PISTON KIT GSX1340R 11-12 8400, WISECO 4965M08400 ROAD SUZUKI
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
WISECO 4965M08400 13.5:1 Compression Piston Kit for 84.00mm Bore. Forged and machined in the USA. Features include light weight forgings, millimeter ring packs, extra-strength forgings, gas ports, optimized skirt profiles, skirt coatings, and offset pins. Nitride Steel top and Napier 2nd XX ring packs for sealing and durability. Displacement: 1441cc. Bore - Actual: 84.00mm. Bore - Oversize: 3.00mm. Stroke: 65.00mm. Compression Ratio - Actual: 13.5:1. Skirt Coating: Moly. Cylinder boring required. Cylinder replating required. Sold each.
- SKU
- 56-W9791.8400
- Brand
- Wiseco
- Availability
- In Stock (5)
Fitments (14)
| Make | Model | Year |
|---|---|---|
| SUZUKI | GSX R 1340 | 2011 |
| SUZUKI | GSX R 1340 | 2012 |
| SUZUKI | GSX R HAYABUSA 1300 | 2008 |
| SUZUKI | GSX R HAYABUSA 1300 | 2009 |
| SUZUKI | GSX R HAYABUSA 1300 | 2010 |
| SUZUKI | GSX R HAYABUSA 1300 | 2011 |
| SUZUKI | GSX R HAYABUSA 1300 | 2012 |
| SUZUKI | GSX R HAYABUSA 1300 | 2013 |
| SUZUKI | GSX R HAYABUSA 1300 | 2014 |
| SUZUKI | GSX R HAYABUSA 1300 | 2015 |
| SUZUKI | GSX R HAYABUSA 1300 | 2016 |
| SUZUKI | GSX R HAYABUSA 1300 | 2017 |
| SUZUKI | GSX TURBO R 1340 | 2011 |
| SUZUKI | GSX TURBO R 1340 | 2012 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 258761
FULL DESCRIPTION
Wiseco 4965M08400 Piston Kit
Upgrade your motorcycle's performance with this high-quality Wiseco Piston Kit. Designed for durability and power enhancement, this piston is forged and machined in the USA to meet the demands of high-performance riding.
Key Features:
- Forged and Machined in the USA: Ensures superior quality and reliability.
- High Compression Ratio: Offers an actual compression ratio of 13.5:1 for increased power output.
- Oversize Bore: Features an 84.00mm bore, which is 3.00mm oversize from standard.
- Durable Ring Packs: Includes Nitride Steel top and Napier 2nd XX ring packs for exceptional sealing and longevity.
- Optimized Design: Incorporates features like millimeter ring packs, extra-strength forgings, gas ports, optimized skirt profiles, and a Moly skirt coating.
- Offset Pin: Designed with an offset pin for smoother operation.
Important Notes:
- Cylinder boring is required for installation.
- Cylinder replating is required for installation.
- This piston kit is sold individually.
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.