Engines and Components› Pistons and Piston Rings

Kawasaki

Wiseco 75.50mm Bore Piston Kit

$219.95

SKU: 4445M07550

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Wiseco 4445M07550 is a 4-stroke forged series piston kit designed for the Kawasaki ZX1000 from 1988-1989. This kit features a 75.50 mm bore and an 11:1 compression ratio, providing a balance of performance and strength for street applications.
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The Wiseco 4445M07550 is a 4-stroke forged series piston kit engineered for specific engine applications, offering a combination of performance and strength. This kit is designed for the Kawasaki ZX1000 models from 1988-1989. Constructed with a 75.50 mm bore and a 75.45 mm piston diameter, this kit achieves an 11:1 compression ratio. The piston is made from 2618 material, known for its improved tensile strength, optimizing both strength and service life. Dedicated forgings contribute to an optimized strength-to-weight ratio. Manufactured and machined in the USA, this piston kit is built to tight tolerances. It is intended for powersports applications within the street market.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKawasaki
Part Number4445M07550
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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