Wiseco Piston Kit for Polaris Ultra 1997-1998 SK1191
Part Number: SK1191WISECO
- SKU:
- SK1191
- MPN:
- SK1191
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
Description
If you're running a Polaris Ultra 1997-1998 at the limit, your original pistons won't cut it. Wiseco's high-silicone forged pistons are engineered specifically for 2-cycle engines, delivering the strength and thermal stability needed to handle extreme conditions without sacrificing efficiency. This complete kit eliminates guesswork—you get pistons, rings, wrist pins, circlips, and gaskets all matched and ready to install.
Wiseco pistons are known for reduced thermal expansion and superior durability under sustained high-RPM operation. The high-silicone bar stock construction resists wear and maintains tight tolerances, critical for maintaining compression and power delivery in demanding applications. Installing this kit means you're not just replacing worn parts—you're upgrading to components designed for performance.
- High-silicone forged pistons
- Reduced thermal expansion
- Complete top-end kit
- Includes rings, pins, circlips
- Gasket set included
- 2-cycle engine optimized
- Polaris Ultra compatible
- 1997-1998 model years
- Wiseco rings required
- Bolt-on installation
- High-performance rated
- MPN: SK1191
Specs
COOLING SYSTEM: |
LIQUID COOLED |
STROKE LENGTH METRIC: |
65.00 MM |
MODEL: |
PRO-LITE |
PRODUCT NAME: |
REBUILD KIT |
RIDING STYLE: |
SNOW |
TYPE: |
TOP END |
PISTON DIAMETER METRIC: |
66.47 MM |
SKIRT COATING: |
NON-COATED |
UNITS: |
KIT |
BORE - OVERSIZE: |
STANDARD |
BORE - OVERSIZE METRIC: |
STANDARD |
BORE SIZE METRIC: |
66.60 MM |
DISPLACEMENT: |
680 CC |
ENGINE TYPE: |
2-STROKE |
PISTON MATERIAL: |
4032 ALUMINUM ALLOY |
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