Wiseco Forged Series Piston Kit with Gaskets - Yamaha YFM660R Raptor (2001-2005) - 100.00mm Bore (Standard) - ArmorGlide® - 4-Stroke
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- 30-day hassle-free returns
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Premium Wiseco Forged Series piston kit with ArmorGlide® coating for the legendary Yamaha YFM660R Raptor sport ATV. STANDARD BORE (100.00mm) - direct replacement!
✓ Fits:
- Yamaha YFM660R Raptor: 2001-2005
✓ Features:
- Forged Series - premium 2618 aluminum alloy
- ArmorGlide® Skirt Coating for reduced friction
- 11.0:1 compression ratio - sport-tuned
- Standard bore - no cylinder work required
- The legendary Raptor 660 sport ATV!
- Bore Size: 100.00 mm (Standard)
- Piston Diameter: 99.92 mm
- Stroke Length: 84.00 mm
- Compression Ratio: 11.0:1
- Material: 2618 Aluminum Alloy
- Skirt Coating: ArmorGlide®
- Displacement: 660cc
✓ What's Included:
- Forged Series Piston with ArmorGlide® Skirt Coating
- Ring Set
- Wrist Pin
- Wrist Pin Retainer Set
- Complete Gasket Kit
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.