Wiseco High-Performance Forged Piston Kit with Gaskets - KTM 520/525 SX/EXC (2000-2007) - 95.00mm Bore - HIGH COMPRESSION
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- 30-day hassle-free returns
- Call us: 541-668-7503
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Premium Wiseco forged piston kit with complete top-end gasket set for the legendary KTM 520 and 525 big bore thumpers. This is the HIGH COMPRESSION version with 12.5:1 compression ratio for maximum performance!
✓ Fits:
- 520 SX: 2000-2002
- 520 EXC: 2000-2002
- 520 EXC Racing 4-Stroke: 2000-2002
- 525 SX: 2003-2006
- 525 EXC: 2003-2007
- This is the HIGH COMPRESSION (12.5:1) kit.
✓ Features:
- Premium forged 2618 aluminum alloy construction
- Complete top-end gasket kit included
- High compression 12.5:1 ratio for maximum power
- Standard bore - direct OEM replacement dimensions
- Pistons, rings, wrist pins, and circlips for one complete engine
✓ What's Included:
- Wiseco Forged Piston (#4732M09500) - Premium 2618 aluminum alloy, high compression
- Ring Set (#9500ZS) - Wiseco performance rings
- Wrist Pin (#S641)
- Wrist Pin Retainer Set (#CW20)
- Top End Gasket Kit (#W5885) - Complete gasket set for top-end rebuild
Note: High compression - requires premium fuel
Note: Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
Note: Wiseco pistons can be fitted only with Wiseco rings
Note: Cylinder sleeves must be purchased separately if needed
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.
