Wiseco Forged Piston Kit with Gaskets - KTM 85 SX / 105 SX (2003-2012) - 52.00mm Bore - 2-Stroke
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:
- 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.