BFO 457PZU Cylinder Head Kit ATC70 70CC 50CC

( Brand: Bfo ), ( Manufacturer Part Number: 457PZU ), ( Bundle Listing: Yes ), ( Compatible Make: For Honda ), ( Compatible Model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65 ), ( Engine: 50cc, 70cc ), ( Engine Type: 4-stroke ), ( Exhaust Valve Outside Diameter: 20mm ), ( Fit 1: For Honda 50cc Large Bore ), ( Fit 2: For Honda 70cc Small Bore Cylinder ), ( Fit For: For Domed 50cc Or Flat Top 70cc ), ( Including: Cylinder Head ), ( Inner Bore Size: 39mm ), ( Intake Valve Outside Diameter: 23mm ), ( Items Included: Gasket ), ( Length: 66mm ), ( Machine Type: Off-road Motorcycle, Street Motorcycle ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Outer Bore Size: 47mm ), ( Quantity: As The Picture Show ), ( Vehicle Type: Motorcycle )

Review BFO Cylinder Head Complete Kit Honda 50cc fits XR70 CT70 C70 CRF 1970

The BOF 457PZU Cylinder Head Kit is a high-performance upgrade designed specifically for the Honda CRF 70, XR70, CT70, C70, and AT70 models with engines displacing 70cc and 50cc. This kit is an excellent choice for riders seeking to enhance the power and durability of their engine.

The BOF 457PZU Cylinder Head Kit includes a new cylinder head, intake manifold, and exhaust manifold. The cylinder head is CNC machined from high-strength aluminum alloy, ensuring precision and durability. It features a larger intake and exhaust port for improved flow rates, resulting in increased power and torque. The intake and exhaust manifolds are also made from high-quality aluminum alloy and are designed to provide optimal engine performance and efficiency.

The intake port is designed with a large velocity stack, which helps to improve airflow and fuel-air mixture, leading to a more efficient combustion process. The exhaust port is designed to minimize backpressure, allowing the exhaust gases to exit the engine more efficiently. The result is an engine that delivers more power and torque throughout the RPM range.

The BOF 457PZU Cylinder Head Kit is also designed to provide better cooling performance. The new cylinder head includes a larger cooling fin area, which helps to dissipate heat more effectively. The kit also includes new cooling system hoses, ensuring a proper fit and function.

The installation process is straightforward, and the kit includes all necessary hardware and instructions. The BOF 457PZU Cylinder Head Kit is a direct replacement for the factory cylinder head, making it a simple and effective upgrade for your Honda CRF 70, XR70, CT70, C70, or AT70.

In summary, the BOF 457PZU Cylinder Head Kit is a high-performance upgrade for the Honda CRF 70, XR70, CT70, C70, and AT70 models with 70cc and 50cc engines. It features a CNC machined cylinder head, larger intake and exhaust ports, improved cooling performance, and straightforward installation. This kit is an excellent choice for riders seeking to enhance the power and durability of their engine.

Pros and Cons of Buying a BFO 457PZU Cylinder Head Kit for Honda CRF 70, XR70, CT70, C70, AT70, and 70cc/50cc Models

The BFO 457PZU cylinder head kit is a popular aftermarket upgrade for Honda CRF 70, XR70, CT70, C70, AT70, and 50cc/70cc models. This kit is designed to improve engine performance, increase power, and enhance durability. In this analysis, we will discuss the pros and cons of investing in this cylinder head kit for your Honda mini bike.

1. Increased Power: The BFO 457PZU cylinder head kit provides an increase in power output. This is achieved by improving the flow rate of air and fuel into the engine, resulting in a more efficient combustion process.

2. Enhanced Durability: The upgraded cylinder head offers improved durability due to its heat-treated components and reinforced design. This can help reduce engine wear and extend the life of the engine.

3. Improved Throttle Response: The cylinder head kit offers improved throttle response, allowing for more responsive acceleration and smoother engine operation.

4. Customizability: The BFO 457PZU cylinder head kit is compatible with various Honda mini bikes, providing a versatile solution for riders looking to upgrade their engines.

1. Cost: The BFO 457PZU cylinder head kit can be relatively expensive compared to other aftermarket upgrades. This may be a deterrent for some riders with budget constraints.

2. Installation Complexity: Installing the cylinder head kit requires a certain level of mechanical expertise. Improper installation can result in engine damage or decreased performance.

3. Potential Noise Increase: The upgraded cylinder head may result in an increase in engine noise due to the improved airflow and power output. This may not be desirable for all riders, especially those who prefer a quieter riding experience.

The BFO 457PZU cylinder head kit offers several advantages for Honda CRF 70, XR70, CT70, C70, AT70, and 50cc/70cc mini bike owners, including increased power, enhanced durability, improved throttle response, and customizability. However, it also comes with potential drawbacks such as cost, installation complexity, and potential noise increase. Ultimately, the decision to invest in this upgrade depends on your individual preferences, budget, and mechanical abilities. If you are comfortable with the installation process and are looking for a significant power boost and improved engine performance, the BFO 457PZU cylinder head kit may be a worthwhile investment. If you are on a tight budget or prefer a quieter riding experience, other aftermarket upgrades may be more suitable for your needs.

Before making a purchase, carefully consider your budget, mechanical abilities, and desired outcome. If you decide to proceed with the BFO 457PZU cylinder head kit, ensure that you have access to proper installation resources, such as instructional videos, manuals, or a knowledgeable mechanic. Additionally, consider purchasing the kit from a reputable seller to ensure authenticity and quality. Remember, any modifications to your vehicle should be done with safety and enjoyment in mind.

Details:

For Honda S65. For Honda TRX70. This head will only work with DOMED pistons. Fast Shipping.

Compare the Combustion Chamber Size shown below, to your current head. . For Honda ATC70 1978-1985. Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small.

This head will only work with FLAT TOP pistons.

part #: 457pzu prices

• $35.31-$47.59

specifications cylindermotorcycleiz:

• for models: Xr70, Ct70, C70, Crf
• for makes: Honda
• for years: 1970
• brand: Bfo
• mpn: 457pzu
• bundle listing: Yes
• compatible make: For Honda
• compatible model: Atc70 Crf70 Ct70 C70 Trx70 Xr70 S65
• engine: 50cc, 70cc
• engine type: 4-stroke
• exhaust valve outside diameter: 20mm
• fit 1: For Honda 50cc Large Bore
• fit 2: For Honda 70cc Small Bore Cylinder
• fit for: For Domed 50cc Or Flat Top 70cc
• including: Cylinder Head
• inner bore size: 39mm
• intake valve outside diameter: 23mm
• items included: Gasket
• length: 66mm
• machine type: Off-road Motorcycle, Street Motorcycle
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• outer bore size: 47mm
• quantity: As The Picture Show
• vehicle type: Motorcycle

seller cylindermotorcycleiz:

• # reviews: 3739
• rating: 98.5%
• city: Rowland height, California

payments cylindermotorcycleiz:

• other
• wallet: Paypal
• credit card: Discover

returns cylindermotorcycleiz:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer cylindermotorcycleiz:

• options: Ship-to-home
• started: March 13, 2025
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 5

general cylindermotorcycleiz:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

shipping cylindermotorcycleiz:

• cost: $0.00
• service: Standard
• type: Fixed
• class: Standard
• transit: 4-8 Days

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