JE Pistons 308475 Pro Series Piston Kit 97mm Bore 13:1 Compression KTM 450SX

The JE Pistons 308475 is a Pro Series forged piston kit engineered for high-performance powersports applications, specifically designed for KTM 450SX engines. This complete piston kit features a stock 97mm bore size with a 13:1 compression ratio, delivering optimal power and performance for demanding racing conditions.

Key Specifications:

• Bore Size: 97mm (stock bore)
• Compression Ratio: 13:1
• Engine Displacement: 449cc
• Piston Weight: 262 grams
• Material: 2618 aluminum forged construction for high tensile strength
• Skirt Style: FSR (Forged Side Relief)
• Piston Head Type: Dome with -1.2 cc's volume
• Wrist Pin Diameter: 0.748 inches

Pro Series Features:

• Proprietary FSR forging design minimizes friction and power loss with reduced skirt width
• Purpose-built forging designs reduce overall piston weight without sacrificing strength or durability
• Dedicated 2618 aluminum alloy forging specific to each engine application
• Engineered, forged and machined 100% in the USA

Kit Includes:

• JE forged piston
• Piston rings (Part # ZS9700)
• Wrist pin (Part # 748-050-MW)
• Wrist pin clips

JE Pistons has been the industry leader in forged racing pistons for over 70 years, trusted by top engine builders in professional racing including AMA Supercross. This Pro Series piston kit delivers race-proven performance and reliability for serious riders demanding the best from their KTM 450SX engine.