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Wiseco Pistons 439M07000 High-Performance Dirtbike Piston Standard Bore

(1978-1986 Kawasaki KX250; 1980-1984 Kawasaki KDX250; 1984-1987 Kawasaki KXT250 Tecate)

Manufacturer

Part Number

439M07000
Sale Price

$199.99

4 left at this price

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco 439M07000 is a high-performance standard bore piston designed for dirt bike applications. Engineered for riders who demand maximum reliability and power, this piston delivers the durability and performance needed for both trail riding and competitive racing.

Key Features:

  • Forged from high-silicon aluminum alloy for exceptional strength and heat resistance
  • Innovative forging design optimizes piston skirt geometry for maximum horsepower and torque
  • Precision-machined for optimal ring seal and reduced friction
  • Complete kit includes piston rings and wrist pin circlips for convenient installation
  • Standard bore sizing ensures proper OEM fitment
  • Proven durability for extended service life in demanding off-road conditions

Wiseco pistons are manufactured to exacting tolerances and feature advanced metallurgy that provides superior performance over stock pistons. Whether you're rebuilding your engine to factory specifications or seeking improved throttle response and reliability, the Wiseco 439M07000 delivers professional-grade quality for dirt bike enthusiasts.

Products specifications

Fits

1978-1986 Kawasaki KX250; 1980-1984 Kawasaki KDX250; 1984-1987 Kawasaki KXT250 Tecate

Size

70.00mm

Easy to order Thanks

easy and fast

Good

The bronze colored seal cap on the transmission side of the axle must be protected. Any deformity of this piece will render the axle unusable.

The resonator I ordered arrived at my house slightly bent, but I called Autoplicity and they sent a replacement by next-day-air, so I was happy about that. It's a little hard to reach people there when you need to get a problem resolved, but in the end it all worked out.

Love shopping here, I always find what I need.

Shipped and received in quick fashion. Item arrived as expected. Would definitely buy from again!

So far it has been pleasant. Easy to maneuver website.

So far so good

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