
$105.95
Ships from TX, United States.
Ships from TX, United States.
Want extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
Want extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
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Shipping Policy
Fast Shipping
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Return Policy
30-Day Returns
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The ProX 19-6103B is a high-performance replacement piston kit designed to restore or maintain engine efficiency. This kit serves as a direct OEM replacement for your engine's top end, engineered to meet or exceed original equipment specifications. The piston features a specialized molycoated surface, which is specifically designed to reduce friction and heat buildup within the cylinder, thereby promoting smoother operation and extended component longevity. This kit is optimized for use in cylinders with Nikasil plating. Each kit comes as a comprehensive set, typically including the precision-engineered piston, piston rings, wrist pin, and necessary circlips for a complete top-end service. This kit is manufactured to ensure a precise, standard-size fit (46.96mm) for reliable performance. Please verify fitment for your specific application before purchasing.
Key Features
Why Choose ProX 19-6103B - Molycoated Nikasil Piston Kit (46.96mm Standard)?
This ProX piston kit offers a high-quality, cost-effective alternative to OEM parts. The molycoated finish provides superior friction reduction, ensuring consistent engine performance and reliability.
Specifications
| Brand | PROX |
| Part Number | 19-6103B |
| Condition | NEW |
| Notes/Other | Kit features a standard 46.96mm bore size. Always ensure your cylinder is clean and within factory tolerances before installing a new piston. Professional installation is recommended to ensure correct ring gap and pin seating. |
This part fits the following vehicles:
| Make | Year | Model |
|---|---|---|
| KTM | 2025 | 85 SX (17/14) |
| GasGas | 2025 | MC 85 17/14 |
| GasGas | 2025 | MC 85 19/16 |
| KTM | 2024 | 85 SX (17/14) |
| GasGas | 2024 | MC 85 17/14 |
| GasGas | 2024 | MC 85 19/16 |
| KTM | 2023 | 85 SX (17/14) |
| GasGas | 2023 | MC 85 17/14 |
| GasGas | 2023 | MC 85 19/16 |
| Husqvarna | 2023 | TC 85 (17/14) |
| Husqvarna | 2023 | TC 85 (19/16) |
| KTM | 2022 | 85 SX (17/14) |
| GasGas | 2022 | MC 85 19/16 |
| Husqvarna | 2022 | TC 85 (17/14) |
| Husqvarna | 2022 | TC 85 (19/16) |
| KTM | 2021 | 85 SX (17/14) |
| GasGas | 2021 | MC 85 19/16 |
| Husqvarna | 2021 | TC 85 (17/14) |
| Husqvarna | 2021 | TC 85 (19/16) |
| KTM | 2020 | 85 SX (17/14) |
| Husqvarna | 2020 | TC 85 (17/14) |
| Husqvarna | 2020 | TC 85 (19/16) |
| KTM | 2019 | 85 SX (17/14) |
| Husqvarna | 2019 | TC 85 (17/14) |
| Husqvarna | 2019 | TC 85 (19/16) |
| KTM | 2018 | 85 SX (17/14) |
| Husqvarna | 2018 | TC 85 (17/14) |
| KTM | 2017 | 85 SX (17/14) |
| Husqvarna | 2017 | TC 85 (17/14) |
| KTM | 2016 | 85 SX (17/14) |
| Husqvarna | 2016 | TC 85 (17/14) |
| KTM | 2015 | 85 SX (17/14) |
| Husqvarna | 2015 | TC 85 (17/14) |
| KTM | 2014 | 85 SX (17/14) |
| Husqvarna | 2014 | TC 85 (17/14) |
| KTM | 2013 | 85 SX (17/14) |
| KTM | 2012 | 85 SX (17/14) |
| KTM | 2011 | 85 SX (17/14) |
| KTM | 2010 | 85 SX (17/14) |
| KTM | 2009 | 85 SX (17/14) |
| KTM | 2008 | 85 SX (17/14) |
| KTM | 2007 | 85 SX (17/14) |
| KTM | 2006 | 85 SX (17/14) |
| KTM | 2005 | 85 SX (17/14) |
| KTM | 2004 | 85 SX (17/14) |
| KTM | 2003 | 85 SX (17/14) |
Please verify fitment with your specific vehicle before purchasing.
Policies
Shipping Policy
Items ship within 1-2 business days.
Return Policy
Returns accepted within 30 days.
SLM Racing
© 2026 SLM Racing. All Rights Reserved.
Compatible with 5 Gas Gas vehicle(s)
Compatible with 25 Husqvarna vehicle(s)
Compatible with 46 KTM vehicle(s)Responds within 3 hours.
Ships within 3 business days.
Items match their descriptions.
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