Bring your Yamaha V8 back to peak performance with our Remanufactured Yamaha F300/350 HP B8 4-Stroke Cylinder Head. Professionally rebuilt to OEM standards, the cylinder head delivers reliable and long-lasting power.
Engineered for Power & Precision
The remanufactured cylinder head is rebuilt with precision machining and premium components. Each unit undergoes:
- New valve seats cut to exact factory specifications
- New valve seals installed for leak-free compression
- Pre-Adjusted Valves to ensure smooth, efficient combustion
- Careful surface finishing for perfect head-to-block sealing
With a displacement of 325.3 cubic inches (5.3L), this cylinder head restores factory-grade performance while extending engine life.
Compatibility:
This remanufactured cylinder head fits the following Yamaha outboard models:
- F300/350 HP TXR/XCA models (Core Value $50)
- F300/350 HP XCB models (Core Value $100)
What’s Included:
- Remanufactured Yamaha Cylinder Head (Port or Starboard)
- OEM-spec Head Gasket
- Limited One-Year Warranty for quality assurance and peace of mind
Read the full warranty policy to learn more.
Note: Please specify which side port or starboard you need, as only one cylinder head is shipped per order.
There is no additional core charge. For those models with a core value, a core return label will be sent with the replacement head, at which point the original head can be returned for inspection. If the core passes inspection, a refund check of up to the core value amount listed above will be issued to the buyer; otherwise, the core will be scrapped and not returned.
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.