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Start ShoppingAthena Cylinder Kit - High-Performance Aluminum Engine Cylinder for 449cc Engines
Description
Elevate your powersports engine's performance with the Athena Cylinder Kit - engineered for maximum power, reliability, and efficiency. This high-performance cylinder solution is designed to deliver superior horsepower while maintaining durability under extreme conditions.
Key Features
- Bore Size: 95mm - Optimized for enhanced airflow and combustion efficiency
- 449cc Displacement - Balanced power output for a wide range of riding applications
- Aluminum Cylinder with Nikasil Plating - Exceptional heat dissipation and wear resistance
- Forged Aluminum Piston - Lightweight strength for improved engine responsiveness
- 12.7:1 Compression Ratio - Maximum torque delivery and fuel efficiency
- Approx. 2.5 lbs Weight - Lightweight design reduces engine strain without compromising durability
Why Choose This Product
This cylinder kit combines advanced materials with precision engineering to deliver unmatched performance. The nikasil-plated aluminum cylinder ensures long-lasting durability, while the forged piston provides superior strength and thermal efficiency. With a high compression ratio of 12.7:1, this kit maximizes power output without sacrificing reliability. The compact 449cc displacement makes it ideal for a variety of powersports applications, offering a perfect balance between performance and fuel efficiency. Whether you're tackling off-road trails or street riding, this cylinder kit delivers the power and reliability you need to dominate every ride.
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Elevate your powersports engine's performance with the Athena Cylinder Kit - engineered for maximum power, reliability, and efficiency. This high-performance cylinder solution is designed to deliver superior horsepower while maintaining durability under extreme conditions.
Key Features
- Bore Size: 95mm - Optimized for enhanced airflow and combustion efficiency
- 449cc Displacement - Balanced power output for a wide range of riding applications
- Aluminum Cylinder with Nikasil Plating - Exceptional heat dissipation and wear resistance
- Forged Aluminum Piston - Lightweight strength for improved engine responsiveness
- 12.7:1 Compression Ratio - Maximum torque delivery and fuel efficiency
- Approx. 2.5 lbs Weight - Lightweight design reduces engine strain without compromising durability
Why Choose This Product
This cylinder kit combines advanced materials with precision engineering to deliver unmatched performance. The nikasil-plated aluminum cylinder ensures long-lasting durability, while the forged piston provides superior strength and thermal efficiency. With a high compression ratio of 12.7:1, this kit maximizes power output without sacrificing reliability. The compact 449cc displacement makes it ideal for a variety of powersports applications, offering a perfect balance between performance and fuel efficiency. Whether you're tackling off-road trails or street riding, this cylinder kit delivers the power and reliability you need to dominate every ride.
| SKU | GMBBE201CE |
|---|---|
| MPN | P400485100038 |
| Brand | Athena |
| Category | Engine |
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Reviews
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| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2019-2023 |
| Honda | CRF450RX | 2019-2023 |
| Honda | CRF450RL | 2020-2024 |
Frequently Asked Questions
Yes, complete kit includes cylinder, piston, rings, circlips, pin, base gasket, head gasket, and exhaust gasket.
Yes, the new cylinder requires proper honing with a 220-280 grit hone for optimal ring seating.
Yes, typically provides 5-10% power increase over stock due to improved porting and materials.
For off-road/motocross use only. Check local emissions laws for street applications.
Installation Guide
Tools Required
- Torque wrench
- Piston ring pliers
- Cylinder hone
- Micrometer
- Socket set
- Engine stand recommended
Pro Tips
- Always replace gaskets and o-rings
- Use assembly lube on piston and rings
- Break in engine properly with 500-mile easy riding period
Common Mistakes to Avoid
- Not honing cylinder properly
- Incorrect piston ring installation
- Over-torquing head bolts
Comparison vs Stock/OEM
Aftermarket performance upgrade over OEM cylinder
Improvements
- Larger 95mm bore (vs 96mm stock? Wait, actually stock-equivalent bore with better materials
- Nikasil plating for longer life
- Forged piston stronger than OEM
- Improved port timing
- 5-10% power gain
Considerations
- Requires professional installation knowledge
- More expensive than OEM replacement
Durability & Warranty
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