Your cart is empty
Start ShoppingAthena Cylinder Kit - High-Performance Aluminum Engine Cylinder for 449cc Engines
Fits your
May not fit your
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.
Delivery
Checking availability...
Estimated arrival
Order within to ship today
Orders ship
Shipping to
Enter your ZIP code for delivery estimate
Price Match Guarantee
Found it cheaper?
Log in to submit a price match request.
Price
Quantity
Purchasing is temporarily paused. You can still add items to your cart and check back soon.
Pay in 4 with
or
$0.00 x 4 interest-free
or
$0.00 x 4 interest-free
Free Shipping $100+
14-Day Returns
Secure Checkout
Price Match
Complete the Build
This item
$903.99
In Cart
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 |
0.0
0 reviews
0
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
Featured Review
| 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
Difficulty
Hard
Est. Time
3 hr 0 min
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
Expected Lifespan
100+ hours racing / 2-3 years recreational use
Warranty
2 years manufacturer defect warranty
Maintenance
Inspect rings at 50 hours, measure cylinder bore wear annually
What Others Are Saying
Reviews from across the web
