2027 Polaris ProStar S4 INDY SP 137

THE GATEWAY TO TRAIL PERFORMANCE
Hit the trails confidently with a smooth ride and effortless handling—all at an unbeatable value. 

MATRYX PLATFORM
Narrow Cockpit for Precise Control

PRO-CC REAR SUSPENSION
Comfort & Performance

2 ENGINE OPTIONS
ProStar S4 or 650 Patriot

CONTROL YOU CAN FEEL
Cruise the trail effortlessly. When winter opens its playground, the INDY SP delivers unmatched comfort and intuitive control, making every mile smooth and confident.

Enjoy a Smoother Ride
INDY SP’s Polaris IFP shocks help soak up bumps, delivering a smooth and stable ride. Stay comfortable and in control, even on rough terrain. 

Easy Handling, Endless Fun
The rider-first design of Matryx is narrow and easy to move around, reducing fatigue and boosting control on every ride.

Confident Trail Riding
With solid traction and smooth cornering, the 1.25 Ripsaw II track handles hard-packed snow like a pro while keeping things easy and fun. A great choice for riders who want dependable performance without overcomplicating the ride.

ADVENTURE STARTS WITH POWER
Every element of the INDY SP is designed for predictable handling and smooth control, so new riders can focus on fun, and not worry. It’s the perfect sled to build skills and enjoy the trail.

Engines
Choose the engine that fits your ride. The ProStar S4 offers smooth control and fuel efficiency, while the 650 Patriot engine delivers responsive power for confident performance. 

Platform Geometry
With its lightweight design and intuitive feel, the Matryx platform makes riding simple and fun—ideal for long days on the trail.

Front Suspension
The INDY SP’s Matryx front suspension brings years of know-how into a design that feels smooth and responsive. It’s built for easy handling and confident performance on the trail, so you can just enjoy the ride.

PRO-CC Rear Suspension
Ride confidently with PRO-CC rear suspension. Its coupled design helps you stay steady over bumps and balanced through acceleration—so rough trails feel smoother and easier to handle.

TECH THAT MATTERS
Ride with confidence thanks to smart technology designed to keep you relaxed and in command from start to finish.

MESSAGECENTER DISPLAY & STORAGE
The MessageCenter Display delivers all the critical ride data you need on an easy-to-read screen. Clear, bright, and built for any condition—so you can focus on the ride, not the details. Plus, the industry's largest behind-the-display storage for built-in convenience.

ACCESSORY 7S DISPLAY
Plan, track, and share your ride with the 7S Display powered by RIDE COMMAND when you add it as an accessory. The 7" glove-touch display is purpose-built for snowmobiles with GPS navigation with over 380,000 miles of offline trail data, and sled-to-sled Group Ride technology to see your ride group with or without cell coverage.

SMART WARMERS
Polaris-exclusive Smart Warmers heat up fast and maintain your perfect temp—no matter the weather. Set thumb and hand warmth separately to customize your comfort even further. 

LED HEADLIGHT & TAILLIGHT
Light your way with the LED headlight and taillight that shine brighter, giving you a clearer view of the trail ahead and helping you stay visible to others.

Features May Include:

PROSTAR S4 INCLUDES:

• Shock Package: Polaris IFP
• Available Tracks: 1.25 Ripsaw II
• Starting System: Electric
• Display: MessageCenter Display
• Front Suspension: Matryx Front Suspension
• Rear Suspension: PRO-CC