Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10000) Piston Kit - PK1431

Name: Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10000) Piston Kit - PK1431
Brand: Wiseco
SKU: wisPK1431
Price: 350.95 USD
Availability: OutOfStock

$350.95

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Fitment Yamaha Confirm exact year/model before install

Manufacturer part number wisPK1431 Wiseco

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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.

Fitment and application

Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10000) Piston Kit. Confirm the vehicle, year, model, configuration, and complete manufacturer part number before ordering.

Features

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

Product details

Brand: Wiseco
Product type: Piston Sets - Powersports
Manufacturer part number: PK1431
SKU: wisPK1431
UPC: 193564148711

California Proposition 65: This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Description