JE Pistons 325016S FSR Forged Piston - Set

The JE Pistons 325016S is a forged piston from JE's renowned FSR (Flat Side Relief) shelf-stock forged piston line, engineered for high-performance and racing applications. JE Pistons is one of the most respected names in competitive motorsports, producing pistons trusted by professional racers and serious performance builders worldwide.

Manufactured from 2618 or 4032 aluminum alloy (depending on application spec), JE's shelf-stock forged pistons deliver superior strength, reduced weight, and tighter tolerances compared to OEM cast pistons. The FSR design optimizes ring seal while managing thermal expansion for reliable performance under demanding conditions.

Key Features:

• High-strength forged aluminum construction for superior durability
• Precision CNC-machined to exacting tolerances
• FSR (Flat Side Relief) skirt design for improved ring seal and reduced friction
• Hard anodized top ring groove for extended service life
• Includes piston pin and wire locks (varies by kit configuration)
• Designed for performance street, track, and racing use
• Manufactured in the USA by JE Pistons

JE Pistons' shelf-stock forged pistons are a popular upgrade for engine builders seeking a drop-in performance solution with race-proven technology. For precise fitment, confirm bore size, stroke, and compression height specifications against your engine build requirements before ordering.