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Picture of YAM YFM660 9.9:1 CR 100.0MM (4966M) PISTON PK1431
Picture of YAM YFM660 9.9:1 CR 100.0MM (4966M) PISTON PK1431 Picture of YAM YFM660 9.9:1 CR 100.0MM (4966M) PISTON PK1431

YAM YFM660 9.9:1 CR 100.0MM (4966M) PISTON PK1431

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YAM YFM660 9.9:1 CR 100.0MM (4966M) PISTON PK1431
Manufacturer: Wiseco
Manufacturer part number: PK1431
Old price: $350.95
$250.46
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Contains all the necessary components for overboring or rebuilding your top end

Feature forged pistons, rings, wrist pins, circlips and top end gasket set

Manufacturer Part #: PK1431

Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.

Products specifications

Attribute name Attribute value
Product Series 4 Stroke Forged Series
Included Components Piston #4966M10000, Ring Set #3937XS, Wrist Pin #S655, CirClip #CW22, Gasket #W6017
Bore Diameter 100.00
Piston Diameter 99.92
Compression Ratio Actual 9.9:1
Material 2618
Category Hierarchy Powersports>Pistons>Top End Kits
Product Type Top End Kits
Piston Oversize STD
Skirt Coating Yes
Prop 65 - Short Label prop65warninglabel.jpg
Prop 65 (C, R or CR) CR
Prop 65 Yes/No Yes
EBAY Category ID 180159
Country of Origin US
Condition New
🚗 Compatible with
5 vehicles are compatible with this product · 2001–2005
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