BFO 2SPKM1 Cylinder Head 70CC ATC70

( Brand: Bfo ), ( Manufacturer Part Number: 2SPKM1 ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( 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 70cc Cylinder Head Assembly Honda fits CRF70 CT70 C70 TRX70 XR70 S65

BFO 2SPKM1 70cc Cylinder Head for Honda ATC70 CRF70 CT70 C70 TRX70 XR70 S65

The BFO 2SPKM1 cylinder head is a high-performance replacement part designed specifically for the Honda ATC70, CRF70, CT70, C70, TRX70, and XR70 S65 models. This cylinder head is engineered to deliver enhanced power, torque, and efficiency to your off-road machine.

This 70cc cylinder head comes with two spark plugs, which is an upgrade from the stock design. The addition of an extra spark plug helps ensure optimal combustion, leading to improved engine performance and a more responsive riding experience.

The BFO 2SPKM1 cylinder head is constructed using the latest manufacturing techniques and materials. It features a precise CNC machining process that ensures perfect port and chamber dimensions for optimal airflow and combustion efficiency. The cylinder head also features a durable, high-strength alloy construction that can withstand the rigors of off-road riding.

The BFO 2SPKM1 cylinder head also comes with a high-performance exhaust port design. This design allows for better exhaust flow and reduced backpressure, resulting in increased power output and better throttle response. The exhaust ports have been carefully engineered to match the intake ports for optimal engine balance and power delivery.

The cylinder head also comes with new, high-performance intake ports. These ports have been designed to maximize airflow and fuel delivery to the engine, resulting in improved combustion efficiency and increased power output. The intake ports are also designed to match the exhaust ports for optimal engine balance and power delivery.

The BFO 2SPKM1 cylinder head is also compatible with various performance modifications, such as high-performance camshafts and exhaust systems. This makes it an excellent choice for riders who are looking to take their off-road machine to the next level.

In summary, the BFO 2SPKM1 70cc cylinder head is a high-performance replacement part designed for the Honda ATC70, CRF70, CT70, C70, TRX70, and XR70 S65 models. It features two spark plugs, precise CNC machining, durable alloy construction, high-performance exhaust and intake ports, and compatibility with various performance modifications. If you're looking to improve the performance of your off-road machine, this cylinder head is an excellent choice.

Buying a BFO 2SPKM1 70cc cylinder head for a Honda ATV model such as CRF70, CT70, C70, TRX70, or XR70 S65 can have both advantages and disadvantages. Here are some potential pros and cons:

1. Increased Power: The BFO 2SPKM1 cylinder head is designed to provide more power compared to the stock cylinder head. This can result in better acceleration and top speed.

2. Improved Performance: The cylinder head comes with a high-performance camshaft and other upgrades, which can lead to improved overall performance.

3. Customization: Installing a high-performance cylinder head like the BFO 2SPKM1 can be a way to customize your Honda ATV and make it stand out from the crowd.

1. Complex Installation: Installing a new cylinder head is a complex process that requires a good deal of mechanical knowledge and experience. It may be best to have this work done by a professional.

2. Cost: The cost of the BFO 2SPKM1 cylinder head and the installation process can add up. This can be a significant investment for some ATV owners.

3. Risk of Damage: Installing a high-performance cylinder head can increase the risk of engine damage if not done correctly. This can result in costly repairs.

The decision to buy a BFO 2SPKM1 70cc cylinder head for a Honda ATV depends on your specific needs and circumstances. If you are looking for increased power and performance, this upgrade could be worth the investment. However, if you are not comfortable with the complex installation process or the potential cost and risk, it may be best to stick with the stock cylinder head. Ultimately, it is important to weigh the pros and cons carefully before making a decision.

If you do decide to purchase and install the BFO 2SPKM1 cylinder head, be sure to have it installed by a professional to minimize the risk of damage. Additionally, consider investing in a high-quality aftermarket exhaust system to further optimize the performance gains from the new cylinder head.

Details:

Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 50cc Large Bore / 70cc Small. This head will only work with DOMED pistons. Manufacturer. Quick, Simple.

For Honda S65. Always the correct part. For Honda TRX70. This head will only work with FLAT TOP pistons.

70cc Cylinder Head Assembly for Honda ATC70 CRF70 CT70 C70 TRX70 XR70 S65. Compare the Combustion Chamber Size shown below, to your current head.guaranteed Fitment. Fast Shipping.

part #: 2spkm1 prices

• $19.99-$47.59

specifications cylindermotorcycleiz:

• for models: Crf70, Ct70, C70, Trx70, Xr70, S65
• for makes: Honda
• brand: Bfo
• mpn: 2spkm1
• bundle listing: Yes
• california prop 65 warning: California Prop 65 Warning
• 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

shipping cylindermotorcycleiz:

• carrier: FedEx
• transit: 5-9 Days
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• class: Standard

general cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

• credit card: Mastercard
• other
• wallet: Paypal

seller cylindermotorcycleiz:

• city: Elk Grove Village, Illinois
• # reviews: 699
• rating: 98.8%

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

• quantity: 11
• started: November 9, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True

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