Westside Powersports Inventory

2026 Polaris® ProStar S4 INDY SP 137 Gloss Black Built to Deliver Spirited Trail Performance. Cruise the trail and visit new places. When the snow starts to fly and the winter playground opens up, INDY SP provides comfort and control to navigate the trail system. Features may include: Rider First Design. Effortless Control. The INDY on the Matryx ...