Honda TRX300 Piston Kit - Wiseco - 10.251 CR, 75.50 mm Bore - `88-`00 is a complete forged piston kit designed for Honda TRX300 models from 1988 to 2000. This Wiseco kit supplies the core hardware needed to refresh or rebuild the top end with a durable forged piston set.

Built from Wiseco's Forged Series materials, this piston kit is intended for 4-stroke ATV applications and engineered to withstand the stresses of regular trail or sport use. The kit includes the piston, wrist pin, rings, and circlips so you have the parts required for installation. The 75.50 mm bore and 10.251 compression ratio match the TRX300 specifications for compatible years and models, and the forged construction helps improve longevity under higher loads compared with standard cast pistons.

Features

• Forged piston material for improved strength and service life
• Complete kit: piston, wrist pin, rings, and circlips included
• 75.50 mm bore matched to TRX300 1988–2000 models
• 10.251 compression ratio specified for this application
• Manufactured by Wiseco for consistency and fitment

This Wiseco Honda TRX300 piston kit is a practical choice for enthusiasts rebuilding or modifying a TRX300 who want reliable, serviceable components without unnecessary extras. If you have questions about fitment, installation, or whether this compression ratio and bore size are right for your build, please call us directly. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) and 562-981-6800 (CA).

If you are thinking about purchasing multiple items you may want to contact us for shipping discounts. We install on premises at both locations.

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