Click to zoom in
SKU: 3189XG
Wiseco 81mm Ring Set 1.0 x 1.0 x 2mm - 1 Cylinder Polaris Sportsman 400 2001-2005
Wiseco 81mm ring sets deliver precise fitment for Polaris Sportsman 400 models from 2001 to 2005. Designed for 4-stroke pistons these rings ensure strong compression sealing and effective oil control. Tested for high-performance demands in powersports applications.
Key Features
- Exact Sizing: 81mm bore with 1.0mm top 1.0mm second and 2mm oil rings for one cylinder matches Wiseco piston specs
- Compression Sealing: Tight ring-to-cylinder contact reduces blow-by for consistent power output
- Oil Control: 2mm oil ring design scrapes excess oil to keep combustion chamber clean and reduce drag
- Race-Tested Design: Developed through dyno and track testing for durability under high RPM
- Material Quality: High-strength steel construction resists wear in demanding 4-stroke engines
Product Notes
- Pair with Wiseco pistons for best results verify bore size before install
- Inspect rings for end gap during assembly adjust as needed per service manual
- Ships in protective packaging handles rough transit
Installation Notes
- Professional installation recommended.
- Clean cylinder bore thoroughly before ring install use ring compressor tool
- Compatible with stock Wiseco pistons no special hardware required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Polaris | Sportsman 400 | All |
| 2001-2003 | Polaris | Scrambler 400 | All |
| 2000-2002 | Polaris | Trail Boss 400 | All |
Why Choose Wiseco?
- Proven leader in powersports piston components for decades
- Rings built to exact tolerances for long-term reliability
- Engineered and tested for real-world racing conditions
Frequently Asked Questions
-
Q: Does this ring set fit 2004 Polaris Sportsman 400 EFI?
A: Yes it matches the 81mm bore on 2001-2005 Sportsman 400 including EFI models confirm your piston bore size -
Q: What ring material is used?
A: High-strength cast iron top and second rings with steel oil ring for wear resistance and heat tolerance -
Q: Is a warranty included?
A: Wiseco offers manufacturer defect coverage contact seller for details proper install required
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Compact box 4 x 3 x 1 inches
- Weight: 0.2 lbs
Engine
This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...
View Engine Products
Piston Rings
Welcome to our Piston Rings collection, where precision meets performance. This curated selection features high-quality piston rings designed to enhance engine performance and efficiency. Whether you're a professional mechanic or a DIY enthusiast, our range has something for everyone. Why Choose Our Piston Rings? Durability: Crafted from premium materials to withstand high temperatures and pressures. Performance: Engineered to provide optimal sealing and reduce blow-by, improving overall engine performance. Compatibility: A wide range of options available for various engine types and models. Easy Installation: Designed for straightforward installation, saving you time and effort. Featured Products Explore some of our top-rated piston rings: Piston Ring Set for Ford 5.0L Performance Piston Rings for Chevy LS Series Universal Piston Ring Set for Small Engine Applications High-Performance Piston Rings for Turbocharged Engines Shop with Confidence When you choose our Pisto...
View Piston Rings Products
Pistons
Welcome to our Pistons collection, where quality meets performance. Whether you're a professional mechanic or a DIY enthusiast, our curated selection of pistons is designed to enhance your engine's efficiency and reliability of your engines performance. Why Choose Our Pistons? High-Quality Materials: Our pistons are crafted from top-notch materials to ensure durability and longevity from various manufactues. Enhanced Performance: Designed to optimize your engine's performance, our pistons deliver power and efficiency for all makes and models. Wide Range: Choose from a variety of sizes and specifications to meet your specific needs from daily drivers torace cars. Competitive Pricing: Enjoy premium quality without breaking the bank. Shop Our Pistons Collection Browse through our extensive range of pistons below: High-Performance Racing Pistons Standard Replacement Pistons Lightweight Forged Pistons Custom Fit Pistons Experience unmatched performance with our Pistons...
View Pistons ProductsLet customers speak for us
Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
Black Ops Auto Works
I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
Ralph J.
Black Ops Auto Works
Installation was easy
Installation was easy. The price is good and it looks great on the truck.
Ralph J.
RHO Small Grille Badge
Looks as good as it fits
Looks as good as it fits,
zachary d.
Seibon 70-73 Datsun 240Z OE Carbon Fiber Hood
Nothing like it
I love it great sound and response
Luis P.
Legmaker Dodge Durango HEMI Short Ram CAI 2011-Present 5.7L
Car totally diferent with the whole kit
Car totally diferent with the whole kit. Ive stood next to wide bodies and my car gets more attention at times . Ive bought the kit twice already.
Ding D.
2015-2023 Dodge Charger Carbon Fiber Wind Splitters
Fantastic emblem! Exactly what I was looking for
Fantastic emblem! Exactly what I was looking for. Great quality emblem.
Jacobus S.
Direct Connection Black Metallic Fender Badge
Worked great for my aftermarket hood on my Chrysler 2023 300C
Worked great for my aftermarket hood on my Chrysler 2023 300C. Thanks
Robert G.
Windshield Washer Squirter Relocation Kit Universal
Easy to install and makes car sound even better
Easy to install and makes car sound even better love the winn
Tracy H.
Legmaker Challenger/Charger Hellcat Demon & Redeye Air Intake
Awesome customer support
Awesome customer support. Had multiple issues with fedex and these guys were excellent in helping me sort everything out. The drop springs are great too! I highly recommend
Anonymous
Swift Spec-R Lowering springs Jeep Grand Cherokee 2011-2021
100/100! perfect CF crafted cold air intake for 6
100/100! perfect CF crafted cold air intake for 6.4 jeep .. even makes my AWE exhaust sound even deeper and you cam here this thing sucking when accelerating even at normal speeds🥶
srt.boizzz
Legmaker 392 TH Short Ram Jeep Grand Cherokee SRT 2012-2021
