2Bros Parts

KTM SX 250 2000-2002 / EXC 250 2000-2005 GRADE B 66.35mm TWIN RING PISTON

$243.23

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Delivery to United States 5–8 business days

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Vertex pistons are manufactured using Low-Ex (low expansion) aluminium alloys with 12%, 18%, or 21% silicon content, depending on the application. They are produced using gravity casting or hydraulic forging, followed by a heat treatment process in an automatic implant with hot water quenching. Machining is performed using advanced CNC machines and diamond tooling to achieve specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A newer Phosphate Coating, developed from Formula One engine technology, offers increased hardness, light surface porosity, and superior adhesion for enhanced durability. This piston has a 66.35mm bore size and is a twin-ring design.

Specifications
SKU
V.2650B
Brand
Vertex
Availability
In Stock (3)
SKU
V.2650B
Brand
Vertex
Availability
In Stock (3)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

High-Performance Vertex Twin Ring Piston - 66.35mm Grade B

Upgrade your engine reliability and performance with this premium Vertex twin ring piston. Engineered for durability and precision, this 66.35mm Grade B piston is designed to meet the rigorous demands of high-performance riding, ensuring your engine runs smoothly under extreme conditions.

Vertex pistons are crafted from advanced Low-Ex silicon-charged aluminium alloys, chosen for their specific expansion properties. Through a sophisticated combination of gravity casting or hydraulic forging and automated heat treatment, these pistons achieve a refined material structure that delivers exceptional strength and longevity.

Advanced Engineering and Coatings

  • Precision Machining: Manufactured using state-of-the-art CNC technology and diamond-tipped tooling to achieve exacting tolerances and specific surface finishes.
  • Molybdenum Bisulphite Coating: A high-performance black coating that minimizes friction and assists in a smooth break-in process.
  • Phosphate Coating Technology: Inspired by Formula One engineering, this treatment adds surface hardness and provides a light porosity that ensures superior adhesion of the Molybdenum coating for twice the durability.
  • Strict Quality Control: Every piston undergoes a thorough manual and automatic inspection process to guarantee that it meets the highest industry quality standards.

By integrating cutting-edge metallurgical processes with specialized surface treatments, this Vertex piston provides the reliability you need to push your engine to its full potential.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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