JE Pistons 324726R Harley-Davidson Twin Cam 103 Piston Kit 3.875" Bore 10:1 Compression

The JE Pistons 324726R is a high-performance forged piston kit engineered specifically for Harley-Davidson Twin Cam 103 engines. This complete 2-cylinder kit features a stock 3.875-inch bore (98.43mm) with a 10.00:1 compression ratio, delivering enhanced power and durability for V-Twin applications.

Key Features:

• Forged from premium 2618 aluminum alloy for superior strength and heat resistance in high-performance applications
• Complete kit includes precision-matched pistons, premium wrist pins, carbon steel wire locks, and JE Pro Seal piston rings
• Proprietary Forged Side Relief (FSR) design minimizes friction and reduces weight with optimized skirt geometry
• Engineered, forged, and CNC-machined 100% in the USA to exacting tolerances
• Advanced skirt coating reduces piston slap and cold-start wear for quieter operation
• Designed specifically for Twin Cam 103 engines to provide optimal performance and reliability

Backed by over 75 years of racing piston expertise, JE Pistons delivers professional-grade components that withstand the demands of high-horsepower V-Twin engines. This kit provides everything needed for a complete piston upgrade on your Harley-Davidson Twin Cam 103.