Labor Day Sale: 6,451 discounted parts Shop now

50 Caliber Racing  |  SKU: 4449A3
Sold out

Polaris Sportsman 90 Top End Cylinder Kit

0 reviews
Regular price $8999
Shipping calculated at checkout.


Description

Revive Your Polaris Sportsman 90 with a Premium Top End Cylinder Kit

Bring your Polaris Sportsman 90 back to life with the 50 Caliber Racing Top End Rebuild Kit. Engineered to meet OEM specifications, this comprehensive kit includes everything needed to restore your engine's performance and ensure countless more years of trail-ready fun. Give your ride the top-end overhaul it deserves and get back to making memories.

Stock Replacement
OEM Spec Quality
Complete Kit
Everything Included
Kid's Joy
Unbeatable Smile Factor
Years of Enjoyment
Extends Toy Life

What’s in the Box (Based on selected options)

Cylinder
High-quality replacement cylinder
Piston
Precision-engineered piston
Piston Rings
Set of 2 high-performance rings
Gaskets
Head and base gaskets included
Spark Plug
Brand new spark plug
Fuel Filter
Essential fuel filtration
Air Filter
Replacement air filter included

Why Riders Upgrade

🛠️
Direct OEM Replacement
Designed to meet original specifications for a perfect fit.
💪
High-Quality Components
Built with durable materials to ensure longevity and performance.
💰
Cost-Effective Rebuild
Restore your engine's power without the expense of a full replacement.
🚀
Restored Performance
Get back the lost power and responsiveness your ride once had.
In Stock & Ready To Ship

Processing: Packed with care before shipment

Tracking: Sent when shipped

Confirmation: Sent after checkout

Although rare, some delays may occur. We’ll keep you updated every step of the way.

Sportsman 90 vs. Stock or Generic Options

STOCK [PRODUCT TYPE]
May not meet OEM specs
Inconsistent quality
May require additional parts
Shorter lifespan
Performance degradation
⚡ 50 Caliber Racing
Meets OEM specs
High-quality components
Complete kit with gaskets
Restores engine life
Reliable performance restoration

Vehicle Fitment

Polaris Predator 90
2003-2006
Polaris Scrambler 90
2001-2003
Polaris Sportsman 90
2001-2006

Common Questions

Is this kit a direct replacement for the stock cylinder?Yes, this kit is designed to meet OEM specifications for a direct fit and function.

What is included in this top end kit?The kit includes the cylinder, piston, piston rings, head gasket, base gasket, spark plug, fuel filter, and air filter.

Will this kit restore lost power?Yes, this kit is designed to restore lost power and performance due to wear on the original top end components.

Is this kit difficult to install?While engine work requires some mechanical skill, this kit is designed for a straightforward installation, similar to stock replacement parts.

Customer Favorite
🏆
Quality Guaranteed
🛠️
Expert Support
📦
Secure Packaging

What Riders Are Saying

This kit was a lifesaver! My son"s Sportsman 90 was sitting for years, and this top end kit brought it right back to life. Everything fit perfectly and the quality is impressive for the price.
— Mike D., Ohio
Easy to install and works great. My daughter is thrilled to be riding again. Highly recommend this kit for anyone needing to rebuild their Polaris 90 top end.
— Sarah K., Texas

Get Your Polaris Sportsman 90 Running Like New

Don't let a worn-out top end keep you off the trails. Restore performance and reliability with the 50 Caliber Racing Top End Cylinder Kit.

Order today and experience the difference quality parts make.

Vehicle Fitment

Polaris Predator 90 — 2003-2006
Polaris Scrambler 90 — 2001-2003
Polaris Sportsman 90 — 2001-2006

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Payment & Security

Payment methods

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Fitment helpCall 801-899-2520 before ordering
Secure checkoutMultiple trusted payment options
Clear policiesShipping and returns
Professional installationAvailable in Pleasant Grove, Utah

Make sure it fits. Make sure it works.

Need help with this part?

R1 Industries can help confirm product fitment, compare options and arrange professional installation or repair.