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Wiseco 72-75 Kawasaki KZ900/77-82 1000 10.25:1 CR Piston

SKU: WISK11051

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

Wiseco 72-75 Kawasaki KZ900/77-82 1000 10.25:1 CR Piston

SKU: WISK11051

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

A$1,935.68
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Wiseco 72-75 Kawasaki KZ900/77-82 1000 10.25:1 CR Piston

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

Additional Information

Wiseco 4 Stroke Forged Series Piston Kit, 73.00 mm Bore, 10.25:1 CR

Part Type

Engine Piston Set

Product Overview

Wiseco 72-75 Kawasaki KZ900/77-82 1000 10.25:1 CR Piston


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:44:50

Data: v4.2 - Upd: 2026-11-08 13:52:00

Features

  • 73.00 mm Bore, 10.25:1 CR
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Designed and built for each specific 4-stroke powersports engine
  • Engineered, forged, and machined in the USA in Mentor, OH
  • Improved tensile strength of forged material optimizes strength and service life
  • Includes high-quality piston rings, wrist pin(s), and circlips

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: piston)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Wiseco 72-75 Kawasaki KZ900/77-82 1000 10.25:1 CR Piston
Part Number:wisK11051

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wisK11051
SFX Item ID 4064653
Accounting SKU wis-K11051
Manufacturer SKU K11051
Manufacturer UPC 193564156105
Alternative References K11051, WIS-K11051

Piston and Ring Kit, Powersports, Forged, Aluminum, Gaskets, Kawasaki, Kit

Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

Product Attributes
BrandWiseco
Manufacturer's Part NumberK11051
Part TypePowersports Piston and Ring Kits
Product LineWiseco Powersports Piston Kits
UPC00193564156105
Piston MaterialForged aluminum
Bore (mm)73.000mm
Wrist Pin StyleFloating
Wrist Pin Retainers IncludedYes
Top Ring MaterialSteel
Top Ring Facing MaterialChrome
Second Ring MaterialCast iron
Second Ring Facing MaterialPhosphate coated
Oil Ring MaterialChrome plated stainless steel
File FitNo
GaplessNo
Gaskets IncludedYes
QuantitySold as a kit.

Manufacturer Attributes
Compression Ratio Actual 10.25:1
Piston Material 2618
Product Series 4 Stroke Forged Series
Piston Diameter 72.95
Bore Diameter 73.00
Engine Type ICE
Included Components Piston #4052M07300, Ring Set #2874XC, Wrist Pin #S523, CirClip #CW17, Gasket #W5380
Product Type Piston Kits
Industry Powersports
Category Hierarchy Powersports>Pistons>4-Stroke Pistons
Product Market Street
Title Wiseco 4 Stroke Forged Series Piston Kit, 73.00 MM Bore, 10.25:1 CR
Title - Web Kawasaki Wiseco Top End Kit - 73.00 mm Bore
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Piston Oversize 3.00
Manufacturer Designation Kaw KZ900 '72-75/1000 '77-82 10.25:1 CR
Product Class Engine Piston Set
Construction/Type Wiseco 4 Stroke Forged Series Piston Kit, 73.00 mm Bore, 10.25:1 CR
Product Outline <ul><li>Engineered, forged, and machined in the USA in Mentor, OH</li><li>Designed and built for each specific 4-stroke powersports engine</li><li>Improved tensile strength of forged material optimizes strength and service life</li><li>Dedicated forgings allow for optimized strength-to-weight ratio</li><li>Includes high-quality piston rings, wrist pin(s), and circlips</li></ul>
Vehicle Brief Kaw KZ900 '72-75/1000 '77-82 10.25:1 CR
Market Description The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

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