Wiseco Forged Series Piston Kit with Gaskets - Honda TRX450 FourTrax Foreman (1998-2004) - 91.00mm Bore (+1.00mm Oversize) - 4-Stroke
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Wiseco Forged Series Piston Kit with Gaskets - Honda TRX450 Foreman - +1.00mm Oversize
Premium Wiseco Forged Series piston kit for Honda TRX450 FourTrax Foreman utility ATV. +1.00mm OVERSIZE (91.00mm) for worn cylinders!
⚠️ Oversize Piston - Cylinder Boring Required
This piston is +1.00mm oversize. Cylinder boring to 91.00mm is required for proper fit.
Kit Includes
- Forged Series Piston
- Ring Set
- Wrist Pin
- Wrist Pin Retainer Set
- Complete Gasket Kit
Key Features
- Forged Series - premium 2618 aluminum alloy
- 9.5:1 compression ratio - utility tuned
- Completes the TRX450 Foreman rebuild lineup
Piston Specifications
- Bore Size: 91.00 mm (+1.00mm Oversize)
- Piston Diameter: 90.92 mm
- Stroke Length: 68.00 mm
- Compression Ratio: 9.5:1
- Material: 2618 Aluminum Alloy
- Skirt Coating: Non-Coated
Engine Specifications
- Displacement: 432cc
- Engine Type: 4-Stroke
- Weight: 1.85 lbs
Fitment
- Honda TRX450FM FourTrax Foreman S: 1998-2004
- Honda TRX450FE FourTrax Foreman ES: 1998-2004
📦 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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