Wiseco High-Performance Forged Piston Kit with Gaskets - KTM 520/525 SX/EXC (2000-2007) - 95.00mm Bore

Wiseco High-Performance Forged Piston Kit with Gaskets - KTM 520 / 525 SX / EXC

Premium Wiseco forged piston kit with complete top-end gasket set for the legendary KTM 520 and 525 big bore thumpers. Everything you need for a professional top-end rebuild in one convenient package.

Kit Includes

• Wiseco Forged Piston (#4731M09500) - Premium 2618 aluminum alloy
• Ring Set (#7700XU) - Wiseco performance rings
• Wrist Pin (#S641)
• Wrist Pin Retainer Set (#CW16)
• Top End Gasket Kit (#W5885) - Complete gasket set for top-end rebuild

Key Features

• Premium forged 2618 aluminum alloy construction
• Complete top-end gasket kit included
• Moderate 11.0:1 compression ratio for reliability
• Standard bore - direct OEM replacement
• Pistons, rings, wrist pins, and circlips for one complete engine

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: 95.00 mm (Standard)
• Piston Diameter: 94.92 mm
• Stroke Length: 72.00 mm
• Compression Ratio: 11.0:1
• Material: 2618 Aluminum Alloy
• Skirt Coating: Non-Coated
• Style: Forged Series

Engine Specifications

• Displacement: 510cc
• Engine Type: 4-Stroke
• Weight: 1.8 lbs

Fitment

KTM 520:

• 520 SX: 2000-2002
• 520 EXC: 2000-2002
• 520 EXC Racing 4-Stroke: 2000-2002

KTM 525:

• 525 SX: 2003-2006
• 525 EXC: 2003-2007

Why Wiseco?

Wiseco is the gold standard in forged pistons. Their 2618 aluminum alloy pistons are designed for high-performance applications where strength and durability are critical. The KTM 520/525 RFS engine is legendary for its bulletproof reliability, and a Wiseco piston keeps it running strong!