JE Pistons 261525S FSR Forged Piston - Single

JE Pistons 261525S is a high-performance forged piston from JE's industry-leading FSR (File-Fit Stock Replacement) or competition piston lineup. JE Pistons is one of the most trusted names in professional motorsports and high-performance engine building, with a long history of supplying top-tier forged pistons to racing teams and engine builders worldwide.

JE forged pistons are manufactured from premium 2618 or 4032 alloy aluminum depending on application, delivering superior strength, thermal stability, and dimensional consistency compared to cast OEM-style pistons. The "S" suffix in the part number indicates this is sold as a single piston, allowing builders to replace individual cylinders or build custom sets.

Key Features:

• High-strength forged aluminum construction for maximum durability under extreme cylinder pressures
• Precision CNC-machined to exacting tolerances for consistent ring seal and optimal performance
• Sold as a single piston ("S" suffix) for flexibility in engine builds
• Designed for high-performance, competition, or modified street engine applications
• Compatible with JE's full range of rings, pins, and clips for complete piston assembly
• Manufactured in the USA at JE Pistons' Mentor, Ohio facility

For full specifications including bore diameter, compression height, dome/dish volume, ring groove dimensions, and pin size, please refer to JE Pistons' official fitment guide or contact your engine builder. JE part numbers encode application-specific dimensions that ensure a precise fit for your engine build.