Specifications
- Brand
- Athena
- Part #
- S4F086500010

Athena 99-04 Honda TRX 400 FourTrax F. 4X4 86.5mm Forged Racing Piston
$138.07
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Athena 99-04 Honda TRX 400 FourTrax F. 4X4 86.5mm Forged Racing Piston. Offers improved performance and reliability over stock.
Key Features
- Fits 1999-2004 Honda TRX 400 FourTrax 4x4.
- 86.5mm bore size.
- Forged construction from a special aluminum alloy with nickel and silica for improved strength and performance.
- Manufactured with advanced CNC machining for precise dimensions.
- Designed for reliable performance and greater resistance compared to OE pistons.
Product Details
This is the Athena 86.5mm forged racing piston for your 1999-2004 Honda TRX 400 FourTrax 4x4. If you're rebuilding the engine on your FourTrax, a good piston is key to getting it running strong again. This piston is made from a special aluminum alloy with nickel and silica, designed to handle the demands of off-road riding while maintaining reliability.
Athena uses advanced CNC machining to hold very tight tolerances, ensuring this piston fits precisely in your cylinder. The forged construction means it's strong and built to last, offering better resistance than a standard cast piston. The smooth profile helps with consistent fuel burn and performance.
Specifications
- Brand
- Athena
- Manufacturer Part #
- S4F086500010
Frequently Asked Questions
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Athena 99-04 Honda TRX 400 FourTrax F. 4X4 86.5mm Forged Racing Piston
