Wiseco 6588M93 Pro Tru Sport Compact Forged Piston 93mm Bore Subaru EJ20

The Wiseco 6588M93 is a Pro Tru Sport Compact Series forged replacement piston engineered for the Subaru EJ20 engine, featuring a 93.00 mm bore, 32.65 mm compression height, and a 0.9055 in. (23.00 mm) pin diameter. Sold as an individual single piston, it is an ideal solution for builders replacing a single cylinder or building a custom set. The recommended ring set is 9300TX, and rings and pins are included.

Wiseco's Sport Compact Pro Tru line delivers exceptional value in forged pistons. These American-made pistons are forged and CNC-machined at Wiseco's Ohio facility using dedicated forgings specific to the final piston shape, resulting in components that are stronger and lighter than industry standards without the premium cost of full custom pistons.

Key Features:

• 93.00 mm bore — 32.65 mm compression height, 0.9055 in. pin diameter
• Forged construction — Dedicated forgings specific to final piston shape for maximum strength and reduced weight
• Plasma moly ring package included — Pre-gapped 1/16, 1/16, 3/16 rings for excellent seal, friction reduction, and long service life
• Pins included — Complete assembly-ready package
• Multiple compression ratio options — Available in a variety of volumes so builders can dial in the exact compression ratio for their specific build
• CNC machined — All machining performed on state-of-the-art CNC equipment for tight tolerances and consistency
• Made in the USA — Forged and machined by skilled craftsmen at Wiseco's Ohio facility
• Replacement/individual piston — Sold as a single piston; recommended ring set: 9300TX

Whether refreshing a worn bore or building a performance engine, the Wiseco Pro Tru Sport Compact piston delivers race-proven forged construction at an accessible price point for street and track applications.