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Picture of 03-05 YAM YZ/WR450F 12.5:1 97MM (4785M) PISTON PK1358
Picture of 03-05 YAM YZ/WR450F 12.5:1 97MM (4785M) PISTON PK1358 Picture of 03-05 YAM YZ/WR450F 12.5:1 97MM (4785M) PISTON PK1358

03-05 YAM YZ/WR450F 12.5:1 97MM (4785M) PISTON PK1358

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03-05 YAM YZ/WR450F 12.5:1 97MM (4785M) PISTON PK1358
Manufacturer: Wiseco
Manufacturer part number: PK1358
Old price: $394.95
$310.50
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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 #: PK1358

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
Product Type Top End Kits
Category Hierarchy Powersports>Pistons>Top End Kits
Prop 65 - Short Label prop65warninglabel.jpg
Prop 65 (C, R or CR) CR
Prop 65 Yes/No Yes
EBAY Category ID 180159
Included Components Piston #4785M09700, Ring Set #3819XS, Wrist Pin #S600, CirClip #CW18, Gasket #W6130
Bore Diameter 97.00
Piston Diameter 96.94
Compression Ratio Actual 12.5:1
Material 2618
Skirt Coating Yes
Piston Oversize 2.00
Country of Origin US
Condition New
🚗 Compatible with
7 vehicles are compatible with this product · 2003–2006
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