JE Pistons 284670S FSR Forged Piston - Set

JE Pistons 284670S is a forged piston set from JE Pistons' industry-leading FSR (File-Fit Sport Ring) lineup, engineered for high-performance and racing applications. JE Pistons has been a trusted manufacturer of forged pistons for motorsport, street performance, and engine building professionals for decades.

JE FSR pistons are precision-machined from 2618 or 4032 aluminum alloy forgings depending on application, offering exceptional strength, thermal stability, and reduced weight compared to cast alternatives. The file-fit ring design allows builders to precisely set ring end gaps to exacting tolerances for the intended application.

Key Features:

• Forged aluminum construction for superior strength and durability
• File-fit ring grooves for precise end-gap tuning
• CNC-machined to tight tolerances for consistent fitment
• Designed for high-performance and competition engine builds
• Includes full piston set (quantity as specified by application)
• Manufactured in the USA by JE Pistons

For exact bore diameter, compression height, compression ratio, and application fitment details, consult the JE Pistons product catalog or your engine builder. Always verify specifications match your engine build requirements before installation.