Wiseco Forged Piston Kit with Gaskets - KTM 85 SX / 105 SX (2003-2012) - 52.00mm Bore - 2-Stroke
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Wiseco Forged Piston Kit with Gaskets - KTM 85 SX / 105 SX
Premium Wiseco forged 2-stroke piston kit with complete top-end gasket set for the KTM 85 SX and 105 SX. Features ArmorGlide® skirt coating for reduced friction and extended life. Everything you need for a professional top-end rebuild in one convenient package - perfect for junior racers!
✨ ArmorGlide® Skirt Coating
Unlike most 2-stroke pistons, this kit features Wiseco's premium ArmorGlide® skirt coating, which reduces friction, prevents scuffing, and extends piston life significantly.
Kit Includes
- Wiseco Forged Series Piston - Premium 4032 aluminum alloy with ArmorGlide®
- Ring Set - Wiseco performance rings
- Wrist Pin
- Circlips
- Wrist Pin Bearing
- Top End Gasket Set
Key Features
- Forged Series design for maximum strength and durability
- 4032 aluminum alloy construction - optimized for 2-stroke applications
- ArmorGlide® skirt coating for reduced friction
- Complete top-end gasket kit included
- Wrist pin bearing included - everything for a complete rebuild
- Standard bore - direct OEM replacement
Important Notes
- Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
- Wiseco pistons can be fitted only with Wiseco rings
- Cylinder sleeves must be purchased separately if needed
Piston Specifications
- Bore Size: 52.00 mm (Standard)
- Piston Diameter: 51.95 mm
- Stroke Length: 48.95 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlide®
- Style: Forged Series
Engine Specifications
- Displacement: 104cc
- Engine Type: 2-Stroke
- Weight: 0.85 lbs
Fitment
KTM 85 SX:
- 85 SX (17/14 wheel): 2003-2012
- 85 SX (19/16 wheel): 2005-2010
- 85 SX BW 19/16: 2003-2004, 2011-2012
KTM 105 SX:
- 105 SX: 2004-2011
Why Wiseco?
Wiseco is the gold standard in forged pistons. Their 4032 aluminum alloy pistons with ArmorGlide® coating are specifically designed for demanding 2-stroke applications. The KTM 85/105 SX is a serious racing platform, and this piston delivers the reliability junior racers need!
📦 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.
