JE Pistons 284772 Forged Piston Kit Harley Twin Cam Bore - 103 3.895 9.5 1

The JE Pistons 284772 is a high-performance forged piston kit designed specifically for Harley-Davidson Twin Cam 103 engines. Engineered with a 3.895-inch (98.93mm) bore and 9.5:1 compression ratio, this 2-cylinder piston kit delivers the perfect balance of reliability and performance for cruising, street riding, or demanding V-Twin applications.

Key Features:

• Forged from premium 2618 aluminum alloy for exceptional tensile strength and durability
• Designed and manufactured 100% in the USA with application-specific engineering
• 3.895-inch (98.93mm) bore diameter optimized for Twin Cam 103 engines
• 9.5:1 compression ratio for improved power and throttle response
• Complete kit includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Built to withstand extreme performance demands and high RPM operation

JE Pistons brings over 75 years of racing experience to every forged piston they produce. Each piston is specifically engineered for its intended application to provide optimal performance durability while minimizing weight. From powerful cruisers to all-out V-Twin drag racing, JE Pistons delivers proven performance with every twist of the throttle.