JE Pistons Harley-Davidson Twin Cam FSR 103in Piston Single

This is a single FSR piston from JE Pistons, specifically made for Harley-Davidson Twin Cam 103 cubic inch engines. If you're rebuilding or upgrading the top end of your Twin Cam, a well-built piston like this is crucial for reliable performance. JE Pistons is a well-known name in high-performance engine components, and this piston is designed to handle the demands of a performance engine build.

The FSR series pistons are forged, meaning they start as a solid block of aluminum that's heated and hammered into shape. This process creates a much stronger and more durable piston than cast or hypereutectic designs, making it ideal for engines that see regular use or are built for increased power. The specific design of this piston is intended to work with the Twin Cam 103 platform, ensuring it fits and functions correctly within the engine's cylinder. When installing, always refer to the manufacturer's instructions for proper ring gap, assembly, and break-in procedures to get the most out of your new pistons.