 500 HO Touring 2011-2012

2008-2009 Ski-Doo Skandic 550F WT

Axle Size 15

2018 Arctic Cat XF 6000 Crosstrek ES

Spi A-04-0-4-131 Ripper Four75 Runners drive-primary-drive-inner-primary Variety of Adjustable Venting optionsSPI Code: 131 7 16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for extreme durability and hardness to reduce chipping and increase longevity. The 90 degree angle of carbide into the pocket of our runners makes for very large cross sections compared to other designs. 1in. Carbide segments allow for flex in ski without