PHATHEAD RACING 85SX-105SX Cylinder Head Kit 85SX/105SX KTM-85 SX86 SX87

( Brand: Phathead Racing ), ( Manufacturer Part Number: 85SX/105SX ), ( Type: Cylinder Head Assembly ), ( Machine Type: Off-road Motorcycle ), ( Items Included: Gasket ), ( Vintage Part: No ), ( Performance Part: Yes )

Review PHATHEAD RACING 85sx/105sx Cylinder Head Kit fits 105SX 2018–2025

The PHATHEAD Racing 85SX/105SX cylinder head kit from KTM-85 is an excellent upgrade for riders seeking improved performance in their off-road bikes. Engineered for model years 2018-2025 for KTM SX85 and SX87 motorcycles, this kit emboldens your machine with stronger and more durable components designed to unleash the full potential hidden within the engine.

The core component of this kit is the lightweight and robust CNC-machined aluminum cylinder head. Sporting revised combustion chamber geometry, the PHATHEAD Racing head facilitates better overall engine efficiency. The additional companion parts include new valves, springs, titanium retainers, and heavy-duty valve guides. These components have been meticulously selected to optimize flow, power, and durability.

The PHATHEAD Racing 85SX/105SX cylinder head kit also comes with precision-ground races and sealed slide-on valves, which enhances sealing and eliminates the need for messy, time-consuming lapping. In addition, these heads feature high-performance porting for maximum gas flow and an advanced intake camshaft, enabling an upgrade on the jetting, delivering a broader powerband and quicker engine response for a smoother, more exhilarating riding experience.

This PHATHEAD Racing kit offers a direct bolt-on installation, making it an efficient and hassle-free upgrade. It's the perfect fit for riders who want to amp up their off-road machine's power output while simultaneously strengthening its overall performance and reliability. With this upgrade, you'll experience accelerated throttle response, increased horsepower, and a race-ready engine that is ready to conquer any terrain.

Boost your KTM SX85 or SX87 motorcycle's potential with the PHATHEAD Racing 85SX/105SX cylinder head kit. This upgrade brings your bike up a notch, helping you stay at the forefront of the racing scene with its advanced technology and exceptional power delivery.

Pros and Cons of Buying a Phathead Racing 85sx/105sx Cylinder Head Kit for KTM-85 (2018-2025 SX86 and SX87)

1. Increased Power: Phathead Racing cylinder heads are known for their ability to increase power output. The porting and flowing design of their heads can help improve combustion efficiency, thereby providing more power to the engine.

2. Improved Performance: The improved power delivery leads to overall better performance from your KTM 85. Faster acceleration, increased top speed, and better throttle response are some of the benefits of upgrading to a Phathead Racing cylinder head.

3. Durability: Phathead Racing cylinder heads are made from high-quality materials. The cylinder liners are made from Nikasil, which is a nickel-silicon alloy known for its exceptional durability and resistance to wear and tear.

4. Longevity: Upgrading to a Phathead Racing cylinder head can help extend the life of your engine. The improved combustion efficiency leads to less stress on the engine components and a reduction in wear and tear.

5. Customizability: Phathead Racing offers different cylinder head kits catering to various riding styles and applications. This allows riders to choose the one that best suits their needs.

1. Cost: Phathead Racing cylinder head kits can be quite expensive compared to OEM replacements. This is because of the high-quality materials and advanced manufacturing processes used in their production.

2. Installation Complexity: Installing a Phathead Racing cylinder head kit on your KTM 85 requires a high level of technical expertise. Removing the old head and installing the new one requires precise measurements and alignment.

3. Potential for Damage: The installation process can potentially be damaging if not done correctly. Misalignment or imperfections in the installation process can lead to engine damage.

4. Increased Noise Levels: Some riders have reported increased noise levels after installing a Phathead Racing cylinder head kit. This is a result of the increased power output and improved airflow.

5. Fuel Consumption: The increased power output can result in higher fuel consumption levels. Riders should be prepared to regularly refuel their bikes when upgrading to a Phathead Racing cylinder head kit.

The Phathead Racing 85sx/105sx cylinder head kit for KTM-85 is an excellent investment for riders looking to extract maximum performance from their bikes. The increased power output, improved performance, and durability make it a popular choice among enthusiasts. However, it also comes with some drawbacks, such as the high cost, installation complexity, potential for damage, increased noise levels, and higher fuel consumption.

If you are looking to upgrade your KTM 85 with a high-performance cylinder head and are willing to invest in the installation process or have access to a professional mechanic, then the Phathead Racing 85sx/105sx cylinder head kit is a great choice for you. However, if you're on a budget or prefer a more straightforward aftermarket upgrade, there are other options available in the market. Regardless of your choice, it's essential to follow all installation instructions carefully to ensure the best possible results.

Details:

UPS, FedEx, USPS, etc. Please, reach out to our team for further details. This cylinder head kit from Phathead Racing has only about an hour of run time and was used for Dino testing. This kit does come with the Cylinder Head, 100 octane combustion chamber, and 105 chamber.

Please, examine and verify the condition of items prior to use or installation.

part #: 85sx105sx prices

• $1050.00-$1150.00

specifications cylindermotorcycleiz:

• for years: 2018-2025
• brand: Phathead Racing
• mpn: 85sx/105sx
• type: Cylinder Head Assembly
• machine type: Off-road Motorcycle
• items included: Gasket
• vintage part: No
• performance part: Yes

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

• credit card: Visa
• wallet: Google-pay
• other

shipping cylindermotorcycleiz:

• class: Economy
• service: Economy
• transit: 4-8 Days
• cost: $9.95
• type: Fixed

offer cylindermotorcycleiz:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: January 30, 2025
• sold: 0

seller cylindermotorcycleiz:

• # reviews: 125
• rating: 100.0%
• city: Farmington, New Mexico

general cylindermotorcycleiz:

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

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