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Wiseco Piston Kit 39.50mm for KTM 50 SX 2009-2022 874M03950

Part Number: 09103963
WISECO
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SKU:
09103963
MPN:
874M03950
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.25 LBS
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$121.95

Ships from Manufacture | Call to Order (231) 767-5055

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Description

The Wiseco 874M03950 Pro-Lite Piston Kit is engineered to maximize combustion efficiency and responsiveness in your KTM 50 SX, delivering the precision tolerances and lightweight construction that competitive riders demand. Whether you're chasing lap times or pushing hard on the trail, this piston kit provides the durability and power output needed to keep your 2-stroke engine performing at its peak across multiple seasons.

Built from aerospace-grade aluminum alloy and CNC-machined to exacting specifications, this kit ensures consistent bore fit while reducing reciprocating mass—translating directly to sharper throttle response and improved handling characteristics that make a measurable difference on track or trail.

  • Bore Diameter: 39.50 mm
  • Material: Aerospace-grade aluminum
  • Machining: CNC-precision tolerances
  • Weight: Optimized lightweight design
  • Fitment: KTM 50 SX 2009–2022
  • Also Fits: Gas Gas MC 50, Husqvarna TC50
  • Installation: Requires professional service
  • MPN: 874M03950
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Specs

DISPLACEMENT:
49 CC
BORE SIZE METRIC:
39.50 MM
RIDING STYLE:
OFF-ROAD
STROKE LENGTH METRIC:
40.00 MM
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
ENGINE TYPE:
2-STROKE
PISTON MATERIAL:
ALUMINUM ALLOY
PRODUCT NAME:
PISTON
UNITS:
EACH
PISTON MATERIAL:
FORGED
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Fitment

Fitment for Wiseco Piston Kit 39.50mm for KTM 50 SX 2009-2022 874M03950

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