Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Prox Forged Piston Kit - 77.98mm Standard Size C
Product info
- Item number
- 09106568
- Manufacturer number
- 01.4351.C
- Position
Upgrade your motorcycle's engine performance and reliability with the Prox Forged Piston Kit. Engineered from a specialized aluminum alloy, this kit delivers superior strength and reduced friction for demanding riding conditions.
Description
The Prox Forged Piston Kit is engineered to elevate your motorcycle's engine dynamics. Crafted from a specific, high-strength aluminum alloy, this 77.98mm piston is designed to minimize friction and maximize engine reliability, ensuring consistent power output and extended component life. Its advanced forged construction provides exceptional durability under the extreme pressures of a 4-stroke engine, making it an ideal choice for riders seeking a robust and dependable upgrade.
Each Prox piston is a testament to precision engineering, meticulously machined on state-of-the-art CNC equipment. This ensures exact tolerances and a perfect fit, crucial for optimal engine function and longevity. Utilizing the same low-expansion, low-friction piston alloy favored by major Japanese engine manufacturers, Prox delivers a product that meets or exceeds OEM standards. With a formidable 14.1:1 compression ratio, this high-performance piston is ready to unlock your engine's full potential, offering improved throttle response and power delivery. This motorcycle piston kit provides a reliable foundation for any serious engine build or rebuild.
Features & Highlights
- Superior Forged Construction: Made from a specific, high-strength aluminum alloy, reducing friction and maximizing engine reliability for enhanced performance and longevity.
- Precision CNC Machined: Manufactured on state-of-the-art CNC equipment, ensuring exact tolerances and a perfect fit for optimal engine function.
- OEM-Grade Alloy: Utilizes the same low-expansion, low-friction piston alloy trusted by major Japanese engine manufacturers, guaranteeing exceptional quality and compatibility.
- Optimized Compression Ratio: Features a 14.1:1 compression ratio, designed to boost power output and improve throttle response for a more dynamic riding experience.
- Complete Kit: Supplied as a comprehensive kit, including the piston and steel rings for a straightforward installation and reliable engine rebuild.
Technical Specifications
- Style: Forged Replica
- Units: Kit
- Engine Type: 4-Stroke
- Piston Size: Standard Size C
- Piston Diameter: 77.98 mm
- Piston Material: Aluminum Alloy, Forged
- Ring Material: Steel
- Compression Ratio: 14.1:1
- Vendor Part Number: 01.4351.C
- Vendor part number
- 01.4351.C
- Product name
- Piston Kit
- Style
- Forged Replica
- Compression ratio
- 14,1:1
- Piston material
- Aluminum Alloy, Forged
- Width
- 81 mm
- Height
- 78 mm
- Ring material
- Steel
- Piston size
- Standard Size C
- Length
- 88 mm
- Piston diameter
- 77,98 mm
- Engine type
- 4-Stroke
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
