
Motor Vehicle Engine Parts
WIS Piston Sets - Powersports
Brand: WISECO
SKU: P1401372659547
$350.95
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Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10000) Piston Kit
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Product Details
Highlights
- Improved tensile strength of forged material optimizes strength and service life.
- Designed and built for each specific 4-stroke powersports engine.
- Dedicated forgings allow for optimized strength-to-weight ratio.
- Includes high-quality piston rings, wrist pin(s), and circlips.
- Engineered, forged, and machined in the USA in Mentor, OH.
The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for. Premium materials produce the best sealing technology available exceeding O. E. M. Standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O. E. M. Standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control. 100.00.
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