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Start ShoppingATHENA S4C05800001A Piston Kit - 95mm Bore Forged 4032 Aluminum High-Performance Motorcycle Engine Component
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Description
Elevate your motorcycle's engine performance with the ATHENA S4C05800001A Piston Kit, engineered for power, precision, and long-term reliability. This high-performance component set is built to deliver exceptional horsepower while maintaining optimal engine efficiency.
Key Features
- Forged 4032 Aluminum Alloy: Exceptional strength and heat resistance for extreme performance conditions.
- 95mm Bore Size: Optimized for high-revving engines with precise cylinder clearance.
- Moly Coating on Skirt: Reduces friction and wear for smoother operation and extended lifespan.
- 12.5:1 Compression Ratio: Maximizes combustion efficiency for increased power output.
- Complete Kit Includes: Piston, rings, wrist pin, and circlips for hassle-free installation.
Why Choose This Product
Whether you're racing or riding aggressively, this piston kit delivers unmatched durability and performance. The forged 4032 alloy withstands high temperatures and stress, while the moly-coated skirt ensures minimal friction during operation. With a 12.5:1 compression ratio, you'll experience improved throttle response and fuel efficiency. The comprehensive kit eliminates the need for separate purchases, saving time and ensuring perfect compatibility with your engine setup.
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Elevate your motorcycle's engine performance with the ATHENA S4C05800001A Piston Kit, engineered for power, precision, and long-term reliability. This high-performance component set is built to deliver exceptional horsepower while maintaining optimal engine efficiency.
Key Features
- Forged 4032 Aluminum Alloy: Exceptional strength and heat resistance for extreme performance conditions.
- 95mm Bore Size: Optimized for high-revving engines with precise cylinder clearance.
- Moly Coating on Skirt: Reduces friction and wear for smoother operation and extended lifespan.
- 12.5:1 Compression Ratio: Maximizes combustion efficiency for increased power output.
- Complete Kit Includes: Piston, rings, wrist pin, and circlips for hassle-free installation.
Why Choose This Product
Whether you're racing or riding aggressively, this piston kit delivers unmatched durability and performance. The forged 4032 alloy withstands high temperatures and stress, while the moly-coated skirt ensures minimal friction during operation. With a 12.5:1 compression ratio, you'll experience improved throttle response and fuel efficiency. The comprehensive kit eliminates the need for separate purchases, saving time and ensuring perfect compatibility with your engine setup.| SKU | GM60205C0E |
|---|---|
| MPN | S4C05800001A |
| Brand | Athena |
| Category | Piston kits & Components |
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Featured Review
| Make | Model | Years |
|---|---|---|
| KTM | 450 SX-F | 2019-2023 |
| KTM | 450 EXC-F | 2019-2023 |
| Husqvarna | FC 450 | 2019-2023 |
| Husqvarna | FE 450 | 2019-2023 |
Frequently Asked Questions
Light honing with #240 grit stones is recommended to ensure proper ring seating, even if cylinder is in good condition.
This is a standard bore 95mm replacement kit. Big bore kits increase displacement to 478cc or more.
Yes, direct OEM replacement with same dimensions, but verify your cylinder condition first.
Vary RPM for first 30 minutes, no full throttle. Change oil after 1 hour of riding.
Installation Guide
Difficulty
Hard
Est. Time
3 hr 0 min
Tools Required
- Piston ring pliers
- Torque wrench
- Micrometer
- Cylinder hone
- Socket set
- Feeler gauges
Pro Tips
- Measure ring end gaps before install
- Use assembly lube on piston and rings
- Follow 30-minute break-in procedure at half throttle
Common Mistakes to Avoid
- Installing rings in wrong order
- Not gapping rings correctly
- Overheating during break-in
Comparison vs Stock/OEM
Forged 4032 aluminum vs cast OEM piston - superior strength and heat resistance
Improvements
- Higher RPM capability
- Better durability under racing conditions
- Tighter tolerances
Considerations
- Requires proper break-in unlike some OEM pistons
Durability & Warranty
Expected Lifespan
40-60 hours racing / 100+ hours trail use
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect rings at every top end service (20-40 hours)
What Others Are Saying
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