HONDA CRF 250 2008-2009 GRADE D 77.98mm STD COMPRESSION 13.0:1
4.4 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy. They feature a Molybdenum Disulphide MOS2 coating on the piston skirt for easier break-in and reduced wear. Vertex offers unique piston profiles and compression ratios in A, B, C, and D sizes, varying by 0.01mm to ensure a precise fit within the cylinder for maximized performance, reduced blow-by, and lower oil consumption. This piston is Grade D, with a standard compression ratio of 13.0:1 and a bore of 77.98mm.
- SKU
- V.3443D
- Brand
- Vertex
- Availability
- In Stock (1)
- SKU
- V.3443D
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex High-Performance Four-Stroke Piston
Upgrade your engine with the precision-engineered Vertex four-stroke piston. Designed for riders who demand maximum power and reliability, this piston is forged from high-quality 2618 aluminum alloy. This advanced material composition ensures the piston can withstand the extreme pressures and heavy-duty performance requirements of modern high-output four-stroke engines.
Vertex distinguishes itself through superior engineering and meticulous attention to detail. Every piston features a specialized Molybdenum Disulphide (MOS2) coating applied to the piston skirt. This coating serves a dual purpose by significantly reducing friction and wear during the critical break-in phase and throughout the lifespan of the component.
Key Features
- Premium Forged Construction: Manufactured from 2618 aluminum alloy for exceptional strength and durability.
- Optimized Size Grading: Engineered with precise sizing to ensure a perfect cylinder-to-piston fit, which maximizes horsepower and torque.
- MOS2 Skirt Coating: Unique Molybdenum Disulphide coating reduces friction, minimizes heat build-up, and promotes a smoother break-in process.
- Enhanced Efficiency: Improved sealing helps reduce blow-by and oil consumption, maintaining consistent engine compression.
- Standard Compression Ratio: Features a 13.0:1 compression ratio designed to deliver reliable, high-performance power delivery.
- Precision Diameter: 77.98mm bore size for exact tolerances.
By choosing a Vertex Grade D piston, you are selecting a component designed to restore your engine to peak factory performance. Whether you are racing or riding for recreation, Vertex provides the durability needed to keep your engine running stronger for longer.
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.