Wiseco Forged Series Piston Kit with Gaskets - Honda TRX300 FourTrax (1988-2000) - 74.50mm Bore (+0.50mm Oversize) - 4-Stroke
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Wiseco Forged Series Piston Kit with Gaskets - Honda TRX300 FourTrax - +0.50mm Oversize
Premium Wiseco Forged Series piston kit with complete gasket set for Honda TRX300 FourTrax ATV. This is the +0.50mm OVERSIZE (74.50mm) kit for worn cylinders!
⚠️ Oversize Piston - Cylinder Work May Be Required
This piston is +0.50mm oversize. Cylinder boring to 74.50mm may be required for proper fit. Cylinder sleeves must be purchased separately if needed.
Kit Includes
- Forged Series Piston
- Ring Set
- Wrist Pin
- Wrist Pin Retainer Set
- Complete Gasket Kit
Key Features
- Forged Series - premium 2618 aluminum alloy construction
- 10.25:1 compression ratio
- Complete top-end gasket kit included
- Fits both 2WD and 4x4 TRX300 models
- 13 years of fitment (1988-2000)!
Piston Specifications
- Bore Size: 74.50 mm (+0.50mm Oversize)
- Piston Diameter: 74.45 mm
- Stroke Length: 65.50 mm
- Compression Ratio: 10.25:1
- Material: 2618 Aluminum Alloy
- Skirt Coating: Non-Coated
Engine Specifications
- Displacement: 282cc
- Engine Type: 4-Stroke
- Weight: 1.65 lbs
Fitment
- Honda TRX300 FourTrax: 1988-2000
- Honda TRX300FW FourTrax 4x4: 1988, 1990-2000
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
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