KTM SX / GS 250 1996-1999 GRADE B 67.45mm TWIN RING PISTON
4.4 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon depending on the application. Pistons are made using gravity cast or hydraulic forging processes, with material structure refined through advanced heat treatment in an automatic HT implant with hot water solubilization. This process uses cutting-edge technology for aluminium alloys. Machining is performed using the latest CNC machines and software with diamond tools, achieving specific surface finishes based on the piston's final application. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. Vertex has also introduced a new Phosphate Coating, which offers increased hardness and surface porosity for superior Molybdenum Coating adhesion and double the coating durability. This piston is Grade B and measures 67.45mm with twin rings.
- SKU
- V.2459B
- Brand
- Vertex
- Availability
- In Stock (1)
- SKU
- V.2459B
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Grade B 67.45mm Twin Ring Piston
The Vertex Grade B 67.45mm Twin Ring Piston is engineered to meet the demanding requirements of high-performance engines. Vertex utilizes specialized Low-Ex aluminium alloys, precisely charged with silicon to ensure optimal thermal expansion characteristics and long-term durability. Each piston is produced through either a gravity cast or hydraulic forging process, refined by an advanced automated heat treatment system to maximize material integrity.
Vertex employs state-of-the-art CNC machining and diamond tooling to achieve precise tolerances and surface finishes tailored to specific engine applications. To ensure maximum reliability and performance, every piston undergoes rigorous quality control protocols throughout the manufacturing process.
Key Features
- Advanced Alloy Composition: Manufactured from low expansion (Low-Ex) aluminium alloys for superior heat resistance and structural strength.
- Precision Engineering: Machined using high-tech CNC equipment and diamond tools to ensure an exact 67.45mm fitment.
- Dual Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction and assist with the break-in process.
- Phosphate Coating: Includes an all-over phosphate layer that provides increased surface hardness and promotes superior adhesion of the Molybdenum coating, effectively doubling its durability.
- Twin Ring Design: Optimized for efficient sealing and compression performance under racing conditions.
Built to the same high standards seen in Formula One engine components, this Vertex piston is a premium choice for riders seeking reliable power and engine longevity.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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.