Wiseco Forged Series Piston Kit with Gaskets - Polaris Sportsman 400 (1995 - 2003) - 84.00mm Bore (+1.00mm Oversize) - 2 - Stroke - Dune Goons

Wiseco Forged Series Piston Kit with Gaskets - Polaris Sportsman 400 (1995-2003) - 84.00mm Bore (+1.00mm Oversize) - 2-Stroke

$239.95
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Wiseco Forged Series Piston Kit with Gaskets - Polaris Sportsman 400 - +1.00mm Oversize

Premium Wiseco Forged Series piston kit for Polaris Sportsman 400 2-stroke utility ATV. +1.00mm OVERSIZE (84.00mm) for worn cylinders!

⚠️ Oversize Piston - Cylinder Boring Required

This piston is +1.00mm oversize. Cylinder boring to 84.00mm is required for proper fit.

Kit Includes

  • Forged Series Piston
  • Ring Set
  • Wrist Pin
  • Circlips
  • Wrist Pin Bearing
  • Complete Gasket Kit

Key Features

  • Forged Series - 4032 aluminum alloy
  • 2-STROKE Utility ATV
  • 9 YEARS of fitment (1995-2003)!

Piston Specifications

  • Bore Size: 84.00 mm (+1.00mm Oversize)
  • Piston Diameter: 83.92 mm
  • Stroke Length: 70.00 mm
  • Material: 4032 Aluminum Alloy
  • Skirt Coating: Non-Coated

Engine Specifications

  • Displacement: 400cc
  • Engine Type: 2-Stroke
  • Weight: 1.9 lbs

Fitment

  • Polaris Sportsman 400: 2001-2003
  • Polaris Sportsman 400L: 1997
  • Polaris Sportsman 400 4x4: 1995-1996

📦 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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