PISTON KIT KZ1000/Z1-R 1977-1980, WISECO 4052M07300 FORGED KIT
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wiseco 4052M07300 forged piston assembly. Features 10.25:1 compression. Includes one 73.00mm piston, 2874XC ring set, CW17 circlips, and S523 wrist pin. Sold by application and bore size; standard and over-sizes are not indicated. Requires knowledge of standard bore size to order correctly.
- SKU
- 56-W4052.WI.7300
- Brand
- Wiseco
- Availability
- In Stock (2)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KZ 1000 | 1977 |
| KAWASAKI | KZ 1000 | 1978 |
| KAWASAKI | KZ 1000 | 1979 |
| KAWASAKI | KZ 1000 | 1980 |
| KAWASAKI | KZ 900 | 1976 |
| KAWASAKI | KZ 900 | 1977 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 290731
FULL DESCRIPTION
Wiseco Forged Piston Kit for Kawasaki KZ1000/Z1-R 1977-1980
Upgrade your motorcycle's engine with this high-performance Wiseco forged piston kit. Engineered for superior strength and durability, this kit is designed to meet the demands of performance riding and racing applications.
Key Features:
- Wiseco forged pistons offer exceptional strength and advanced design for reliable performance.
- Compression Ratio: 10.25:1, providing an optimal balance for power and efficiency.
- Kit includes: One 73.00mm piston, 2874XC ring set, CW17 circlips, and S523 wrist pin.
- Manufactured by Wiseco, a trusted name in high-performance engine components.
Important Note: This piston kit is sold by application and bore size. Please verify your standard bore size to ensure you are ordering the correct standard or oversized piston. For assistance, please contact Technical Service.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.