KAWASAKI KXF 250 2021-2022 GRADE B 77.96mm STD COMPRESSION 14.1:1
4.4 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
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 and refined through a heat treatment process in an automatic HT implant with solubilization by quench in hot water. Machining is completed using the latest CNC machines and software with diamond tools, achieving specific surface finishes. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. Vertex has also introduced a new Phosphate Coating that increases hardness and offers superior adhesion qualities for the Molybdenum Coating, extending durability. This piston has a bore of 77.96mm and a compression ratio of 14.1:1.
- SKU
- V.4509B
- Brand
- Vertex
- Availability
- In Stock (4)
- SKU
- V.4509B
- Brand
- Vertex
- Availability
- In Stock (4)
FULL DESCRIPTION
Vertex High-Performance Standard Compression Piston
Enhance the performance and reliability of your engine with this Vertex Grade B piston. Engineered for precision and durability, this piston is manufactured using advanced aluminium alloys and cutting-edge production techniques to meet the demands of high-performance motorsports.
Vertex utilizes either gravity casting or hydraulic forging processes to create a robust blank, which is then refined through a specialized heat treatment process. This ensures optimal material structure and long-term strength. Every piston is machined using high-precision CNC technology and diamond tooling to achieve exact surface finishes tailored for peak engine operation.
Key Features:- Advanced Alloy Construction: Crafted from Low-Ex (low expansion) Silicon-charged aluminium alloys for superior structural integrity.
- Optimized Compression: Designed with a 14.1:1 compression ratio to restore or maintain factory-level power output.
- Enhanced Durability: Features a special Molybdenum Bisulphite black coating to reduce friction during break-in and operational cycles.
- Phosphate Coating: Incorporates a Formula One-inspired phosphate coating that increases surface hardness and improves the adhesion of the Molybdenum coating, significantly extending component life.
- Precision Engineering: Manufactured through rigorous quality control processes, including both manual and automatic inspections, ensuring a perfect fit and consistent performance.
Whether you are performing a routine rebuild or chasing maximum reliability on the track, Vertex pistons provide the professional-grade quality required to keep your engine running at its best.
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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.