Description
Upgrade your Harley-Davidson Twin Cam 107 engine with the JE Pistons Piston Kit, Part #317212, engineered for superior performance and durability. Crafted with proprietary Forged Side Relief (FSR) forging design, these pistons reduce friction and power loss by minimizing skirt width, while a shorter wrist pin offers weight savings for enhanced engine responsiveness. Manufactured in the USA from high-quality 2618 aluminum, these pistons deliver high tensile strength essential for demanding performance applications, whether you’re cruising or racing. Each piston kit includes precision-machined components such as wrist pins, locks, and JE Pro Seal premium piston rings, ensuring seamless installation and reliable operation.
JE Pistons has over 75 years of experience leading the industry in forged racing pistons, specifically tailored for V-Twin and Harley-Davidson engines. Their pistons are carefully designed for each specific engine and application, maximizing performance and longevity. These pistons are ideal for riders seeking reliable, high-performance components that stand up to aggressive riding styles, from spirited cruising to competitive racing. The kit is built to meet the rigorous demands of powersports enthusiasts who value quality and performance.
Designed for easy installation, the JE Pistons Harley-Davidson Twin Cam 107 Piston Kit ensures your bike runs smoothly with improved power delivery and engine efficiency. Whether you’re restoring a vintage Harley or building a custom high-performance machine, this piston kit provides the reliability and power you need to elevate your riding experience. Trust JE Pistons’ legacy of innovation and quality for your next project or upgrade.
Features:
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss
- Manufactured in the USA from 2618 aluminum for high tensile strength
- Engineered specifically for Harley-Davidson Twin Cam 107 engines for optimized performance
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings


















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