KAWASAKI 49078-1213 Cylinder Head Valve Springs Intake Exhaust

( Manufacturer Part Number: 49078-1213 ), ( Type: Springs ), ( Machine Type: Street Motorcycle ), ( Country/region Of Manufacture: Japan )

Review KAWASAKI Cylinder Head Valve Springs Intake Exhaust fits NINJA ZX6R ZX636 2003–2006

Introducing the Kawasaki 49078-1213 Cylinder Head Valve Springs Kit for select 2003-2006 ZX6R and ZX636 Ninja models. This precision engineered component is designed to deliver optimal performance and reliability for your high-performance motorcycle.

The heart of this kit is the set of four titanium intake valve springs and four exhaust valve springs. These springs are meticulously crafted to provide superior strength, durability, and consistency compared to the original equipment. The use of titanium material ensures reduced weight, improved thermal conductivity, and enhanced resistance to fatigue. This translates to quicker valve response, better engine breathing, and a more powerful and efficient combustion process.

The intake valve springs feature a unique dual-compression design that ensures consistent valve control under high engine loads. This design also allows for increased valve lift, providing improved engine performance and response. The exhaust valve springs, on the other hand, are designed to handle the extreme heat and pressure inside the combustion chamber. Their robust construction and high spring rate ensure efficient exhaust gas flow, contributing to improved engine power and torque.

This Kawasaki cylinder head valve springs kit is a direct replacement for the OEM parts, ensuring a hassle-free installation process. Each spring is carefully packaged to protect against damage during shipping, and the kit includes all necessary hardware for installation.

Upgrading your motorcycle with these high-performance valve springs not only enhances power and torque but also improves overall engine responsiveness and durability. This kit is a must-have for riders who demand the best from their motorcycle and seek to extract maximum performance from their engine.

In summary, the Kawasaki 49078-1213 Cylinder Head Valve Springs Kit is a top-tier performance upgrade for 2003-2006 ZX6R and ZX636 Ninja models. This kit features lightweight, durable titanium valve springs designed to provide superior strength, consistent valve control, and improved engine performance. With quicker valve response, better engine breathing, and enhanced resistance to fatigue, these valve springs offer a significant return on investment for any serious motorcycle enthusiast.

Cylinder Head Valve Springs for Kawasaki Ninja ZX6R (2003-2006): A Comprehensive Analysis

- Upgraded valve springs can enhance engine performance by providing better control over valve movement, allowing for increased power and torque.

- Improved valve control may also lead to better fuel efficiency and smoother engine operation.

- High-performance aftermarket valve springs can withstand the increased pressure and temperature generated during high-performance riding or racing, extending the life of the engine.

- Some aftermarket springs may also resist the effects of engine detonation, a common issue with high-performance engines.

- Aftermarket cylinder head valve springs offer a wide range of options to tailor the performance of your engine to your specific needs, whether that be for track use, street riding, or daily commuting.

- Installing aftermarket cylinder head valve springs can be a complex process, requiring specialized tools and a high level of mechanical expertise.

- Upgrading the valve springs may also necessitate other modifications, such as adjusting the timing or fuel mapping, which can add to the cost and complexity of the project.

- Aftermarket cylinder head valve springs can be more expensive than OEM options, especially for high-performance brands or custom configurations.

- The cost of the springs themselves may be only a part of the total expense, as other associated parts and labor costs can also add up.

- Ensure that the aftermarket cylinder head valve springs you choose are compatible with your specific model and year of the Kawasaki Ninja ZX6R.

- In some cases, aftermarket springs may not be a direct replacement for the OEM parts and may require additional modifications or customization.

Upgrading the cylinder head valve springs on a Kawasaki Ninja ZX6R (2003-2006) can provide noticeable improvements in engine performance, durability, and customizability. However, the installation process can be complex and costly, and potential compatibility issues should be carefully considered before making a purchase.

If you are an enthusiast or racer seeking maximum performance from your Kawasaki Ninja ZX6R, upgrading the cylinder head valve springs may be a worthwhile investment. However, for casual street riders or those with limited mechanical expertise, the cost and complexity of the upgrade may outweigh the potential benefits. Instead, consider focusing on regular maintenance and OEM parts to ensure the longevity and reliability of your engine.

Details:

Ninja ZX-6R ZX636 2003 ,2004, 2005 ,2006. Part: Cylinder Head Valve Springs x16 OEM, Removed off of: 2005 ZX636 Ninja Box 1, Notes: Good used part showing normal wear. Shipping cost for all of us have gone up. Shipping outside of the continental USA is extra.

Ninja ZX-6RR 2003.

part #: 490781213 prices

• $15.51-$49.99

specifications scostarters:

• for models: Zx6r, Zx636, Ninja
• for makes: Kawasaki
• for years: 2003-2006
• mpn: 49078-1213
• type: Springs
• machine type: Street Motorcycle
• country/region of manufacture: Japan

returns scostarters:

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

payments scostarters:

• credit card: Discover
• wallet: Apple-pay
• other

seller scostarters:

• rating: 99.8%
• city: ana, California
• # reviews: 11219

offer scostarters:

• availability: In Stock
• sold: 0
• started: June 5, 2025
• options: Ship-to-home
• quantity: 1

shipping scostarters:

• cost: $14.99
• class: Standard
• carrier: UPS
• type: Fixed
• transit: 4-7 Days
• service: UPS Ground

general scostarters:

• condition: Used
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Starter Motors

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