Partzo
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This brand new aftermarket big bore cylinder and piston assembly kit is designed as a high-performance replacement for Stihl chainsaws. Constructed from high-quality metal, this kit offers durability and precise machining for a reliable fit. Featuring a 56mm big bore upgrade, it increases engine displacement and power compared to the standard 54mm kit, delivering enhanced cutting performance for professional and heavy-duty applications.
The cylinder and piston kit is engineered as a direct replacement, ensuring easy installation without modifications. Suitable for Stihl 064, 066, MS640, MS650, and MS660 models, it restores compression and engine performance while offering a cost-effective alternative to OEM parts.
100% Brand New
Material: High-grade Metal
Type: Cylinder & Piston Assembly
OEM Part Numbers: 1122 020 1211, 1122 020 1209
Bore Size: 56mm (Big Bore Upgrade)
1 × Cylinder Block
1 × Piston
1 × Piston Pin
2 × Piston Rings
3 × Circlips
Stihl 064
Stihl 066
Stihl MS640
Stihl MS650
Stihl MS660
Big bore upgrade from standard 54mm to 56mm bore
Direct aftermarket replacement for OEM specifications
NZ Stock – Fast Shipping
GST Invoice available on request
This brand new aftermarket big bore cylinder and piston assembly kit is designed as a high-performance replacement for Stihl chainsaws. Constructed from high-quality metal, this kit offers durability and precise machining for a reliable fit. Featuring a 56mm big bore upgrade, it increases engine displacement and power compared to the standard 54mm kit, delivering enhanced cutting performance for professional and heavy-duty applications.
The cylinder and piston kit is engineered as a direct replacement, ensuring easy installation without modifications. Suitable for Stihl 064, 066, MS640, MS650, and MS660 models, it restores compression and engine performance while offering a cost-effective alternative to OEM parts.
100% Brand New
Material: High-grade Metal
Type: Cylinder & Piston Assembly
OEM Part Numbers: 1122 020 1211, 1122 020 1209
Bore Size: 56mm (Big Bore Upgrade)
1 × Cylinder Block
1 × Piston
1 × Piston Pin
2 × Piston Rings
3 × Circlips
Stihl 064
Stihl 066
Stihl MS640
Stihl MS650
Stihl MS660
Big bore upgrade from standard 54mm to 56mm bore
Direct aftermarket replacement for OEM specifications
NZ Stock – Fast Shipping
GST Invoice available on request
At PARTZO, we are committed to providing a secure and seamless checkout experience. The following outlines the payment methods we accept, relevant charges, and important security measures.
Accepted Payment Methods
We currently accept the following:
All transactions are processed through secure, encrypted payment gateways. PARTZO does not store your payment information.
Payment Methods Not Accepted
For security reasons, we do not accept:
Fees and Processing
Fraud Prevention
All orders are subject to verification. We reserve the right to cancel and refund any order deemed high-risk or suspicious.
Contact Information
Email: info@partzo.co.nz
Phone: +64 21 782 367
Business Hours: Monday to Friday, 9:00 AM – 5:00 PM NZT
Address: 28 Queenwood Avenue, Queenwood, Hamilton 3210, New Zealand
At PARTZO, we are committed to dispatching your order as efficiently as possible. All orders are processed and shipped from our New Zealand warehouse.
Order Cut-Off Time
Shipping Destinations
We currently ship to addresses within New Zealand only. Shipping rates are calculated based on actual or volumetric weight, and whether the address is classified as Urban or Rural Delivery.
Urban Delivery
| Weight Range | Rate (NZD) |
|---|---|
| 0kg – 0.99kg | $9.50 |
| 1kg – 2.99kg | $14.50 |
| 3kg – 4.99kg | $18.50 |
| 5kg and above | $26.00 |
Rural Delivery
| Weight Range | Rate (NZD) |
|---|---|
| 0kg – 0.99kg | $18.50 |
| 1kg – 2.99kg | $23.50 |
| 3kg – 4.99kg | $27.50 |
| 5kg and above | $35.00 |
Rural addresses are identified based on NZ Post rural postal classification. If unsure, please use the NZ Post address checker.
Estimated Delivery Times
Delivery times are estimates and may vary due to weather, public holidays, or courier delays.
Order Tracking
Once your order is dispatched, a tracking number will be sent to your registered email. You can track your parcel using the courier's website.
Shipping Carriers
PARTZO partners with NZ Post, Post Haste, Aramex and other domestic carriers, depending on the parcel weight and delivery location.
Contact
Email (preferred): info@partzo.co.nz
Phone: +64 21 782 367
Address: 28 Queenwood Avenue, Queenwood, Hamilton 3210, New Zealand
We recommend contacting us by email for all shipping inquiries. Phone support is available for urgent matters only.
At PARTZO, we stand behind the quality of our automotive parts. If you're not satisfied with your purchase, we’re here to help—within the conditions outlined below.
Eligibility for Return
Items must be returned within 30 days of delivery.
Items must be unused, uninstalled, and in original packaging.
Return requests must include order number and reason for return.
Electrical components and clearance items are non-refundable unless proven faulty.
Return Process
To initiate a return, please contact our support team via email at info@partzo.co.nz. Once approved, you will be given return instructions. Please do not return items without prior authorisation.
Return Shipping
Customers are responsible for the cost of return shipping unless the item is faulty or incorrect.
We recommend tracked shipping. We are not responsible for items lost in transit.
Refunds
Approved refunds will be issued to the original payment method within 5–10 business days after inspection.
Shipping fees are non-refundable unless the return is due to an error on our part.
Damaged or Incorrect Items
If your item arrives damaged or you receive the wrong product, please contact us within 48 hours of delivery. Include photos and order details so we can resolve the issue promptly.
Return Address
All approved returns must be sent to the following address, unless otherwise instructed:
Partzo Ltd
Return Address: 28 Queenwood Avenue, Queenwood, Hamilton 3210, New Zealand
Important: This is our primary return location. Some products may need to be returned to different warehouses depending on their category or supplier. Please contact us before returning any items to confirm the correct return address.
Returns sent without prior confirmation may be rejected or delayed.
Email (preferred): info@partzo.co.nz
Phone: +64 21 782 367
Address: 28 Queenwood Avenue, Queenwood, Hamilton 3210, New Zealand